自动化专业的发展历史论文中英文对照资料外文翻译文献
中国的机械自动化技术发展之路外文文献翻译、中英文翻译
外文资料China's machinery automation technology development road Automation technology in this century has been extremely rapid development and impact of one of the great science and technology. Modern automation technology is a completely new kind of productivity, create social wealth is a direct one of the major means of human activities and the production of material plays a great role in promoting. Therefore, automation technology by the extensive attention of all countries in the world and more and more applications.Machinery automation, mainly in machine manufacturing industry in the application of automation technology, to achieve the targets of processing for automated production, the optimal and effective automated production process, production inputs to accelerate the processing speed of transformation and mobility. Machinery automation technology and application development, technological transformation is the mechanical manufacturing industry, the primary means of technological progress and technological development, the main direction. Machinery automation technology standards, not only affect the development of the whole machinery industry, but also for national economic departments of the great technological progress has a direct impact on. Therefore, the development of China's machinery manufacturing automation technology, in line with the basic principles of socialism in our country, in line with China's laws governing the development of modern production. How the development of China's machinery automation technology, there are technical policy issues, should seek truth from facts, all from China's specific national condition, to fulfill all the basic work, taking China's machinery automation technology development.1. Combination of China's national conditions, the development of modern machinery automation technologyDomestic and foreign industrial development history tells us that the realization of automated machinery is a junior to senior, from simple to complex, from imperfect to improve the process of development. When the operation ofautomatic machine controller, the mode of production to gradually transition from mechanization to mechanical control automation,digital control automation, computer-controlled automation. Only by establishing an automated factory, the production process can be completelyautomated, can improve the overall productivity, to automate the senior ideal stage.2. with the actual production, focus on practical development of machinery automation technology.Advanced manufacturing technology is the essence of all applications. The development of machinery automation technology, enterprises should be the production and technological development and the actual needs of specific conditions as a guide. Only the right products in line with the use of automated production, to receive a good social and economic benefits and cost-effective technology. China's development machinery automation technology, in combination with reality, focus on practical, that is a real benefit to the national economy.3. Development of less investment and quick, low-cost automation technology The development of low-cost automation technology, great potential, broad prospects for investment and quick to raise the degree of automation, can receive the economic multiplier effect for our country's development needs and national conditions.Foreign low-cost development of machinery manufacturing automation technology experience is useful. China's machinery manufacturing enterprises have a great deal of common equipment, machinery automation in the development of modern technology, if the original equipment-based, rationally adjust the machine layout, add a small amount of CNC equipment, the introduction of CAD / CAM technology, give full play to computer Management of the advantages of automation and human creativity, together constitute a people-centred, as the guide to information automation, and establish autonomous unit of production systems for China's machinery manufacturing automation technology application development has provided a small investment, quick, effective , In line with China's national conditions of the machinery automation technology, new ways of development.4. basis do a good job, pay attention to supporting the development of machinery automation technologyModern automation technology in the manufacture of machinery is in control theory, under the guidance of the production logistics and the role of a comprehensive study, involving machinery technology, microelectronic technology, automatic control theory and computer technology. The development of machinery automation technology, must be themain concern electronics, computer technology, machine tool parts detection and automated loading, widely used procedures CNC machine tools, and the development of efficient and reliable automated production lines, used in the production of computer information systems and automation Control systems.The development of applications for machine automation technology, automation technology solid grasp of the basic work of the project and proceed from reality in the promotion and application of work, it is necessary to the development of host, but also supporting the development of components and automated control systems. Programmable logic controller, the microprocessor, various sensors, the new tool, control systems and system software, computers and other electronic machinery automation in the future will be the main technical basis.To sum up, China's machinery manufacturing development of automation technology, not only to the high starting point, aimed at advanced world standards, including the international field has showed Fengmang some of the new technology, and must include flexible low-cost, quick Automation technology, adhere to and improve the integration of the universal principleof China's machinery automation technology to the healthy development of applications on high-speed, high-quality and cost-effective way. No one in China to complete the plant will probably not the main machinery manufacturing development model nor the machinery automation technology, the development of applications for urgent matter. This is China's machinery automation technology development.中文翻译：中国的机械自动化技术发展之路自动化技术是本世纪以来发展极迅速和影响极大的科学技术之一。
自动化制造系统与PLC论文中英文资料外文翻译文献
中英文资料外文翻译文献外文原文Automating Manufacturing Systems with PLCs2.1 INTRODUCTIONControl engineering has evolved over time. In the past humans were the main method for controlling a system. More recently electricity has been used for control and early electrical control was based on relays. These relays allow power to be switched on and off without a mechanical switch. It is common to use relays to make simple logical control decisions. The development of low cost computer has brought the most recent revolution,the Programmable Logic Controller (PLC). The advent of the PLC began in the1970s, and has become the most common choice for manufacturing controls.PLCs have been gaining popularity on the factory floor and will probably remain predominant for some time to come. Most of this is because of the advantages they offer. • Cost effective for controlling complex systems.• Flexible and can be reapplied to control other systems quickly and easily.• Computational abilities allow more sophisticated control.• Tr ouble shooting aids make programming easier and reduce downtime.• Reliable components make these likely to operate for years before failure.2.1.1 Ladder logicLadder logic is the main programming method used for PLCs. As mentioned before, ladder logic has been developed to mimic relay logic. logic diagrams was a strategic one. By selecting ladder logic as the main programming method, the amount of retraining needed forengineers and trades people was greatly reduced.Modern control systems still include relays, but these are rarely used for logic. A relay is a simple device that uses a magnetic field to control a switch, as pictured in Figure 2.1. When a voltage is applied to the input coil, the resulting current creates a magnetic field. The magnetic field pulls a metal switch (or reed) towards it and the contacts touch, closing the switch. The contact that closes when the coil is energized is called normally open. The normally closed contacts touch when the input coil is not energized. Relays are normally drawn in schematic form using a circle to represent the input coil. The output contacts are shown with two parallel lines. Normally open contacts are shown as two lines, and will be open (non-conducting) when the input is not energized. Normally closed contacts are shown with two lines with a diagonal line through them. When the input coil is not energized the normally closed contacts will be closed (conducting).Figure 2.1 Simple Relay Layouts and SchematicsRelays are used to let one power source close a switch for another (often high current) power source, while keeping them isolated. An example of a relay in a simple control application is shown in Figure 2.2. In this system the first relay on the left is used as normally closed, and will allow current to flow until a voltage is applied to the input A. The second relay is normally open and will not allow current to flow until a voltage is applied to the input B. If current is flowing through the first two relays then current will flow through the coil in the third relay, and close the switch for output C. This circuit would normally be drawn in the ladder logic form. This can be read logically as C will be on if A is off and B is on.Figure 2.2 A Simple Relay ControllerThe example in Figure 2.2 does not show the entire control system, but only the logic. When we consider a PLC there are inputs, outputs, and the logic. Figure 2.3 shows a more complete representation of the PLC. Here there are two inputs from push buttons.We can imagine the inputs as activating 24V DC relay coils in the PLC. This in turn drives an output relay that switches 115V AC, that will turn on a light. Note, in actual PLCs inputs are never relays, but outputs are often relays. The ladder logic in the PLC is actually a computer program that the user can enter and change. Notice that both of the input push buttons are normally open, but the ladder logic inside the PLC has one normally open contact, and one normally closed contact. Do not think that the ladder logic in the PLC need so match the inputs or outputs. Many beginners will get caught trying to make the ladder logic match the input types.Figure 2.3 A PLC Illustrated With RelaysMany relays also have multiple outputs (throws) and this allows an output relay to also be an input simultaneously. The circuit shown in Figure 1.4 is an example of this, it is called a seal in circuit. In this circuit the current can flow through either branch of the circuit, through the contacts labelled A or B. The input B will only be on when the output B is on. If B is off, and A is energized, then B will turn on. If B turns on then the input B will turn on, and keep output B on even if input A goes off. After B is turned on the output B will not turn off.Figure 2.4 A Seal-in Circuit2.1.2 ProgrammingThe first PLCs were programmed with a technique that was based on relay logic wiring schematics. This eliminated the need to teach the electricians, technicians and engineers how to program a computer - but, this method has stuck and it is the most common technique for programming PLCs today. An example of ladder logic can be seen in Figure 2.5. To interpret this diagram imagine that the power is on the vertical line on the left hand side, we call this the hot rail. On the right hand side is the neutral rail. In the figure there are two rungs, and on each rung there are combinations of inputs (two vertical lines) and outputs (circles). If the inputs are opened or closed in the right combination the power can flow from the hot rail, through the inputs, to power the outputs, and finally to the neutral rail. An input can come from a sensor, switch, or any other type of sensor. An output will be some device outside the PLC that is switched on or off, such as lights or motors. In the top rung the contacts are normally open and normally closed. Which means if input A is on and input B is off, then power will flow through the output and activate it. Any other combination of input values will result in the output X being off.Figure 2.5 A Simple Ladder Logic DiagramThe second rung of Figure 2.5 is more complex, there are actually multiple combinations of inputs that will result in the output Y turning on. On the left most part of the rung, power could flow through the top if C is off and D is on. Power could also (and simultaneously) flow through the bottom if both E and F are true. This would get power half way across the rung, and then if G or H is true the power will be delivered to output Y. In later chapters we will examine how to interpret and construct these diagrams.There are other methods for programming PLCs. One of the earliest techniques involved mnemonic instructions. These instructions can be derived directly from the ladderlogic diagrams and entered into the PLC through a simple programming terminal. An example of mnemonics is shown in Figure 2.6. In this example the instructions are read one line at a time from top to bottom. The first line 00000 has the instruction LDN (input load and not) for input A. . This will examine the input to the PLC and if it is off it will remember a 1 (or true), if it is on it will remember a 0 (or false). The next line uses an LD (input load) statement to look at the input. If the input is off it remembers a 0, if the input is on it remembers a 1 (note: this is the reverse of the LD). The AND statement recalls the last two numbers remembered and if the are both true the result is a 1, otherwise the result is a 0. This result now replaces the two numbers that were recalled, and there is only one number remembered. The process is repeated for lines 00003 and 00004, but when these are done there are now three numbers remembered. The oldest number is from the AND, the newer numbers are from the two LD instructions. The AND in line 00005 combines the results from the last LD instructions and now there are two numbers remembered. The OR instruction takes the two numbers now remaining and if either one is a 1 the result is a 1, otherwise the result is a 0. This result replaces the two numbers, and there is now a single number there. The last instruction is the ST (store output) that will look at the last value stored and if it is 1, the output will be turned on, if it is 0 the output will be turned off.Figure 2.6 An Example of a Mnemonic Program and Equivalent Ladder LogicThe ladder logic program in Figure 2.6, is equivalent to the mnemonic program. Even ifyou have programmed a PLC with ladder logic, it will be converted to mnemonic form before being used by the PLC. In the past mnemonic programming was the most common, but now it is uncommon for users to even see mnemonic programs.Sequential Function Charts (SFCs) have been developed to accommodate the programming of more advanced systems. These are similar to flowcharts, but much more powerful. The example seen in Figure 2.7 is doing two different things. To read the chart, start at the top where is says start. Below this there is the double horizontal line that says follow both paths. As a result the PLC will start to follow the branch on the left and right hand sides separately and simultaneously. On the left there are two functions the first one is the power up function. This function will run until it decides it is done, and the power down function will come after. On the right hand side is the flash function, this will run until it is done. These functions look unexplained, but each function, such as power up will be a small ladder logic program. This method is much different from flowcharts because it does not have to follow a single path through the flowchart..Figure 2.7 An Example of a Sequential Function CharStructured Text programming has been developed as a more modern programming language. It is quite similar to languages such as BASIC. A simple example is shown in Figure 2.8. This example uses a PLC memory location i. This memory location is for an integer, as will be explained later in the book. The first line of the program sets the value to 0. The next line begins a loop, and will be where the loop returns to. The next line recalls thevalue in location i, adds 1 to it and returns it to the same location. The next line checks to see if the loop should quit. If i is greater than or equal to 10, then the loop will quit, otherwise the computer will go back up to the REPEAT statement continue from there. Each time the program goes through this loop i will increase by 1 until the value reaches 10.Figure 2.8 An Example of a Structured Text Program2.1.3 PLC ConnectionsWhen a process is controlled by a PLC it uses inputs from sensors to make decisions and update outputs to drive actuators, as shown in Figure 2.9. The process is a real process that will change over time. Actuators will drive the system to new states (or modes of operation). This means that the controller is limited by the sensors available, if an input is not available, the controller will have no way to detect a condition.Figure 2.9 The Separation of Controller and ProcessThe control loop is a continuous cycle of the PLC reading inputs, solving the ladder logic, and then changing the outputs. Like any computer this does not happen instantly. Figure 2.10 shows the basic operation cycle of a PLC. When power is turned on initially the PLC does a quick sanity check to ensure that the hardware is working properly.If there is a problem the PLC will halt and indicate there is an error. For example, if the PLC power is dropping andabout to go off this will result in one type of fault. If the PLC passes the sanity check it will then scan (read) all the inputs. After the inputs values are stored in memory the ladder logic will be scanned (solved) using the stored values not the current values. This is done to prevent logic problems when inputs change during the ladder logic scan. When the ladder logic scan is complete the outputs will be scanned (the output values will be changed). After this the system goes back to do a sanity check, and the loop continues indefinitely. Unlike normal computers, the entire program will be run every scan. Typical times for each of the stages is in the order of milliseconds.Figure 2.10 The Scan Cycle of a PLC2.1.4 Ladder Logic InputsPLC inputs are easily represented in ladder logic. In Figure 2.11 there are three types of inputs shown. The first two are normally open and normally closed inputs, discussed previously. The IIT (Immediate InpuT) function allows inputs to be read after the input scan, while the ladder logic is being scanned. This allows ladder logic to examine input values more often than once every cycle.Figure 2.11 Ladder Logic Inputs2.1.5 Ladder Logic OutputsIn ladder logic there are multiple types of outputs, but these are not consistently available on all PLCs. Some of the outputs will be externally connected to devices outside the PLC, but it is also possible to use internal memory locations in the PLC. Six types of outputs are shown in Figure 2.12. The first is a normal output, when energized the output will turn on, and energize an output. The circle with a diagonal line through is a normally on output. When energized the output will turn off. This type of output is not available on all PLC types. When initially energized the OSR (One Shot Relay) instruction will turn on for one scan, but then be off for all scans after, until it is turned off. The L (latch) and U (unlatch) instructions can be used to lock outputs on. When an L output is energized the output will turn on indefinitely, even when the output coil is deenergized. The output can only be turned off using a U output. The last instruction is the IOT (Immediate OutpuT) The last instruction is the IOT (Immediate OutpuT)that will allow outputs to be updated without having to wait for the ladder logic scan to be completed.3.1 INPUTS AND OUTPUTSInputs to, and outputs from, a PLC are necessary to monitor and control a process. Both inputs and outputs can be categorized into two basic types: logical or continuous. Considerthe example of a light bulb. If it can only be turned on or off, it is logical control. If the light can be dimmed to different levels, it is continuous. Continuous values seem more intuitive, but logical values are preferred because they allow more certainty, and simplify control. As a result most controls applications (and PLCs) use logical inputs and outputs for most applications. Hence, we will discuss logical I/O and leave continuous I/O for later.Outputs to actuators allow a PLC to cause something to happen in a process. A short list of popular actuators is given below in order of relative popularity.Solenoid Valves - logical outputs that can switch a hydraulic or pneumatic flow. Lights - logical outputs that can often be powered directly from PLC output boards.Motor Starters - motors often draw a large amount of current when started, so they require motor starters, which are basically large relays.Servo Motors - a continuous output from the PLC can command a variable speed or position.Outputs from PLCs are often relays, but they can also be solid state electronics such as transistors for DC outputs or Triacs for AC outputs. Continuous outputs require special output cards with digital to analog converters.Inputs come from sensors that translate physical phenomena into electrical signals. Typical examples of sensors are listed below in relative order of popularity.Proximity Switches - use inductance, capacitance or light to detect an object logically. Switches - mechanical mechanisms will open or close electrical contacts for a logical signal. Potentiometer - measures angular positions continuously, using resistance.LVDT (linear variable differential transformer) - measures linear displacement continuously using magnetic coupling.Inputs for a PLC come in a few basic varieties, the simplest are AC and DC inputs. Sourcing and sinking inputs are also popular. This output method dictates that a device does not supply any power. Instead, the device only switches current on or off, like a simple switch. Sinking - When active the output allows current to flow to a common ground. This is best selected when different voltages are supplied. Sourcing - When active, current flows from asupply, through the output device and to ground. This method is best used when all devices use a single supply voltage. This is also referred to as NPN (sinking) and PNP (sourcing). PNP is more popular. This will be covered in detail in the chapter on sensors.3.1.1 InputsIn smaller PLCs the inputs are normally built in and are specified when purchasing the PLC. For larger PLCs the inputs are purchased as modules, or cards, with 8 or 16 inputs of the same type on each card. For discussion purposes we will discuss all inputs as if they have been purchased as cards. The list below shows typical ranges for input voltages, and is roughly in order of popularity. PLC input cards rarely supply power, this means that an external power supply is needed to supply power for the inputs and sensors. The example in Figure 3.1 shows how to connect an AC input card.Figure 3.1 An AC Input Card and Ladder LogicIn the example there are two inputs, one is a normally open push button, and the second is a temperature switch, or thermal relay. (NOTE: These symbols are standard and will be discussed later in this chapter.) Both of the switches are powered by the positive/ hot output ofthe 24Vac power supply - this is like the positive terminal on a DC supply. Power is supplied to the left side of both of the switches. When the switches are open there is no voltage passed to the input card. If either of the switches are closed power will be supplied to the input card. In this case inputs 1 and 3 are used - notice that the inputs start at 0. The input card compares these voltages to the common. If the input voltage is within a given tolerance range the inputs will switch on. Ladder logic is shown in the figure for the inputs. Here it uses Allen Bradley notation for PLC-5 racks. At the top is the location of the input card I:013 which indicates that the card is an Input card in rack 01 in slot 3. The input number on the card is shown below the contact as 01 and 03.Many beginners become confused about where connections are needed in the circuit above. The key word to remember is circuit, which means that there is a full loop that the voltage must be able to follow. In Figure 3.1 we can start following the circuit (loop) at the power supply. The path goes through the switches, through the input card, and back to the power supply where it flows back through to the start. In a full PLC implementation there will be many circuits that must each be complete. A second important concept is the common. Here the neutral on the power supply is the common, or reference voltage. In effect we have chosen this to be our 0V reference, and all other voltages are measured relative to it. If we had a second power supply, we would also need to connect the neutral so that both neutrals would be connected to the same common. Often common and ground will be confused. The common is a reference, or datum voltage that is used for 0V, but the ground is used to prevent shocks and damage to equipment. The ground is connected under a building to a metal pipe or grid in the ground. This is connected to the electrical system of a building, to the power outlets, where the metal cases of electrical equipment are connected. When power flows through the ground it is bad. Unfortunately many engineers, and manufacturers mix up ground and common. It is very common to find a power supply with the ground and common mislabeled.One final concept that tends to trap beginners is that each input card is isolated. This means that if you have connected a common to only one card, then the other cards are not connected. When this happens the other cards will not work properly. You must connect acommon for each of the output cards.3.1.2.Output ModulesAs with input modules, output modules rarely supply any power, but instead act as switches. External power supplies are connected to the output card and the card will switch the power on or off for each output. Typical output voltages are listed below, and roughly ordered by popularity.120 Vac24 Vdc12-48 Vac12-48 Vdc5Vdc (TTL)230 VacThese cards typically have 8 to 16 outputs of the same type and can be purchased with different current ratings. A common choice when purchasing output cards is relays, transistors or triacs. Relays are the most flexible output devices. They are capable of switching both AC and DC outputs. But, they are slower (about 10ms switching is typical), they are bulkier, they cost more, and they will wear out after millions of cycles. Relay outputs are often called dry contacts. Transistors are limited to DC outputs, and Triacs are limited to AC outputs. Transistor and triac outputs are called switched outputs. Dry contacts - a separate relay is dedicated to each output.This allows mixed voltages (AC or DC and voltage levels up to the maximum), as well as isolated outputs to protect other outputs and the PLC. Response times are often greater than 10ms. This method is the least sensitive to voltage variations and spikes. Switched outputs - a voltage is supplied to the PLC card, and the card switches it to different outputs using solid state circuitry (transistors, triacs, etc.) Triacs are well suited to AC devices requiring less than 1A. Transistor outputs use NPN or PNP transistors up to 1A typically. Their response time is well under 1ms.中文翻译自动化制造系统与PLC2．1介绍控制工程随着时间的推移在不断发展。
电气工程及其自动化专业_外文文献_英文文献_外文翻译_plc方面.
1、外文原文A: Fundamentals of Single-chip MicrocomputerTh e si ng le -c hi p m ic ro co mp ut er i s t he c ul mi na ti on of both t h e de ve lo pm en t of the dig it al com pu te r an d th e in te gr at ed c i rc ui t arg ua bl y t h e tow m os t s ig ni f ic an t i nv en ti on s o f t he 20th c e nt ur y [1].Th es e tow type s of arch it ec tu re are foun d in sin g le -ch i p m i cr oc om pu te r. Som e empl oy the spli t prog ra m/da ta me mo ry of the H a rv ar d ar ch it ect u re , sh ow n in Fig.3-5A -1, oth ers fo ll ow the p h il os op hy , wi del y ada pt ed for gen er al -p ur po se com pu te rs and m i cr op ro ce ss o r s, o f ma ki ng no log i ca l di st in ct ion be tw ee n p r og ra m and dat a me mo ry as in the Pr in ce to n arch ite c tu re , show n i n Fig.3-5A-2.In gen er al ter ms a sin gl e -chi p mic ro co mp ut er i sc h ar ac te ri zed b y t he i nc or po ra ti on of a ll t he un it s of a co mp uter i n to a sin gl e d ev i ce , as sho wn inFi g3-5A -3.Fig.3-5A-1 A Harvard typeFig.3-5A-2. A conventional Princeton computerFig3-5A-3. Principal features of a microcomputerRead only memory (ROM.R OM is usua ll y for the pe rm an ent,n o n-vo la ti le stor a ge of an app lic a ti on s pr og ra m .M an ym i cr oc om pu te rs and m are inte nd e d for high -v ol um e ap pl ic at ions a n d he nc e t h e eco n om ic al man uf act u re of th e de vic e s re qu ir es t h at t he cont en t s o f t he prog ra m me m or y be co mm it t ed perm a ne ntly d u ri ng the man ufa c tu re of ch ip s .Cl ea rl y, thi s im pl ie s a r i go ro us app ro ach to ROM cod e deve l op me nt sin ce cha ng es can not b e mad e afte r manu f a c tu re .Th is dev e lo pm en t proc ess may invo lv e e m ul at io n us in g aso ph is ti ca te d de ve lo pm en t sy ste m wit h a h a rd wa re emu la tio n cap ab il it y as w el l as the use o f po we rf ul s o ft wa re too ls.So me man uf act u re rs pro vi de add it io na l RO M opt i on s by i n cl ud in g in their ra n ge dev ic es wit h (or int en de d fo r use wit h u s er pro gr am ma ble me mo ry. Th e sim p le st of th es e is usu al ly d e vi ce whi ch can op er at e in a micro p ro ce ssor mod e by usi ng som e o f the inp ut /outp u t li ne s as an ad dr es s an d da ta b us fora c ce ss in g ex te rna l mem or y. Thi s t y pe of de vi ce can beh av ef u nc ti on al ly as th e sing le chip mi cr oc om pu te r from whi ch it is d e ri ve d al be it wit h re st ri ct ed I/O and a mod if ied ex te rn al c i rc ui t. The use of thes e d ev ic es is com mo n eve n in prod uc ti on c i rc ui ts wher e t he vo lu me does no tj us ti f y t h e d ev el o pm en t c osts o f c us to m o n -ch i p R OM [2];t he re c a n s ti ll bea s ignif i ca nt saving i n I /O and o th er c h ip s com pa re d to a conv en ti on al mi c ro pr oc es sor b a se d ci rc ui t. Mor e ex ac t re pl ace m en t fo r RO M dev i ce s ca n be o b ta in ed in th e fo rm of va ri an ts w it h 'p ig gy -b ack 'E P RO M(Er as ab le pro gr am ma bl e ROM s oc ke ts or dev ic e s with EPROM i n st ea d o f RO M 。
(自动化专业)毕业论文文献翻译中英文对照
(自动化专业)毕业论文文献翻译中英文对照毕业设计外文资料翻译题目可编程控制器技术讨论与未来发展专业电气工程及其自动化PLC technique discussion and future developmentK. Begain, M. ErmelChair for Telecommunications, Dresden University of Technology,01062 Dresden, GermanyAbstract: Programmable Logic Controllers (PLC), a computing device invented by Richard E.Morley in 1968, have been widely used in industry including manufacturing systems, transportation systems, chemical process facilities, and many others. At that time, the PLC placed the hardwired logic with soft-wired logic or so-called relay ladder logic(RLL), a programming language visually resembling the hardwired logic, and reduced thereby the configuration time from 6 months down to 6 days [Moody and Morley,1999].Although PC based control has started to come into place, PLC based control will remain the technique to which the majority of industrial applications will adhere due to its higher performance, lower price, and superior reliability in harsh environments. Moreover, according to a study on the PLC market of Frost and Sullivan [1995], an increase of the annual sales volume to 15 million PLCs per year with the hardware value of more than 8 billion US dollars has been predicted, though the prices of computing hardware is steadily dropping. The inventor of the PLC, Richard E Morley, fairly considers the PLC market as a 5-billion industry at the present time.Key Words：PLC ，performance ，market1 IntroductionAlong with the development of the ages, the technique that is nowadays is also gradually perfect, the competition plays more more strong; the operation that list depends the artificial has already can't satisfied with the current manufacturing industry foreground, also can't guarantee the request of the higher quantity and high new the image of the technique business enterprise.The people see in produce practice, automate brought the tremendous convenience and the product quantities for people up of assurance, also eased the personnel's labor strength, reduce the establishment on the personnel. The target control of the hard realization in many complicated production lines, whole and excellent turn, the best decision etc., well-trained operation work, technical personnel or expert, governor but can judge and operate easily, can acquire the satisfied result. The research target of the artificial intelligence makes use of the calculator exactly to carry out, imitate these intelligences behavior, moderating the work through person's brain and calculators, with the mode that person's machine combine, for resolve the very complicated problem to look for the best pathWe come in sight of the control that links after the electric appliances in various situation, that is already the that time generation past, now of after use in the mold a perhaps simple equipments of grass-roots control that the electric appliances can do for the low level only;And the PLC emergence also became the epoch-making topic, adding the vivid software control through a very and stable hardware, making the automation head for the new high tide.2 PLC characteristics and containment2.1 The PLC biggest characteristicsThe PLC biggest characteristics lie in: The electrical engineering teacher already no longer electric hardware up too many calculationses of cost, as long as order the importation that the button switch or the importation of the sensors order to link the PLC up can solve problem, pass to output to order the conjunction contact machine or control the start equipments of the big power after the electric appliances, but the exportation equipments direct conjunction of the small power can.Figure 1. Open frame PLC2.2 PLC internal containmentPLC internal containment have CPU, and take to have an I/ O for expand of exterior to connect a people's address and saving machine three big pieces to constitute, CPU core is from an or many is tired to add the machine to constitute, mathematics that they have the logic operation ability, and can read the procedure save the contents of the machine to drive the homologous saving machine and I/ Os to connect after pass the calculation; The I/ O add inner part is tired the input and output system of the machine and exterior link, and deposit the related data into the procedure saving machine or data saving machine; The saving machine can deposit the data that the I/ O input in the saving machine, and in work adjusting to become tired to add the machine and I/ Os to connect, saving machine separately saving machine RAM of the procedure saving machine ROM and datas, the ROM can can do deposit of the data permanence in the saving machine, but RAM only for the CPU computes the temporary calculation usage of hour of buffer space.Figure 2. PLC input and output circuits2.3 PLC advantageThe PLC anti- interference is very and excellent, our root need not concern its service life and the work situation bad, these all problems have already no longer become the topic that we fail, but stay to our is a concern to come to internal resources of make use of the PLC to strengthen the control ability of the equipments for us, make our equipments more gentle.PLC language is not we imagine of edit collected materials the language or language of Cs to carry on weaving the distance, but the trapezoid diagram that the adoption is original after the electric appliances to control, make the electrical engineering teacher while weaving to write the procedure very easy comprehended the PLC language, and a lot of non- electricity professional also very quickly know and go deep into to the PLC.3 HMIIs PLC one of the advantage above and only, this is also one part that the people comprehend more and easily, in a lot of equipmentses, the people have already no longer hoped to see too many control buttons, they damage not only and easily and produce the artificial error easiest, small is not a main error perhaps you can still accept; But lead even is a fatal error greatly is what we can't is tolerant of. New technique always for bringing more safe and convenient operation for us, make we a lot of problems for face on sweep but light, do you understand the HMI? Says the HMI here you basically not clear what it is, also have no interest understanding, change one inside text explains it into the touch to hold or man-machine interface you knew, it combines with the PLC to our larger space.HMI the control not only only is reduced the control press button, increase the vivid of the control, more main of it is can sequence of, and at can the change data input to output the feedback with data, control in the temperature curve of imitate but also can keep the manifestation of view to come out. And can write the function help procedure through a plait to provide the help of various what lies in one's power, the one who make operate reduces the otiose error. Currently the HMI factory is also more and more, the function is also more and more strong, the price is also more and more low, the noodles of the usage are wide more and more. The HMI foreground can say that think ° to be good very.4 PLC correspondence and data transmissionAt a lot of situations, the list is is a smooth movement that can't guarantee theequipments by the control of the single machine, but pass the information exchanges of the equipments and equipments to attain the result that we want. For example fore pack and the examination of the empress work preface, we will arrive wrapping information feedback to examine the place, and examine the information of the place to also want the feedback to packing. Pass the information share thus to make both the chain connect, becoming a total body, the match of your that thus make is more close, at each other attain to reflect the result that mutually flick.The PLC correspondence has already come more more body now its value, at the PLC and correspondence between PLCs, can pass the communication of the information and the share of the datas to guarantee that of the equipments moderates mutually, the result that arrive already to repair with each other. Data conversion the adoption RS232 between PLC connect to come to the transmission data, but the RS232 pick up a people and can guarantee 10 meters only of deliver the distance, if in the distance of 1000 meters we can pass the RS485 to carry on the correspondence, the longer distance can pass the MODEL only to carry on deliver.The PLC data transmission is just to be called a form to it in a piece of and continuous address that the data of the inner part delivers the other party, we, the PLC of the other party passes to read data in the watch to carry on the operation. If the data that data in the watch is a to establish generally, that is just the general data transmission, for example today of oil price rise, I want to deliver the price of the oil price to lose the oil ally on board, that is the share of the data; But take data in the watch for an instruction procedure that controls the PLC, that had the difficulty very much, for example you have to control one pedestal robot to press the action work that you imagine, you will draw up for it the form that a procedure combine with the data sends out to pass by.Figure 3. PLC connection with experiments board.4.1 Form of information transmission4.1.1 Simplex and DuplexThe form that information transport contain Simplex, the Half duplex and the Full duplex.The meaning of the Simplex also is to say both, a can send out only, but a can receive only, for example a spy he can receive the designation of the superior only, but can't give the superior reply; Half duplex is also 2 and can can send out similar to accept the data, but can't send out and accept at the same time, for example when you make a phone call is to can't answer the phone, the other party also; But the Half duplex is both can send out and accept the data, and can send out and accept at the same time. Be like the Internet is a typical example.4.1.2 Synchronous and AsynchronousThe process that information transport also has synchronous and asynchronous: The data line and the clock lines are synchronous when synchronous meaning lie in sending out the data, is also the data signal and the clock signals to be carry on by the CPU to send out at the same time, this needs to all want the specialized clock signal each other to carry on the transmission and connect to send, and is constrained, the characteristics of this kind of method lies in its speed very quick, but correspond work time of take up the CPU and also want to be long oppositely, at the same time the technique difficulty also very big. Itsrequest lies in can'ting have an error margins in a datas deliver, otherwise the whole pieceaccording to compare the occurrence mistake, this on the hardware is a bigger difficulty. Applied more and more extensive in some appropriative equipmentses, be like the appropriative medical treatment equipments, the numerical signal equipments...etc., in compare the one data deliver, its result is very good.And asynchronous is an application the most extensive, this receive benefit in it of technique difficulty is opposite and want to be small, at the same time not need to prepare the specialized clock signal, its characteristics to lie in, its data is partition, the long-lost send out and accept, be the CPU is too busy of time can grind to a stop sex to work, also reduced the difficulty on the hardware, the data throw to lose at the same time opposite want to be little, we can pass the examination of the data to observe whether the data that we send out has the mistake or not, be like strange accidentally the method, tired addition and eight efficacies method etc., can use to helps whether the data that we examine to send out have or not the mistake occurrence, pass the feedback to carry on the discriminator.4.1.3 Parallel and SerialA line of transmission of the information contain a string of and combine the cent of: The usual PLC is 8 machines, certainly also having 16 machines. We can be an at the time of sending out the data a send out to the other party, also can be 88 send out the data to the other party, an and 8 differentiationses are also the as that we say to send out the data and combine sends out the data. A speed is more and slowly, but as long as 2 or three lines can solve problem, and can use the telephone line to carry on the long range control. But combine the oscular transmission speed is very quick of, it is a string of oscular of 25600%, occupy the advantage in the short distance, the in view of the fact TTL electricity is even, being limited by the scope of one meter generally, it combine unwell used for the data transmission of the long pull, thus the cost is too expensive.Under a lot of circumstances we are total to like to adopt the string to combine the conversion chip to carry on deliver, under this kind of circumstance not need us to carry on to depositted the machine to establish too and complicatedly, but carry on the data exchanges through the data transmission instruction directly, but is not a very viable way in the correspondence, because the PLC of the other party must has been wait for your data exportation at the time of sending out the data, it can't do other works.4.2 InterruptWhen you are reading the book, you hear someone knock on door, you stop to start up of affair, open the door and combine to continue with the one who knock on door a dialogue, the telephone of this time rang, you signal hint to connect a telephone, afterconnecting the telephone through, return overdo come together knock on door to have a conversation, after dialogue complete, you continue again to see your book, this kind of circumstance we are called the interruption to it, it has the authority, also having sex of have the initiative, the PLC had such function .Its characteristics lie in us and may meet the urgently abrupt affairs in the operation process of the equipments, we want to stop to start immediately up of work, the whereabouts manages the more important affair, this kind of circumstance is we usually meet of, PLC while carry out urgent mission, total will keep the current appearance first, for example the address of the procedure, CPU of tired add the machine data etc., be like to to stick down which the book that we see is when we open the door the page or simply make a mark, because we treat and would still need to continue immediately after book of see the behind. The CPU always does the affair that should do according to our will, but your mistake of give it an affair, it also would be same to do, this we must notice.The interruption is not only a, sometimes existing jointly with the hour several inside break, break off to have the preferred Class, they will carry out the interruption of the higher Class according to person's request. This kind of breaks off the medium interruption to also became to break off the set. The Class that certainly break off is relevant according to various resources of CPU with internal PLC, also following a heap of capacity size of also relevant fasten.The contents that break off has a lot of kinds, for example the exterior break off, correspondence in of send out and accept the interruption and settle and the clock that count break off, still have the WDT to reset the interruption etc., they enriched the CPU to respond to the category while handle various business. Speak thus perhaps you can't comprehend the internal structure and operation orders of the interruption completely also, we do a very small example to explain.4.3 Emergency stop buttonEach equipments always will not forget a button, it also is at we meet the urgent circumstance use of, that is nasty to stop the button. When we meet the Human body trouble and surprised circumstances we as long as press it, the machine stops all operations immediately, and wait for processing the over surprised empress recover the operation again.Nasty stop the internal I/ O of the internal CPU of the button conjunction PLC to connect up, be to press button an exterior to trigger signal for CPU, the CPU carries on to the I/ O to examine again, being to confirm to have the exterior to trigger the signal, CPU protection the spot breaks off procedure counts the machine turn the homologous exteriorI/ O automatically in the procedure to go to also, be exterior interruption procedure processing complete, the procedure counts the machine to return the main procedure to continue to work.Have 1:00 can what to explain is we generally would nasty stop the button of exterior break off to rise to the tallest Class, thus guarantee the safety.4.4 PLC Counting functionWhen we are work a work piece, giving the PLC a signal, counting PLC inner part the machine add 1 to compute us for a day of workload, a count the machine and can solve problem in brief, certainly they also can keep the data under the condition of dropping the electricity, urging the data not to throw to lose, this is also what we hope earnestly.The PLC still has the function that the high class counts the machine, being us while accept some datas of high speed, the high speed that here say is the data of the in all aspects tiny second class, for example the bar code scanner is scanning the data continuously, calculating high-speed signal of the data processor DSP etc., we will adopt the high class to count the machine to help we carry on count. It at the PLC carries out the procedure once discover that the high class counts the machine to should of interruption, will let go of the work on the hand immediately. The trapezoid diagram procedure that passes by to weave the distance again explains the high class for us to carry out procedure to count machine would automatic performance to should of work, thus rise the Class that the high class counts the machine to high one Class.You heard too many this phrases perhaps:" crash", the meaning that is mostly is a workload of CPU to lead greatly, the internal resources shortage etc. the circumstance can't result in procedure circulate. The PLC also has the similar circumstance, there is a watchdog WDT in the inner part of PLC, we can establish time that a procedure of WDT circulate, being to appear the procedure to jump to turn the mistake in the procedure movement process or the procedure is busy, movement time of the procedure exceeds WDT constitution time, the CPU turn but the WDT reset the appearance. The procedure restarts the movement, but will not carry on the breakage to the interruption.Figure 4. Overall board design.5 PLC development in the futureThe PLC development has already entered for network ages of correspondence from the mode of the one, and together other works control the net plank and I/ O card planks to carry on the share easily. A state software can pass all se hardwares link, more animation picture of keep the view to carries on the control, and cans pass the Internet to carry on the control in the foreign land, the blast-off that is like the absolute being boat No.5 is to adopt this kind of way to make airship go up the sky.The development of the higher layer needs our continuous effort to obtain.The PLC emergence has already affected a few persons fully, we also obtained more knowledge and precepts from the top one experience of the generation, coming to the continuous development PLC technique, push it toward higher wave tide.References[1] R. Alur, C. Courcoubetis, and D. Dill. Model-Checking for Real-Time Systems.In Fifth Annual IEEE Symp. on Logic in Computer Science, pages 414{425.IEEE Press, 1990. [2] R. Alur and D.L. Dill. A theory of timed automata. Theoret. Comput. Sci.,126:183{235, 1994.[3] R. Alur, T. Henzinger, and E. Sontag, editors. Hybrid Systems III, volume 1066 of Lecture Notes in Computer Science. Springer-Verlag, 1996.[4] J. Bengtsson, K.G. Larsen, F. Larsson, P. Pettersson, and Wang Yi. Uppaal {a ToolSuite for Automatic Verification of Real-Time Systems. In Alur et al.[3]. 232{243.[5] D. Bosscher, I. Polak, and F. Vaandrager. Verification of an Audio Control Protocol. InH. Langmaack, W.-P. de Roever, and J. Vytopil, editors, Formal Techniques in Real-Time and Fault-Tolerant Systems, volume 863 of Lecture Notes in Computer Science, pages 170{192. Springer-Verlag, 1994.PLC technique discussion and future development, 2010, 130(9): 2436-2443.可编程控制器技术讨论与未来发展K.培根, M. 厄米尔通信教授, 德累斯顿科技大学,01062德累斯顿，德国摘要可编程逻辑控制器（PLC）是Richard E.Morley在1968年发明的一种具备运算功能的设备，现已被广泛的应用到工业中，包括制造系统、交通系统、化工过程设备等。
电气工程及其自动化专业 外文文献 英文文献 外文翻译 plc方面
1、外文原文（复印件）A: Fundamentals of Single-chip MicrocomputerTh e si ng le-ch i p mi cr oc om pu ter is t he c ul mi nat i on o f bo th t h e d ev el op me nt o f th e d ig it al com p ut er an d t he int e gr at ed ci rc ui ta r gu ab ly th e t ow m os t s i gn if ic ant i nv en ti on s o f t h e 20t h c en tu ry[1].Th es e to w typ e s of a rc hi te ctu r e ar e fo un d i n s in gl e-ch ip m i cr oc om pu te r. So m e em pl oy t he sp l it p ro gr am/d ata me mo ry o f th e H a rv ar d ar ch it ect u re, sh ow n i n -5A, ot he rs fo ll ow th e ph i lo so ph y, w i de ly a da pt ed fo r g en er al-p ur pos e c om pu te rs an d m i cr op ro ce ss or s, o f m a ki ng no lo gi c al di st in ct io n b e tw ee n p ro gr am a n d da t a m em ory a s i n th e Pr in cet o n ar ch it ec tu re,sh ow n in-5A.In g en er al te r ms a s in gl e-chi p m ic ro co mp ut er i sc h ar ac te ri zed b y the i nc or po ra tio n of al l t he uni t s o f a co mp ut er i n to a s in gl e dev i ce, as s ho wn in Fi g3-5A-3.-5A-1 A Harvard type-5A. A conventional Princeton computerFig3-5A-3. Principal features of a microcomputerRead only memory (ROM).R OM i s u su al ly f or th e p er ma ne nt, n o n-vo la ti le s tor a ge o f an a pp lic a ti on s pr og ra m .M an ym i cr oc om pu te rs an d mi cr oc on tr ol le r s a re in t en de d fo r h ig h-v ol ume a p pl ic at io ns a nd h en ce t he e co nom i ca l ma nu fa ct ure of t he d ev ic es r e qu ir es t ha t the co nt en ts o f the pr og ra m me mo ry b e co mm it te dp e rm an en tl y d ur in g th e m an uf ac tu re o f c hi ps . Cl ear l y, th is im pl ie sa ri g or ou s a pp roa c h t o R OM co de d e ve lo pm en t s in ce c ha ng es ca nn otb e m ad e af te r man u fa ct ur e .T hi s d e ve lo pm en t pr oce s s ma y in vo lv e e m ul at io n us in g a s op hi st ic at ed deve lo pm en t sy st em w i th a ha rd wa re e m ul at io n ca pa bil i ty a s we ll a s th e u se of po we rf ul so ft wa re t oo ls.So me m an uf act u re rs p ro vi de ad d it io na l RO M opt i on s byi n cl ud in g i n th ei r ra ng e de vi ce s wi th (or i nt en de d fo r us e wi th) u s er pr og ra mm ab le m em or y. Th e s im p le st of th es e i s us ua ll y d ev ice w h ic h ca n op er ate in a m ic ro pr oce s so r mo de b y usi n g so me o f th e i n pu t/ou tp ut li ne s as a n ad dr es s an d da ta b us f or acc e ss in g e xt er na l m e mo ry. T hi s t ype o f d ev ic e c an b e ha ve fu nc ti on al l y a s t he si ng le c h ip mi cr oc om pu te r fr om wh ic h i t i s de ri ve d a lb eit w it h r es tr ic ted I/O an d a mo di fie d e xt er na l ci rcu i t. T he u se o f t h es e RO Ml es sd e vi ce s is c om mo n e ve n in p ro du ct io n c ir cu it s wh er e t he v ol um e do es n o t ju st if y th e d e ve lo pm en t co sts of c us to m on-ch i p RO M[2];t he re c a n st il l b e a si g ni fi ca nt s a vi ng in I/O a nd ot he r c hi ps co mp ar ed t o a c on ve nt io nal mi cr op ro ce ss or b as ed c ir cu it. M o re e xa ctr e pl ac em en t fo r RO M d ev ic es c an b e o bt ai ne d in t he f o rm o f va ri an ts w i th 'pi gg y-ba ck'EP RO M(Er as ab le p ro gr am ma bl e ROM)s oc ke ts o rd e vi ce s w it h EP ROM i ns te ad o f R OM 。
生产自动化毕业论文中英文资料外文翻译文献
生产自动化毕业论文中英文资料外文翻译文献随着科技的不断进步和人们对效率的追求，生产自动化已经成为现代工业的重要组成部份。
生产自动化通过引入先进的机械和电子设备，以及自动化控制系统，实现了生产过程的自动化和智能化。
本文将介绍一些关于生产自动化的研究和应用的外文翻译文献。
1. 文献一：《生产自动化的发展与趋势》这篇文献介绍了生产自动化的发展历程和未来的趋势。
文章指出，生产自动化的发展可以追溯到20世纪初，随着电子技术和计算机技术的不断进步，生产自动化得到了快速发展。
未来，生产自动化将更加注重智能化和柔性化，以适应不断变化的市场需求。
2. 文献二：《生产自动化在汽车创造业中的应用》这篇文献探讨了生产自动化在汽车创造业中的应用。
文章指出，汽车创造业是生产自动化的典型应用领域之一。
通过引入机器人和自动化生产线，汽车创造商可以大大提高生产效率和产品质量。
此外，生产自动化还可以减少人力成本和人为错误。
3. 文献三：《生产自动化对工作环境和员工的影响》这篇文献研究了生产自动化对工作环境和员工的影响。
文章指出，尽管生产自动化可以提高生产效率，但它也带来了一些负面影响。
例如，自动化设备的噪音和振动可能对员工的健康造成影响。
此外，自动化还可能导致一些工人失去工作机会。
因此，为了最大限度地发挥生产自动化的优势，必须采取适当的安全措施和培训计划。
4. 文献四：《生产自动化在食品加工行业中的应用》这篇文献讨论了生产自动化在食品加工行业中的应用。
文章指出，食品加工是一个复杂而繁琐的过程，生产自动化可以大大提高生产效率和产品质量。
通过引入自动化设备和控制系统，食品加工商可以减少人为错误和污染风险。
此外，生产自动化还可以实现对食品生产过程的精确控制和监测。
5. 文献五：《生产自动化在医药创造业中的应用》这篇文献探讨了生产自动化在医药创造业中的应用。
文章指出，医药创造是一个高度精细和复杂的过程，生产自动化可以提高生产效率和产品质量的同时，确保药品的安全和一致性。
自动化专业-外文文献-英文文献-外文翻译-plc方面
1、外文原文（复印件)A: Fundamentals of Single-chip MicrocomputerTh e si ng le-ch i p mi cr oc om pu ter is t he c ul mi nat i on o f bo th t h e d ev el op me nt o f th e d ig it al com p ut er an d t he int e gr at ed ci rc ui ta r gu ab ly th e t ow m os t s i gn if ic ant i nv en ti on s o f t h e 20t h c en tu ry[1].Th es e to w t ype s o f a rc hi te ct ur e a re fo un d i n s i ng le—ch ip m i cr oc om pu te r。
S o me em pl oy th e s p li t p ro gr am/d at a me mo ry of t he H a rv ar d ar ch it ect u re, sh ow n in Fi g.3-5A—1，ot he r s fo ll ow t hep h il os op hy, wi del y a da pt ed f or ge n er al—pu rp os e c o mp ut er s an dm i cr op ro ce ss or s, of ma ki ng no lo gi c al di st in ct io n be tw ee n p ro gr am a n d da ta m em or y a s i n th e Pr in cet o n ar ch it ec tu re,sh ow n in F ig。
3-5A-2.In g en er al te r ms a s in gl e—ch i p mi cr oc om pu ter isc h ar ac te ri zed b y the i nc or po ra tio n of al l t he uni t s o f a co mp ut er i n to a s in gl e de v i ce，as s ho wn i n F ig3—5A—3。
PLC及变频器技术论文中英文资料对照外文翻译文献综述
PLC及变频器技术中英文资料对照外文翻译文献综述PLC and inverter technology trends1. The development trend of the programmable controller“PLC is one kind specially for the digital operation operation electronic installation which applies under the industry environment designs. It uses may the coding memory, uses for in its internal memory operation and so on actuating logic operation, sequence operation, time, counting and arithmetic operation instructions, and can through digital or the simulation-like input and the output, controls each type the machinery or the production process. PLC and the related auxiliary equipment should according to form a whole easy with the industrial control system, easy to expand its function the principle to design.”In the 21st century, PLC will have a bigger development. Technologically speaking, computer technology's new achievement more will apply in the programmable controller's design and the manufacture, will have the operating speed to be quicker, the storage capacity to be bigger, an intelligent stronger variety to appear; Looked from the product scale that further develops to subminiature and the ultra-large direction; Looked from the product overcoatability that the product variety will be richer, the specification to be more complete, the perfect man-machine contact surface, the complete communication facility will adapt each industrial control situation demand well; Looked from the market that various countries will produce the multi-variety product the situation to break respectively along with the international competition aggravating, will present the minority several brand monopoly international market the aspect, will present the international general programming language; Looking from the network state of play, the programmable controller and other industrial control computer networkconstitution large-scale control system is the programmable controller technology development direction. Present computer collection and distribution control system DCS (Distributed Control System) had the massive programmable controller application. Is following computer network's development, the programmable controller takes the automation directed net and the international universal network important component, outside industry and industry numerous domain display more and more major function.2. Inverter technology development trendsInverter into the practical phase of more than 1 / 4 century during this period, the frequency converter technology as the basis of power electronics technology and microelectronics technology manager of a leap in the development, as the new power electronic devices and high-performance microprocessor The application of control technology and the development of increasingly high cost performance of the inverter, more and more small size, but manufacturers are still in constant frequency converter to achieve the further miniaturization and doing new efforts. From a technical point of view, with the frequency converter to further expand the market of the future, with the converter and inverter technology will be on the development of technologies in the following areas further development:(1) large capacity and small size;(2) high-performance and multi-function;(3) enhance the ease-of-use;(4) increase in life expectancy and reliability;(5) of pollution-free.Large capacity and small size of the power semiconductor devices will be with the development of continuous development. In recent years, driven by a voltage power semiconductor devices IGBT (Isolated Gate Bipolar Transistor, isolation gate bipolar transistors) has developed very rapidly and quickly into the traditional use of BJT (bipolar power transistor) and power MOSFET (FET) The various fields. In addition, the IGBT switching device for the IPM (Intelligent Power Module, IPM) and Monolithic Power IC chip will power switching devices and driving circuit, such as the protection of integrated circuits in the same package, with high performance andreliability The merits, with their high current and high pressure of the development of small and medium-sized converter will certainly be more widely used.With micro-electronics technology and semiconductor technology development, for Inverter CPU and semiconductor devices and a variety of sensors of getting higher and higher. With the frequency converter technology and the development of the growing maturity of the exchange governor, modern control theory are constantly new applications. These have further improved the performance of inverter provided the conditions. In addition, with the frequency converter to further promote the use and support are also constantly made new demands, the frequency converter manufacturers to continuously improve the performance and frequency converter functions in Inverter new efforts to meet user And the need for the fierce competition in the market in an invincible position.With the frequency converter market continues to expand, how to further enhance the ease-of-use inverter, so that the technical staff and even ordinary non-technical staff can quickly master the use of frequency converter technology has become manufacturers must consider the issue. Because only easy-to-use products can continue to acquire new customers and further expand the market, so the future of the new converter will be more easy to operate.With the development of semiconductor technology and the development of power electronics technology, the frequency converter used in the various components of the life and reliability are constantly improving, they will make their own life and the frequency converter to further increase reliability.In recent years, people have attached great importance to environmental issues, and thus a "green products" name. Therefore, the inverter, must also consider its impact on the surrounding environment.Promote the use of the frequency converter in the early stages of the noise problem was once a big problem. With the low-noise converter IGBT the emergence of this issue has basically been resolved. However, with the noise problem to solve, people's looks and a converter to the surrounding environment and the impact of other continuously explore new solutions. For example, the use of a diode-voltage converter and PWMinverter circuit converter, the frequency converter itself the high harmonics will bring supply voltage and current distortion, and at the same power to affect the other equipment. However, through the use of the frequency converter Rectifier circuit PWM, we can basically solve the problem. Although because of price and control technology and other aspects of the reasons for the current PWM converter has not been promoting the inverter, but, with the frequency converter technology development and the people of the importance of environmental issues.PLC及变频器技术的发展趋势1．可编程控制器的发展趋势可编程控制器是一种数字运算操作的电子系统，专为在工业环境下应用而设计。
自动化外文参考文献(精选120个最新)
自动化外文参考文献（精选120个最新）自动化外文参考文献（精选120个最新）本文关键词：外文，参考文献，自动化，精选，最新自动化外文参考文献（精选120个最新）本文简介：自动化（Automation）是指机器设备、系统或过程（生产、管理过程）在没有人或较少人的直接参与下，按照人的要求，经过自动检测、信息处理、分析判断、操纵控制，实现业绩预期的目标的过程。
下面是搜索整理的关于自动化参考文献，欢迎借鉴参考。
自动化外文释义一：[1]NazriNasir,Sha自动化外文参考文献（精选120个最新）本文内容：自动化（Automation）是指机器设备、系统或过程（生产、管理过程）在没有人或较少人的直接参与下，按照人的要求，经过自动检测、信息处理、分析判断、操纵控制，实现预期的目标的过程。
下面是搜索整理的关于自动化后面外文参考文献，欢迎借鉴参考。
自动化外文引文一：[1]Nazri Nasir,Shabudin Mat. An automated visual tracking measurement for quantifying wing and body motion of free-flying houseflies[J]. Measurement,2021,143.[2]Rishikesh Kulkarni,Earu Banoth,Parama Pal. Automated surface feature detection using fringe projection: An autoregressive modeling-based approach[J]. Optics and Lasers in Engineering,2021,121.[3]Tengyue Fang,Peicong Li,Kunning Lin,NengwangChen,Yiyong Jiang,Jixin Chen,Dongxing Yuan,Jian Ma. Simultaneous underway analysis of nitrate and nitrite inestuarine and coastal waters using an automated integrated syringe-pump-based environmental-water analyzer[J]. Analytica Chimica Acta,2021,1076.[4]Shengfeng Chen,Jian Liu,Xiaosong Zhang,XinyuSuo,Enhui Lu,Jilong Guo,Jianxun Xi. Development ofpositioning system for Nuclear-fuel rod automated assembly[J]. Robotics and Computer Integrated Manufacturing,2021,61.[5]Cheng-Ta Lee,Yu-Ching Lee,Albert Y. Chen. In-building automated external defibrillator location planning and assessment through building information models[J]. Automation in Construction,2021,106.[6]Torgeir Aleti,Jason I. Pallant,Annamaria Tuan,Tom van Laer. Tweeting with the Stars: Automated Text Analysis of the Effect of Celebrity Social Media ications on ConsumerWord of Mouth[J]. Journal of Interactive Marketing,2021,48.[7]Daniel Bacioiu,Geoff Melton,MayorkinosPapaelias,Rob Shaw. Automated defect classification of SS304 TIG welding process using visible spectrum camera and machine learning[J]. NDT and E International,2021,107.[8]Marcus von der Au,Max Schwinn,KatharinaKuhlmeier,Claudia Büchel,Bj?rn Meermann. Development of an automated on-line purification HPLC single cell-ICP-MS approach for fast diatom analysis[J]. Analytica ChimicaActa,2021,1077.[9]Jitendra Mehar,Ajam Shekh,Nethravathy M. U.,R. Sarada,Vikas Singh Chauhan,Sandeep Mudliar. Automation ofpilot-scale open raceway pond: A case study of CO 2 -fed pHcontrol on Spirulina biomass, protein and phycocyanin production[J]. Journal of CO2 Utilization,2021,33.[10]John T. Sloop,Henry J.B. Bonilla,TinaHarville,Bradley T. Jones,George L. Donati. Automated matrix-matching calibration using standard dilution analysis withtwo internal standards and a simple three-port mixing chamber[J]. Talanta,2021,205.[11]Daniel J. Spade,Cathy Yue Bai,ChristyLambright,Justin M. Conley,Kim Boekelheide,L. Earl Gray. Corrigendum to “Validation of an automated counting procedure for phthalate-induced testicular multinucleated germ cells” [Toxicol. Lett. 290 (2021) 55–61][J]. Toxicology Letters,2021,313.[12]Christian P. Janssen,Shamsi T. Iqbal,Andrew L. Kun,Stella F. Donker. Interrupted by my car? Implications of interruption and interleaving research for automatedvehicles[J]. International Journal of Human - Computer Studies,2021,130.[13]Seunguk Lee,Si Kuan Thio,Sung-Yong Park,Sungwoo Bae. An automated 3D-printed smartphone platform integrated with optoelectrowetting (OEW) microfluidic chip for on-site monitoring of viable algae in water[J]. Harmful Algae,2021,88.[14]Yuxia Duan,Shicai Liu,Caiqi Hu,Junqi Hu,Hai Zhang,Yiqian Yan,Ning Tao,Cunlin Zhang,Xavier Maldague,Qiang Fang,Clemente Ibarra-Castanedo,Dapeng Chen,Xiaoli Li,Jianqiao Meng. Automated defect classification in infrared thermography based on a neural network[J]. NDT and E International,2021,107.[15]Alex M. Pagnozzi,Jurgen Fripp,Stephen E. Rose. Quantifying deep grey matter atrophy using automated segmentation approaches: A systematic review of structural MRI studies[J]. NeuroImage,2021,201.[16]Jin Ye,Zhihong Xuan,Bing Zhang,Yu Wu,LiLi,Songshan Wang,Gang Xie,Songxue Wang. Automated analysis of ochratoxin A in cereals and oil by iaffinity magnetic beads coupled to UPLC-FLD[J]. Food Control,2021,104.[17]Anne Bech Risum,Rasmus Bro. Using deep learning to evaluate peaks in chromatographic data[J].Talanta,2021,204.[18]Faris Elghaish,Sepehr Abrishami,M. Reza Hosseini,Soliman Abu-Samra,Mark Gaterell. Integrated project delivery with BIM: An automated EVM-based approach[J]. Automation in Construction,2021,106.[19]Carl J. Pearson,Michael Geden,Christopher B. Mayhorn. Who's the real expert here? Pedigree's unique bias on trust between human and automated advisers[J]. Applied Ergonomics,2021,81.[20]Vibhas Mishra,Dani?l M.J. Peeters,Mostafa M. Abdalla. Stiffness and buckling analysis of variablestiffness laminates including the effect of automated fibre placement defects[J]. Composite Structures,2021,226.[21]Jenny S. Wesche,Andreas Sonderegger. When computers take the lead: The automation of leadership[J]. Computers in Human Behavior,2021,101.[22]Murat Ayaz,Hüseyin Yüksel. Design of a new cost-efficient automation system for gas leak detection in industrial buildings[J]. Energy & Buildings,2021,200.[23]Stefan A. Mann,Juliane Heide,Thomas Knott,Razvan Airini,Florin Bogdan Epureanu,Alexandru-FlorianDeftu,Antonia-Teona Deftu,Beatrice Mihaela Radu,Bogdan Amuzescu. Recording of multiple ion current components and action potentials in human induced pluripotent stem cell-derived cardiomyocytes via automated patch-clamp[J]. Journal of Pharmacological and Toxicological Methods,2021,100.[24]Rhar? de Almeida Cardoso,Alexandre Cury,Flavio Barbosa. Automated real-time damage detection strategy using raw dynamic measurements[J]. Engineering Structures,2021,196.[25]Mengmeng Zhong,Tielong Wang,Chengdu Qi,Guilong Peng,Meiling Lu,Jun Huang,Lee Blaney,Gang Yu. Automated online solid-phase extraction liquid chromatography tandem mass spectrometry investigation for simultaneous quantification of per- and polyfluoroalkyl substances, pharmaceuticals and personal care products, and organophosphorus flame retardants in environmental waters[J]. Journal of Chromatography A,2021,1602.[26]Pau Climent-Pér ez,Susanna Spinsante,Alex Mihailidis,Francisco Florez-Revuelta. A review on video-based active and assisted living technologies for automated lifelogging[J]. Expert Systems With Applications,2021,139.[27]William Snyder,Marisa Patti,Vanessa Troiani. An evaluation of automated tracing for orbitofrontal cortexsulcogyral pattern typing[J]. Journal of Neuroscience Methods,2021,326.[28]Juan Manuel Davila Delgado,LukumonOyedele,Anuoluwapo Ajayi,Lukman Akanbi,OlugbengaAkinade,Muhammad Bilal,Hakeem Owolabi. Robotics and automated systems in construction: Understanding industry-specific challenges for adoption[J]. Journal of Building Engineering,2021,26.[29]Mohamed Taher Alrefaie,Stever Summerskill,Thomas W Jackon. In a heart beat: Using driver’s physiological changes to determine the quality of a takeover in highly automated vehicles[J]. Accident Analysis andPrevention,2021,131.[30]Tawseef Ayoub Shaikh,Rashid Ali. 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A clustering approach to developing car-to-two-wheeler test scenarios for the assessment of Automated Emergency Braking in China using in-depth Chinese crash data[J]. Accident Analysis and Prevention,2021,132.[60]Ji-Seok Yoon,Eun Young Choi,Maliazurina Saad,Tae-Sun Choi. Automated integrated system for stained neuron detection: An end-to-end framework with a high negative predictive rate[J]. Computer Methods and Programs in Biomedicine,2021,180.自动化外文参考文献八：[61]Min Wang,Barbara E. Glick-Wilson,Qi-Huang Zheng. Facile fully automated radiosynthesis and quality control of O -(2-[ 18 F]fluoroethyl)- l -tyrosine ([ 18 F]FET) for human brain tumor imaging[J]. Applied Radiation andIsotopes,2021,154.[62]Fabian Pütz,Finbarr Murphy,Martin Mullins,LisaO'Malley. Connected automated vehicles and insurance: Analysing future market-structure from a business ecosystem perspective[J]. Technology in Society,2021,59.[63]Victoria A. Banks,Neville A. Stanton,Katherine L. Plant. Who is responsible for automated driving? A macro-level insight into automated driving in the United Kingdom using the Risk Management Framework and Social NetworkAnalysis[J]. Applied Ergonomics,2021,81.[64]Yingjun Ye,Xiaohui Zhang,Jian Sun. Automated vehicle’s behavior decision making using deep reinforcement learning and high-fidelity simulation environment[J]. Transportation Research Part C,2021,107.[65]Hasan Alkaf,Jameleddine Hassine,TahaBinalialhag,Daniel Amyot. An automated change impact analysis approach for User Requirements Notation models[J]. TheJournal of Systems & Software,2021,157.[66]Zonghua Luo,Jiwei Gu,Robert C. Dennett,Gregory G. Gaehle,Joel S. Perlmutter,Delphine L. Chen,Tammie L.S. Benzinger,Zhude Tu. Automated production of a sphingosine-1 phosphate receptor 1 (S1P1) PET radiopharmaceutical [ 11C]CS1P1 for human use[J]. Applied Radiation andIsotopes,2021,152.[67]Sarfraz Qureshi,Wu Jiacheng,Jeroen Anton van Kan. Automated alignment and focusing system for nuclear microprobes[J]. Nuclear Inst. and Methods in Physics Research, B,2021,456.[68]Srikanth Sagar Bangaru,Chao Wang,MarwaHassan,Hyun Woo Jeon,Tarun Ayiluri. Estimation of the degreeof hydration of concrete through automated machine learning based microstructure analysis – A study on effect of image magnification[J]. Advanced Engineering Informatics,2021,42.[69]Fang Tengyue,Li Peicong,Lin Kunning,Chen Nengwang,Jiang Yiyong,Chen Jixin,Yuan Dongxing,Ma Jian. Simultaneous underway analysis of nitrate and nitrite in estuarine and coastal waters using an automated integrated syringe-pump-based environmental-water analyzer.[J]. Analytica chimica acta,2021,1076.[70]Ramos Inês I,Carl Peter,Schneider RudolfJ,Segundo Marcela A. Automated lab-on-valve sequential injection ELISA for determination of carbamazepine.[J]. Analytica chimica acta,2021,1076.[71]Au Marcus von der,Schwinn Max,Kuhlmeier Katharina,Büchel Claudia,Meermann Bj?rn. Development of an automated on-line purification HPLC single cell-ICP-MS approach for fast diatom analysis.[J]. Analytica chimica acta,2021,1077.[72]Risum Anne Bech,Bro Rasmus. Using deep learning to evaluate peaks in chromatographic data.[J].Talanta,2021,204.[73]Spade Daniel J,Bai Cathy Yue,LambrightChristy,Conley Justin M,Boekelheide Kim,Gray L Earl. Corrigendum to "Validation of an automated counting procedure for phthalate-induced testicular multinucleated germ cells" [Toxicol. Lett. 290 (2021) 55-61].[J]. Toxicologyletters,2021,313.[74]Zhong Mengmeng,Wang Tielong,Qi Chengdu,Peng Guilong,Lu Meiling,Huang Jun,Blaney Lee,Yu Gang. Automated online solid-phase extraction liquid chromatography tandem mass spectrometry investigation for simultaneousquantification of per- and polyfluoroalkyl substances, pharmaceuticals and personal care products, and organophosphorus flame retardants in environmental waters.[J]. Journal of chromatography. 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Automated piezoelectric spraying of biological and enzymatic assays for effect-directed analysis of planar chromatograms.[J]. Journal of chromatography. A,2021,1602.[80]Fikarová Kate?ina,Cocovi-Solberg David J,Rosende María,Horstkotte Burkhard,Sklená?ová Hana,Miró Manuel. Aflow-based platform hyphenated to on-line liquid chromatography for automatic leaching tests of chemical additives from microplastics into seawater.[J]. Journal of chromatography. A,2021,1602.[81]Moitra Dipanjan,Mandal Rakesh Kr. Automated AJCC (7th edition) staging of non-small cell lung cancer (NSCLC) using deep convolutional neural network (CNN) and recurrent neural network (RNN).[J]. Health information science and systems,2021,7(1).[82]Ramos-Payán María. Liquid - Phase microextraction and electromembrane extraction in millifluidic devices:A tutorial.[J]. Analytica chimica acta,2021,1080.[83]Z?llei Lilla,Jaimes Camilo,Saliba Elie,Grant P Ellen,Yendiki Anastasia. TRActs constrained by UnderLying INfant anatomy (TRACULInA): An automated probabilistic tractography tool with anatomical priors for use in the newborn brain.[J]. NeuroImage,2021,199.[84]Sedghi Gamechi Zahra,Bons Lidia R,Giordano Marco,Bos Daniel,Budde Ricardo P J,Kofoed Klaus F,Pedersen Jesper Holst,Roos-Hesselink Jolien W,de Bruijne Marleen. Automated 3D segmentation and diameter measurement of the thoracic aorta on non-contrast enhanced CT.[J]. European radiology,2021,29(9).[85]Smith Claire,Galland Barbara C,de Bruin Willemijn E,Taylor Rachael W. Feasibility of Automated Cameras to Measure Screen Use in Adolescents.[J]. American journal of preventive medicine,2021,57(3).[86]Lambert Marie-?ve,Arsenault Julie,AudetPascal,Delisle Benjamin,D'Allaire Sylvie. Evaluating an automated clustering approach in a perspective of ongoing surveillance of porcine reproductive and respiratory syndrome virus (PRRSV) field strains.[J]. 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用专业英语介绍自动化发展的作文
用专业英语介绍自动化发展的作文## Automation: Technological Advancements and Socioeconomic Implications.英文回答：Automation, the use of technology to perform tasks typically done by humans, has emerged as a transformative force in contemporary society. Driven by advancements in artificial intelligence (AI), robotics, and machine learning, automation is profoundly shaping the economy, labor market, and social fabric.Socioeconomic Impacts:Economic growth and productivity: Automation can increase productivity by automating repetitive, dangerous, or complex tasks, allowing human workers to focus on higher-value activities.Job displacement and labor market disruption: As automation becomes more pervasive, it can lead to job displacement in industries where tasks can be easily automated. Upskilling and retraining programs are crucial to mitigate the impact on the workforce.Income inequality: Automation can contribute to income inequality by displacing low-skill workers and creating new high-skill jobs that require specialized knowledge.Social inclusion and accessibility: Automation has the potential to improve accessibility and inclusivity for people with disabilities by automating tasks that may be inaccessible or difficult for them.Technological Advancements:Artificial Intelligence (AI): AI-powered systems can perform cognitive tasks, such as decision-making, problem-solving, and natural language processing, automating complex processes previously reserved for humans.Robotics: Robots, particularly collaborative robots, are increasingly used in manufacturing, healthcare, and service industries to perform tasks with precision and efficiency.Machine Learning (ML): ML algorithms analyze large datasets to identify patterns and make predictions, enabling automation in fields such as data analysis and predictive maintenance.Future Implications:The future of automation is uncertain but holds both opportunities and challenges. Widespread automation could lead to:Increased economic output and prosperity: Enhanced productivity and innovation can boost economic growth and create new industries.Social and ethical challenges: Automation raises questions about the role of human workers in society, theimpact on employment, and the potential for bias and discrimination in automated decision-making.Reskilling and lifelong learning: The changing nature of work requires continuous learning and upskilling to adapt to the demands of an automated workplace.中文回答：## 自动化的发展及社会经济影响。
自动化专业中英文对照外文翻译文献
中英文对照外文翻译Automation of professional developmentAutomation in the history of professional development, "industrial automation" professional and "control" professional development of the two main line, "industrial automation" professional from the first "industrial enterprises electrified" professional.In the 1950s, the New China was just founded, the 100-waste question, study the Soviet Union established system of higher education, Subdivision professional. Corresponding to the country in the construction of industrial automation and defense, military construction in automatic control, successively set up the "electrification of industrial enterprises" professional and "control" professional (at that time in many schools, "Control" professional secrecy is professional) . After several former professional name of evolution (see below), and gradually develop into a "biased towards applications, biased towards strong," Automation, and the latter to maintain professional name of "control" basically unchanged (in the early days also known as the "automatic learning And remote learning, "" Automatic Control System "professional), and gradually develop into a" biased towards theory, biased towards weak, "the automation professional, and come together in 1995, merged into aunified" automatic "professional . In 1998, according to the Ministry of Education announced the latest professional undergraduate colleges and universities directory, adjusted, the merger of the new "automated" professional include not only the original "automatic" professional (including "industrial automation" professional and "control" professional ), Also increased the "hydraulic transmission and control of" professional (part), "electrical technology" professional (part) and "aircraft guidance and control of" professional (part).Clearly, one of China's automation professional history of the development of China's higher education actually is a new development of the cause of a microcosm of the history, but also the history of New China industrial development of a miniature. Below "industrial automation" professional development of the main line of this example, a detailed review of its development process in the many professional name change (in real terms in the professional content changes) and its industrial building at the time of the close relationship.First a brief look at the world and China's professional division history. We know that now use the professional division is largely from the 19th century to the beginning of the second half of the first half of the 20th century stereotypes of the engineering, is basically industry (products) for the objects to the division, they have been the image of people Known as the "industry professionals" or "trade associations." At present the international education system in two categories, with Britain and the United States as the representative of the education system not yet out of "industry professionals" system, but has taken the "generalist" the road of education and the former Soviet Union for Europe (close to the Soviet Union) as the representative The education system, at the beginning of theimplementation of "professionals" education, professional-very small, although reforms repeatedly, but to the current "industry professionals" are still very obvious characteristics.In the 1950s, just after the founding of New China, a comprehensive study and the Soviet Union and sub-professional very small; Since reform and opening up, only to Britain and the United States to gradually as the representative of the education system to move closer, and gradually reduce the professional, the implementation of "generalist" education through a number of professional Restructuring and merger (the total number of professionals from the maximum of 1,343 kinds of gradually reducing the current 249 kinds), although not out of "industry professionals" and "Mei Ming," but many of the colleges and universities, mostly only one of a Professional, rather than the past more than a professional.Before that, China's first professional automation from the National University in 1952 when the first major readjustment of the establishment of professional - electrified professional industrial enterprises. At that time, the Soviet Union assistance to the construction of China's 156 large industrial enterprises, automation of much-needed electrical engineering and technical personnel, and such professional and technical personnel training, and then was very consistent with China's industrial construction. By the 1960s, professional name changed to "industrial electric and automation," the late 1970s when to resume enrollment "Electric Industrial Automation" professional. This is not only professional name changes, but has its profound meaning, it reflects China's industries from "electrified" step by step to the "automatic" into the real history and that part of the development trend of China's automation professional reflects how urgent countries Urgent for the country'seconomic construction services that period of history and development of real direction.1993, after four years of the third revision of the undergraduate professional directories, the State Education Commission issued a call "system integrity, more scientific and reasonable, the harmonization of norms," the "ordinary professional directory of undergraduate colleges and universities." "Electric Industrial Automation" and "production process automation" merger of the two professional electrician to set up a kind of "industrial automation" professional, by the then Ministry of Industry Machinery centralized management colleges and universities to set up industrial automation teaching guide at the Commission, responsible for the "Industrial Automation "professional teaching and guiding work at the same time," Control "was attributable to the professional category of electronic information, the then Ministry of Industry of electronic centralized management control to set up colleges and universities teaching guide at the Commission, responsible for the" control " Professional teaching guide our work. After the professional adjustment, further defined the "industrial automation" professional and "control" professional "- both strong and weak, hardware and software into consideration and control theory and practical system integration, and the movement control, process control and other targets of control "The common characteristics with the training objectives, but also the basic set of" industrial automation "biased towards strong, professional, biased towards applications," Control "professional biased towards weak, biased towards the theory of professional characteristics and pattern of division of labor. 1995, the State Education Commission promulgated the "(University) undergraduate engineering leading professional directory", the electrical category "industrialautomation" professional and the original electronic information such as "control" of professional electronic information into a new category of "automatic" professional . As this is the leading professional directory, are not enforced, coupled with general "industrial automation" strong or weak, both professional "into" a weak professional category of electronic information is not conducive to professional development and thus many Schools remain "industrial automation" professional and "control" the situation of professional co-exist. Since 1996 more, again commissioned by the Ministry of National Education Ministry of Industry and electronic machinery industries of other parts of the establishment of the new session (second session) centralized management guidance at the University Teaching Commission, making the leading professionals have not been effective Implemented.1998, to meet the country's economic construction of Kuan Koujing personnel training needs, further consolidation of professional and international "generalist" education track by the Ministry of Education announced a fourth revision of the latest "Universities Undergraduate Catalog." So far in the use of the directory, the total number of professionals from the third amendments to the 504 kinds of substantially reduced to 249 species, the original directory is strong, professional electrician and a weak professional category such as electronics and information into categories Electric power, the unity of Information, a former electrician at the same time kind of "industrial automation" professional and the type of electronic information "control" professional formal merger, together with the "hydraulic transmission and control of" professional (part) , "Electric technology" professional (part) and "aircraft guidance and controlof" professional (part), the composition of the new (enforcement) are electrical information such as "automatic" professional. According to statistics, so far the country has more than 200 colleges and universities set up this kind of "automatic" professional. If the name of automation as part of their professional expertise (such as "electrical engineering and automation," "mechanical design and manufacturing automation," "agricultural mechanization and automation" and other professionals) included Automation has undoubtedly is the largest in China A professional.Of the characteristics of China's automation professional:Recalling China's professional history of the development of automation, combined with the corresponding period of the construction of China's national economy to the demand for automation and automated the development of the cause, it is not difficult to sum up following professional characteristics:(1) China's automation professional is not only a relatively long history (since 1952 have been more than 50 years), and from the first day of the establishment of professional automation, has been a professional one of the countries in urgent need, therefore the number of students has also been The largest and most employers welcome the allocation of the professional one.(2) China's automation is accompanied by a professional from the electrification of China's industrial automation step by step to the development of stable development, professional direction and the main content from the first prominent electrified "the electrification of industrial enterprises" step by step for the development of both the electric and automation " Industrial electric and automation ", highlighting the electrical automation" Electric Industrial Automation "and prominent automation" industrial automation ", then the merger of professional education reform in1995 and" control "of professional content into a broader" automated " Professional. From which we can see that China's automation professional Although the initial study in the Soviet education system established under the general environment, but in their development and the Soviet Union or the United States and Britain did not copy the mode, but with China's national conditions (to meet national needs for The main goal) from the innovation and development of "cross-industry professionals," features the professional.自动化专业的发展自动化专业的发展历史中，有“工业自动化”专业与“自动控制”专业两条发展主线，其中“工业自动化”专业最早源于“工业企业电气化”专业。
自动化专业英语论文
The Single-chip MicrocomputersAbstract: nowadays, almost nobody are not familiar with the computer. Exactly, people’s life will not continue without the computer. Now, the computer is more and more likely to be used in an automatic system design to imit ate human being’s brain. This essay will introduce something about Single-chip Microcomputers.Keywords: SCM, semiconductor, computer1.the history of the SCMModern computer technology, industrial revolution, the world economy from the capital into the economy to knowledge economy. Field in the electronic world, from the 20th century into the era of radio to computer technology in the 21st century as the center of the intelligent modern era of electronic systems. The basic core of modern electronic systems are embedded computer systems (referred to as embedded systems), while the microcontroller is the most typical and most extensive and most popular embedded systems.Fifties and sixties in the 20th century, the most representative of the advanced electronic technology is wireless technology, including radio broadcasting, radio, wireless communications (telegraph), Amateur Radio, radio positioning, navigation and other telemetry, remote control, remote technology. The early radio technology to promote the development of electronic technology, most notably electronic vacuum tube technology to semiconductor electronic technology. The development of semiconductor technology lead to the production of integrated circuit, forming the modern electronic technology leap from discrete electronics into the era of era of integrated circuits. Semiconductor integrated circuits in the basic digital logic circuits first breakthrough. A large number of digital logic circuits, such as gates, counters, timers, shift registers, and analog switches, comparators, etc., for the electronic digital control provides excellent conditions for the traditional mechanical control to electronic control. Power electronic devices and sensor technology to make the original to the radio as the center of electronic technology turned to mechanical engineering in the field of digital control systems, testing in the field of information collection, movement of electrical mechanical servo drive control object.Semiconductor and integrated circuit technology will bring us a universal age of electronic technology, wireless technology as the field of electronic technology a part of. 70 years into the 20th century, large scale integrated circuit appeared to promote the conventional electronic circuit unit-specific electronic systems development.Now comes the embedded systems,and the Single-chip Microcomputer or MCU is a typical. If you meet the massive data-processing computer system known as general-purpose computer system, then the system can be the embeddedobject (such as ships, aircraft, motorcycles, etc.) in a computer system called the embedded computer. Embedded system is primarily a computer system, followed by it being embedded into the object system, objects in the object system to achieve required data collection, processing, status display, the output control functions, as embedded in the object system, embedded system computer does not have an independent form and function of the computer. SCM is entirely in accordance with the requirements of embedded system design, so SCM is the most typical embedded systems. SCM is the early application of technical requirements in accordance with the design of embedded computer chip integration, hence the name single chip. Subsequently, the MCU embedded applications to meet the growing demands of its control functions and peripheral interface functions, in particular, highlight the control function, so has international name the single chip microcontroller (MCU, Microcontroller Unit).2.About common single chipSTC microcontroller STC's mainly based on the 8051 microcontroller core is a new generation of enhanced MCU, the instruction code is fully compatible with the traditional 8051, 8 to 12 times faster, with ADC, 4 Road, PWM, dual serial ports, a global unique ID, encryption of good, strong anti-interference. PIC Microcontroller: MICROCHIP's products is its prominent feature is a small, low power consumption, reduced instruction set, interference, reliability, strong analog interface, the code of confidentiality is good, most of the chip has its compatibleFLASH program memory chips. EMC SCM: Elan's products in Taiwan, with much of the PIC 8-bit microcontroller compatible, and compatible products, resources, compared to the PIC's more, cheap, there are many series of options, but less interference. ATMEL microcontroller (MCU 51): ATMEl company's 8-bit microcontroller with AT89, AT90 two series, AT89 series is the 8-bit Flash microcontroller 8051 is compatible with the static clock mode; AT90 RISC MCU is to enhance the structure, all static methods of work, containing the line can be Flash MCU programming, also known A VR microcontroller. PHLIPIS 51PLC Microcontroller (MCU 51): PHILIPS company's MCU is based on the 80C51 microcontroller core, embedded power-down detection, simulation and on-chip RC oscillator and other functions, which makes 51LPC in highly integrated, low cost, low power design to meet various applications performance requirements. HOLTEK SCM: Sheng Yang, Taiwan Semiconductor's single chip, cheap more categories, but less interference for consumer products. TI company microcontroller (MCU 51):Texas Instruments MSP430 provides the TMS370 and two series of general-purpose microcontroller. TMS370 MCU is the 8-bit CMOS MCU with a variety of storage mode, a variety of external interface mode, suitable for real-time control of complex situations; MSP430 MCU is a low power, high functionality integrated 16-bit low-power microcontroller, especially for applications that require low power consumption occasions Taiwan Sonix'ssingle, mostly 8-bit machines, some with PIC 8-bit microcontroller compatible, cheap, the system clock frequency may be more options there PMW ADC internal noise filtering within the vibration. Shortcomings RAM space is too small, better anti-interference.3. Fundamentals of Single-chip MicrocomputersIn contrast to general-purpose CPUs, microcontrollers do not have an address bus or a data bus, because they integrate all the RAM and non-volatile memory on the same chip as the CPU. Because they need fewer pins, the chip can be placed in a much smaller, cheaper package.Integrating the memory and other peripherals on a single chip and testing them as a unit increases the cost of that chip, but often results in decreased net cost of the embedded system as a whole. (Even if the cost of a CPU that has integrated peripherals is slightly more than the cost of a CPU + external peripherals, having fewer chips typically allows a smaller and cheaper circuit board, and reduces the labor required to assemble and test the circuit board). This trend leads to design.A microcontroller is a single integrated circuit, commonly with the following features:central processing unit - ranging from small and simple 4-bit processors to sophisticated 32- or 64-bit processors input/output interfaces such as serial ports (UARTs) other serial communications interfaces like I²C, Serial Peripheral Interface and Controller Area Network for system interconnect peripherals such as timers and watchdog RAM for data storage ROM, EPROM, EEPROM or Flash memory for program storage clock generator - often an oscillator for a quartz timing crystal, resonator or RC circuit many include analog-to-digital converters. This integration drastically reduces the number of chips and the amount of wiring and PCB space that would be needed to produce equivalent systems using separate chips and have proved to be highly popular in embedded systems since their introduction in the 1970s.参考文献：《自动化专业英语》王宏文PART3 UINT4 Fundamentals of Single-chip Microcomputer胡寿松，等.自动控制原理[M].北京：科学出版社，2008《51单片机入门与提高》郭天祥丁往道，等.英语写作手册[M].北京：外语教学与研究出版社，1994《THE AUTOMATION》The microcomputer。
毕业设计毕业论文电气工程及其自动化外文翻译中英文对照
毕业设计毕业论文电气工程及其自动化外文翻译中英文对照电气工程及其自动化外文翻译中英文对照一、引言电气工程及其自动化是一门涉及电力系统、电子技术、自动控制和信息技术等领域的综合学科。
本文将翻译一篇关于电气工程及其自动化的外文文献，并提供中英文对照。
二、文献翻译原文标题：Electric Engineering and Its Automation作者：John Smith出版日期：2020年摘要：本文介绍了电气工程及其自动化的基本概念和发展趋势。
首先，介绍了电气工程的定义和范围。
其次，探讨了电气工程在能源领域的应用，包括电力系统的设计和运行。
然后，介绍了电气工程在电子技术领域的重要性，包括电子设备的设计和制造。
最后，讨论了电气工程与自动控制和信息技术的结合，以及其在工业自动化和智能化领域的应用。
1. 介绍电气工程是一门研究电力系统和电子技术的学科，涉及发电、输电、配电和用电等方面。
电气工程的发展与电力工业的发展密切相关。
随着电力需求的增长和电子技术的进步，电气工程的重要性日益凸显。
2. 电气工程在能源领域的应用电气工程在能源领域的应用主要包括电力系统的设计和运行。
电力系统是由发电厂、输电线路、变电站和配电网络等组成的。
电气工程师负责设计和维护这些设施，以确保电力的可靠供应。
3. 电气工程在电子技术领域的重要性电气工程在电子技术领域的重要性体现在电子设备的设计和制造上。
电子设备包括电脑、手机、电视等消费电子产品，以及工业自动化设备等。
电气工程师需要掌握电子电路设计和数字信号处理等技术，以开发出高性能的电子设备。
4. 电气工程与自动控制和信息技术的结合电气工程与自动控制和信息技术的结合是电气工程及其自动化的核心内容。
自动控制技术可以应用于电力系统的运行和电子设备的控制，以提高系统的稳定性和效率。
信息技术则可以用于数据采集、处理和传输，实现对电力系统和电子设备的远程监控和管理。
5. 电气工程在工业自动化和智能化领域的应用电气工程在工业自动化和智能化领域的应用越来越广泛。
自动化专业外文文献
Development of Sensor New TechnologySensor is one kind component which can transform the physical quantity, chemistry quantity and the biomass into electrical signal. The output signal has the different forms like the voltage, the electric current, the frequency, the pulse and so on, which can satisfy the signal transmission, processing, recording, and demonstration and control demands. So it is the automatic detection system and in the automatic control industry .If automatic Technology is used wider, then sensor is more important.Several key words of the sensor：1 Sensor ElementsAlthough there are exception ,most sensor consist of a sensing element and a conversion or control element. For example, diaphragms,bellows,strain tubes and rings, bourdon tubes, and cantilevers are sensing elements which respond to changes in pressure or force and convert these physical quantities into a displacement. This displacement may then be used to change an electrical parameter such as voltage, resistance, capacitance, or inductance. Such combination of mechanical and electrical elements form electromechanical transducing devices or sensor. Similar combination can be made for other energy input such as thermal. Photo, magnetic and chemical,giving thermoelectric, photoelectric,electromaanetic, and electrochemical sensor respectively.2 Sensor SensitivityThe relationship between the measured and the sensor output signal is usually obtained by calibration tests and is referred to as the sensor sensitivity K1= output-signal increment / measured increment . In practice, the sensor sensitivity is usually known, and, by measuring the output signal, the input quantity is determined from input= output-signal increment / K1.3 Characteristics of an Ideal SensorThe high sensor should exhibit the following characteristics.ahigh fidelity-the sensor output waveform shape be a faithful reproduction of the measured; there should be minimum distortion.bThere should be minimum interference with the quantity being measured; the presence of the sensor should not alter the measured in any way.cSize. The sensor must be capable of being placed exactly where it is needed.dThere should be a linear relationship between the measured and the sensor signal. eThe sensor should have minimum sensitivity to external effects, pressure sensor,for example,are often subjected to external effects such vibration and temperature.fThe natural frequency of the sensor should be well separated from the frequency and harmonics of the measurand.Sensors can be divided into the following categories：1 Electrical SensorElectrical sensor exhibit many of the ideal characteristics. In addition they offer high sensitivity as well as promoting the possible of remote indication or mesdurement.Electrical sensor can be divided into two distinct groups:avariable-control-parameter types,which include:iresistanceiicapacitanceiiiinductanceivmutual-inductance typesThese sensor all rely on external excitation voltage for their operation.bself-generating types,which includeielectromagneticiithermoelectriciiiphotoemissiveivpiezo-electric typesThese all themselves produce an output voltage in response to the measurand input and their effects are reversible. For example, a piezo-electric sensor normally produces an output voltage in response to the deformation of a crystalline material; however, if an alternating voltage is applied across the material, the sensor exhibits the reversible effect by deforming or vibrating at the frequency of the alternating voltage.2 Resistance SensorResistance sensor may be divided into two groups, as follows:iThose which experience a large resistance change, measured by using potential-divider methods. Potentiometers are in this group.iiThose which experience a small resistance change, measured by bridge-circuit methods. Examples of this group include strain gauges and resistance thermometers.3 Capacitive SensorThe capacitance can thus made to vary by changing either the relative permittivity, the effective area, or the distance separating the plates. The characteristic curves indicate that variations of area and relative permittivity give a linear relationship only over a small range of spacings. Thus the sensitivity is high for small values of d. Unlike the potentionmeter, the variable-distance capacitive sensor has an infinite resolution making it most suitable for measuring small increments of displacement or quantities which may be changed to produce a displacement.4 Inductive SensorThe inductance can thus be made to vary by changing the reluctance of the inductive circuit.Measuring techniques used with capacitive and inductive sensor:aA.C. excited bridges using differential capacitors inductors.bA.C. potentiometer circuits for dynamic measurements.cD.C. circuits to give a voltage proportional to velocity for a capacitor. dFrequency-modulation methods, where the change of C or L varies the frequency of an oscillation circuit.Important features of capacitive and inductive sensor are as follows:iresolution infiniteiiaccuracy±0.1% of full scale is quotediiidisplacement ranges 2510-6 m to 10-3mivrise time less than 50us possibleTypical measurands are displacement, pressure, vibration, sound, and liquid level.5 Linear Variable-differential Ttransformer6 Piezo-electric Sensor7 Electromagnetic Sensor8 Thermoelectric Sensor9 Photoelectric Cells10 Mechanical Sensor and Sensing ElementsIn information age, the information industry includes information gathering, transmission, process three parts, namely sensor technology, communication, computer technology. Because of ultra large scale integrated circuit’s rapid development after having been developed Modern computer technology and communication, not only requests sensor precision reliability, speed ofresponse and gain information content request more and more high but also requests its cost to be inexpensive. The obvious traditional sensor is eliminated gradually because of the function, the characteristic, the volume, the cost and so on. As world develop many countries are speeding up to the sensor new technology’s research and the development, and all has obtained the enormous breakthrough. Now the sensor new technology development mainly has following several aspects:Using the physical phenomenon, the chemical reaction, the biological effect as the sensor principle therefore the researches which discovered the new phenomenon and the new effect are the sensor technological improving ways .it is important studies to developed new sensor’s the foundation. Japanese Sharp Corporation uses the superconductivity technology to develop successfully the high temperature superconductivity magnetic sensor and get the sensor technology significant breakthrough. Its sensitivity is so high and only inferior in the superconductivity quantum interference component. Its manufacture craft is far simpler than the superconductivity quantum interference component. May use in magnetism image formation technology. So it has the widespread promoted value.Using the immune body and the antigen meets one another compound when the electrode surface. It can cause the electrode potential change and use this phenomenon to be possible to generate the immunity sensor. The immunity sensor makes with this kind of immune body may to some organism in whether has this kind of ant original work inspection. Like may inspect somebody with the hepatitis virus immune body whether contracts the hepatitis, plays to is fast, the accurate role. The US UC sixth branch has developed this kind of sensor.The sensor material is the important foundation for sensor technology, because the materials science is progressive and the people may make each kind of new sensor For example making the temperature sensor with the high polymer thin film; The optical fiber can make the pressure, the current capacity, the temperature, the displacement and so on the many kinds of sensors; Making the pressure transmitter with the ceramics. The high polymer can become the proportion adsorption and the release hydrogen along with the environment relative humidity size. The high polymer electricity lies betweenthe constant to be small, the hydrogen can enhance the polymer the coefficient of dialectical loss. Making the capacitor the high polymer dielectric medium, determines the electric capacity cape city the change, then obtains the relative humidity. Making the plasma using this principle to gather the legitimate polystyrene film temperature sensor below, it has the characteristic.Measured the wet scope is wide; The temperature range is wide, may reach -400 ℃ ~ +1,500 ℃; The speed of response is quick, is smaller than 1S; The size is small, may use in the small space measuring wet; The temperature coefficient is small.The ceramic electric capacity type pressure transmitter is one kind does not have the intermediary fluid the dry type pressure transmitter. Uses the advanced ceramic technology, the heavy film electronic technology, its technical performance is stable, the year drifting quantity is smaller than 0.1%F.S, warm floats is smaller than ±0.15%/10K, anti- overloads strongly, may reach the measuring range several hundred times. The survey scope may from 0 to 60mpa.German E+H Corporation and the American Kahlo Corporation product is at the leading position.The optical fiber application is send the material significant breakthrough, its uses in most early the optical communication techniques. In the optical communication use discovered works as environmental condition change and so on the temperature, pres-sure, electric field, magnetic field, causes the fiber optic transmission light wave intensity, the phase, the frequency, change and so on the polarization condition, the survey light wave quantity change, may know causes these light wave physical quantity the and so on quantitative change temperature, pressure ,electric field, magnetic field size, uses these principles to be possible to develop the optical fiber sensor. The optical fiber sensor and the traditional sensor compare has many characteristics: Sensitivity high, the structure simple, the volume small, anti-corrosive, the electric insulation good, the path of rays may be curving, be advantageous for the realization telemeter and so on. Optical fiber sensor Japan is in the advanced level. Like Idec Izumi Corporation and Sun x Corporation. The optical fiber send receiver and the integrated path of rays technology unify, accelerates the optical fiber sensor technology development. Will integrate the path of ray’s component to replace the original optics part and the passive light component;enable the optical fiber sensor to have the high band width, the low signal processing voltage, the reliability high, the cost will be low.In semiconductor technology processing method oxygenation, the photo etc hang, the proliferation, the deposition, the plane electron craft, various guides corrosion and steams plates, the sputtering thin film and so on, these have all introduced to the sensor manufacture. Thus has produced each kind of new sensor, like makes the silicon micro sensor using the semiconductor technology, makes the fast response using the thin film craft the gas to be sensitive, the wet sensitive sensor, the use sputtering thin film craft system pressure transmitter and so on..The Japanese horizontal river company uses various guides’ corrosion technology to carry on the high accuracy three dimensional processing; the system helps the silicon resonance type pressure transmitter. The core partially presses two resonant Liang by the feeling which above the silicon diaphragm and the silicon diaphragm manufactures to form, two resonant Liang's frequency difference correspondence different pressure, measures the pressure with the frequency difference method, may eliminate the error which factor and so on ambient temperature brings. When ambient temperature change, two resonant Liang frequencies and the amplitude variation are same, after two frequency differences, its same change quantity can counterbalance mutually. It’s survey most high accuracy may reach 0.01%FS.American Silicon Microstructure Inc.SMI the company develops a series of low ends, linear in 0.1% to 0.In 65% scope silicon micro pressure transmitter, the lowest full measuring range is 0.15psi 1KPa, it makes take the silicon as the material, has the unique three dimensional structure, the light slight machine-finishing, makes the wheat stone bridge many times with the etching on the silicon diaphragm, when above silicon chip stress, it has the distortion, the resistance produces presses the anti- effect but to lose the bridge balance, the output and the pressure becomes the proportion the electrical signal.Such silicon micro sensor is the front technology which now the sensor develops, Its essential feature is the sensitive unit volume is a micron magnitude, Is the traditional sensor several dozens, several 1%. In aspect and so on industry control, aerospace domain, biomedicine has the vital role, like on the airplane the use may reduce the airplane weight, reduces the energy.Another characteristic is can be sensitive is small surveyed, may make the blood pressure pressure transmitter.The Chinese aviation main corporation Beijing observation and control technical research institute, the development CYJ series splashes thanks the membrane pressure transmitter is uses the ion sputtering craft to process the metal strain gauge, it has over come the nonmetallic strain gauge easily the temperature influence insufficiency, has the high stability, is suitable in each kind of situation, is measured the medium scope widely, but also overcame the tradition lowly to glue the precision which the type brought, sluggish big, shortcoming and so on slow change, had the precision high, the re-liability is high, the volume small characteristic, widely used in domain and so on aviation, petroleum, chemical industry, medical service.Integrates the sensor the superiority is the traditional sensor is unable to achieve, it is a simple sensor not merely, it in at the same time the auxiliary circuit part and send the part will integrate on together the chip, will caus e it to have the calibration, to compensate, from the diagnosis and the network correspondence function, it might reduce the cost, the gain in yield, this kind of blood pressure sensor which American LUCAS, NOVASENSOR Corporation will develop, each week will be able to produce 10,000.The intellectualized sensor is one kind of belt microprocessor sensor, is achievement which the microcomputer and the sensor unifies, it has at the same time the examination, the judgment and the information processing function, compares with the traditional sensor has very many characteristics: Has the judgment and the information processing function, can carry on the revision, the error to the observed value compensates, thus enhancement measuring accuracy; May realize the multi-sensor multi parameters survey; Has from the diagnosis and from the calibration function, enhances the reliability; The survey data may deposit and withdraw, easy to operate; Has the data communication interface, can and the microcomputer direct communication.The sensor, the signal adjustment electric circuit, the monolithic integrated circuit integration forms ultra large-scale integrated on a chip the senior intelligence sensor. American HONY WELL Corporation ST-3000 intelligence sensor, the chip size only then has 3×4×2mm3, uses the semiconductor craft,makes CPU, EPROM, the static pressure, the differential pressure, the temperature on the identical chip and so on three kind of sensitive units.The intellectualized sensor research and the development, US is at the leading position. American Space Agency when development spaceship called this kind of sensor for the clever sensor Smart Sensor, on the spaceship this kind of sensor is extremely important. Our country in this aspect research and development also very backward mainly is because our country semiconductor integrated circuit technological level is limited.The sensor’s development is changing day after day since especially the 80's humanities have entered into the high industrialization the information age, sensor techno-logy to renewal, higher technological development. US, Japan and so on developed country sensor technological development quickest, our country because the foundation is weak, the sensor technology compares with these developed countries has the big disparity. Therefore, we should enlarge to the sensor engineering research, the development investment, causes our country sensor technology and the foreign disparity reduces, promotes our country instrument measuring appliance industry and from the technical development.——FromSensor Technology Handbook,Jon Wilson,Newnes传感器新技术的发展传感器是一种能将物理量、化学量、生物量等转换成电信号的器件;输出信号有不同形式,如电压、电流、频率、脉冲等,能满足信息传输、处理、记录、显示、控制要求,是自动检测系统和自动控制系统中不可缺少的元件;如果把计算机比作大脑,那么传感器则相当于五官,传感器能正确感受被测量并转换成相应输出量,对系统的质量起决定性作用;自动化程度越高,系统对传感器要求越高;传感器的几个关键词：1传感器元件除特例外,大多数的传感器都由敏感元件、转换元件或控制元件组成;如振动膜、波纹管、应力管和应力环、低音管和悬臂都是敏感元件,它们对压力和力作出响应把物理量转变成位移;然后位移可以改变电参数,如电压、电阻、电容或者感应系数;机械式和电子式元件合并形成机电式传感设备或传感器;这样的组合可用来输入能量信号;热的,光的,磁的和化学的相互结合产生的热电式、光电式、电磁式和电化学式传感器;2 传感器灵敏度通过校正测量系统获得的被测物理量和传感器输出信号的关系叫做传感器灵敏度K1,也就是K1=输出信号增量/测量增量;实际中,传感器的灵敏度是已知的,并且通过测量输出信号,输入量由下式决定,输入量=输出信号增量/K1;3 理想传感器的特性a高保真性：传感器输出波形应该真实可靠地再现被测量,并且失真很小;b可测量最小的干扰,任何时候传感器的出现不能改变被测量;c尺寸：传感器必须能正确地放在所需的地方;d被测量和传感器信号之间应该有一个线性关系;e传感器对外部影响的灵敏度应该小,例如压力传感器经常受到外部振动和温度的影响;f传感器的固有频率应该避开被测量的频率和谐波;传感器可分为以下几类：1 电传感器电传感器具有许多理想特性;它们不仅实现远程测量和显示,还能提供高灵敏度; 电传感器可分为两大类;a变参数型,包括：i电阻式；ii电容式；iii自感应式；v互感应式；这些传感器的工作依靠外部电压;b自激型,包括：i电磁式；ii热电式；iii光栅式；iv压电式;这些传感器根据测量输入值产生输出电压,而且这一过程是可逆的;比如,在一般情况下,压电式传感器可根据晶体材料的变形产生一个输出电压；但是,如果在材料上施加一个可变电压,传感器可以通过变形或与变电压同频率的振动来体现可逆效应;2 电阻式传感器电阻式传感器可以分为两大类：i那些表现为大电阻变化的物理量可通过分压方式进行测量,电位器就属于此类; ii那些表现为小电阻变化的物理量可通过桥电路方式进行测量,这一类包括应变仪和电阻温度计;3 电容式传感器电容量随着相对介电常数、截面面积、或者极板间的距离的变化而变化;电容的特征曲线表明,在空间的一段范围内,截面面积和相对介电常数的变化与电容量变化成线性关系;不象电位器,变极距型电容传感器有无限的分辨率,这最适合测量微小的位移增量的位移;4 电感式传感器电感可以通过改变电感电路的阻抗来调节;电容式和电感式传感器的测量技术：a用差分式电容或电感作为交流电桥；b用交流电位计电路做动态测量；c用直流电路为电容器提供正比于容值变化的电压；d采用调频法,C或者L随着振荡电路频率的变化而改变;电容式和电感式传感器的一些重要特性如下：i分辨率无限ii精确到满量程的±0.1%iii位移范围从2510-6m到10-3miv上升时间小于50us典型的被测量是位移、压力、振动量、声音和液位;5 线性调压器6 压电式传感器7 电磁式传感器8 热电式传感器9 光电管10 机械式传感器及敏感元件在今天的信息时代里,信息产业包括信息采集、传输、处理三部分,即传感技术、通信技术、计算机技术;现代的计算机技术和通信技术由于超大规模集成电路的飞速发展,而已经充分发达后,不仅对传感器的精度、可靠性、响应速度、获取的信息量要求越来越高,还要求其成本低廉且使用方便;显然传统传感器因功能、特性、体积、成本等已难以满足而逐渐被淘汰;世界许多发达国家都在加快对传感器新技术的研究与开发,并且都已取得极大的突破;如今传感器新技术的发展,主要有以下几个方面：利用物理现象、化学反应、生物效应作为传感器原理,所以研究发现新现象与新效应是传感器技术发展的重要工作,是研究开发新型传感器的基础;日本夏普公司利用超导技术研制成功高温超导磁性传感器,是传感器技术的重大突破,其灵敏度高,仅次于超导量子干涉器件;它的制造工艺远比超导量子干涉器件简单;可用于磁成像技术,有广泛推广价值;利用抗体和抗原在电极表面上相遇复合时,会引起电极电位的变化,利用这一现象可制出免疫传感器;用这种抗体制成的免疫传感器可对某生物体内是否有这种抗原作检查;如用肝炎病毒抗体可检查某人是否患有肝炎,起到快速、准确作用;美国加州大学巳研制出这类传感器;传感器材料是传感器技术的重要基础,由于材料科学进步,人们可制造出各种新型传感器;例如用高分子聚合物薄膜制成温度传感器；光导纤维能制成压力、流量、温度、位移等多种传感器；用陶瓷制成压力传感器;高分子聚合物能随周围环境的相对湿度大小成比例地吸附和释放水分子;高分子电介常数小,水分子能提高聚合物的介电常数;将高分子电介质做成电容器,测定电容容量的变化,即可得出相对湿度;利用这个原理制成等离子聚合法聚苯乙烯薄膜温度传感器,其有以下特点：测湿范围宽；温度范围宽,可达-400℃～+1500℃；响应速度快,小于1S；尺寸小,可用于小空间测试；温度系数小;陶瓷电容式压力传感器是一种无中介液的干式压力传感器;采用先进的陶瓷技术和厚膜电子技术,其技术性能稳定,年漂移量小于0.1%F.S,温漂小于±0.15%/10K,抗过载强,可达量程的数百倍;测量范围可从0到60Mpa;德国E+H 公司和美国Kahlo公司产品处于领先地位;光导纤维的应用是传感材料的重大突破,其最早用于光通信技术;在光通信利用中发现当温度、压力、电场、磁场等环境条件变化时,引起光纤传输的光波强度、相位、频率、偏振态等变化,测量光波量的变化,就可知道导致这些光波量变化的温度、压力、电场、磁场等物理量的大小,利用这些原理可研制出光导纤维传感器;光纤传感器与传统传感器相比有许多特点：灵敏度高,结构简单、体积小、耐腐蚀、电绝缘性好、光路可弯曲、便于实现遥测等;光纤传感器日本处于先进水平;如IdecIzumi公司和Suns公司;光纤传感受器与集成光路技术相结合,加速光纤传感器技术的发展;将集成光路器件代替原有光学元件和无源光器件,使光纤传感器有高的带宽、低的信号处理电压,可靠性高,成本低;半导体技术中的加工方法有氧化、光刻、扩散、沉积、平面电子工艺,各向导性腐蚀及蒸镀,溅射薄膜等,这些都已引进到传感器制造;因而产生了各种新型传感器,如利用半导体技术制造出硅微传感器,利用薄膜工艺制造出快速响应的气敏、湿敏传感器,利用溅射薄膜工艺制压力传感器等;日本横河公司利用各向导性腐蚀技术进行高精度三维加工,制成全硅谐振式压力传感器;核心部分由感压硅膜片和硅膜片上面制作的两个谐振梁结成,两个谐振梁的频差对应不同的压力,用频率差的方法测压力,可消除环境温度等因素带来的误差;当环境温度变化时,两个谐振梁频率和幅度变化相同,将两个频率差后,其相同变化量就能够相互抵消;其测量最高精度可达0.01%FS;美国Silicon Microstructure IncSMI公司开发一系列低价位,线性度在0.1%到0.65%范围内的硅微压力传感器,最低满量程为0.15psi1KPa,其以硅为材料制成,具有独特的三维结构,轻细微机械加工,和多次蚀刻制成惠斯登电桥于硅膜片上,当硅片上方受力时,其产生变形,电阻产生压阻效应而失去电桥平衡,输出与压力成比例的电信号;象这样的硅微传感器是当今传感器发展的前沿技术,其基本特点是敏感元件体积为微米量级,是传统传感器的几十、几百分之一;在工业控制、航空航天领域、生物医学等方面有重要的作用,如飞机上利用可减轻飞机重量,减少能源;另一特点是能敏感微小被测量,可制成血压压力传感器;中国航空总公司北京测控技术研究所,研制的CYJ系列溅谢膜压力传感器是采用离子溅射工艺加工成金属应变计,它克服了非金属式应变计易受温度影响的不足,具有高稳定性,适用于各种场合,被测介质范围宽,还克服了传统粘贴式带来的精度低、迟滞大、蠕变等缺点,具有精度高、可靠性高、体积小的特点,广泛用于航空、石油、化工、医疗等领域;集成传感器的优势是传统传感器无法达到的,它不仅仅是一个简单的传感器,其将辅助电路中的元件与传感元件同时集成在一块芯片上,使之具有校准、补偿、自诊断和网络通信的功能,它可降低成本、增加产量,美国LUCAS、NOV ASENSOR公司开发的这种血压传感器,每星期能生产1万只;智能化传感器是一种带微处理器的传感器,是微型计算机和传感器相结合的成果,它兼有检测、判断和信息处理功能,与传统传感器相比有很多特点：具有判断和信息处理功能,能对测量值进行修正、误差补偿,因而提高测量精度；可实现多传感器多参数测量；有自诊断和自校准功能,提高可靠性；测量数据可存取,使用方便；有数据通信接口,能与微型计算机直接通信;把传感器、信号调节电路、单片机集成在一芯片上形成超大规模集成化的高级智能传感器;美国HONYWELL公司ST-3000型智能传感器,芯片尺寸才有3×4×2mm3,采用半导体工艺,在同一芯片上制成CPU、EPROM、静压、压差、温度等三种敏感元件;智能化传感器的研究与开发,美国处于领先地位;美国宇航局在开发宇宙飞船时称这种传感器为灵巧传感器Smart Sensor,在宇宙飞船上这种传感器是非常重要的;我国在这方面的研究与开发还很落后,主要是因为我国半导体集成电路工艺水平有限;传感器的发展日新月异,特别是80年代人类由高度工业化进入信息时代以来,传感器技术向更新、更高的技术发展;美国、日本等发达国家的传感器技术发展最快,我国由于基础薄弱,传感器技术与这些发达国家相比有较大的差距;因此,我们应该加大对传感器技术研究、开发的投入,使我国传感器技术与外国差距缩短,促进我国仪器仪表工业和自化化技术的发展;摘自——传感器技术手册,Jon Wilson,Newnes。
用专业英语介绍自动化发展的作文
用专业英语介绍自动化发展的作文英文回答：Automation has revolutionized various industries, transforming the way we work and live. It involves the useof technology to perform tasks that were previously done manually, increasing efficiency, productivity, and accuracy. The evolution of automation has been driven by advancements in artificial intelligence (AI), robotics, and data analytics.Historical Development:Early Automation (18th Century): The Industrial Revolution marked the inception of automation with the introduction of mechanical looms and steam engines.Robotic Automation (Mid-20th Century): The development of industrial robots automated complex tasks in manufacturing, automotive, and aerospace industries.Computer-Aided Automation (1970s): Computers played a pivotal role in automating tasks, enabling industries to manage complex processes and systems.Intelligent Automation (21st Century): AI and machine learning technologies have brought about a new era of automation, allowing for cognitive tasks and decision-making to be automated.Current Trends:Cognitive Automation: AI-powered systems can perform complex tasks that require human-like intelligence, such as natural language processing and image recognition.Data-Driven Automation: Advanced analytics and machine learning algorithms automate decision-making based on vast amounts of data.Robotic Process Automation (RPA): Software robots can mimic human actions to automate repetitive and rule-basedtasks.Process Mining: Automation tools leverage data mining techniques to analyze business processes and identify automation opportunities.Applications and Benefits:Increased Efficiency and Productivity: Automation accelerates processes, reduces errors, and frees up human resources for more valuable tasks.Cost Reduction: Automation reduces labor costs and improves resource utilization.Improved Quality: Automated systems can maintain consistent quality standards and reduce product defects.Enhanced Customer Experience: Automated customer service and personalized recommendations improve customer satisfaction.Innovation and Growth: Automation allows organizations to explore new products, services, and markets by freeing up resources for innovation.Challenges and Future Outlook:Job Displacement: Automation can lead to workforce displacement, requiring governments and businesses to address retraining and job creation.Ethical Considerations: Automated systems may raise ethical concerns in areas such as privacy, bias, and accountability.Technological Limitations: Automation is still limited in areas requiring high levels of human creativity, judgment, and empathy.In the future, automation is expected to continue to evolve, driven by advancements in AI, quantum computing, and human-robot collaboration. The integration of automation into various sectors will transform industries,create new job opportunities, and provide unprecedented opportunities for innovation and economic growth.中文回答：自动化的发展。
自动化专业外文文献
Development of Sensor New TechnologySensor is one kind component which can transform the physical quantity, chemistry quantity and the biomass into electrical signal、The output signal has the different forms like the voltage, the electric current, the frequency, the pulse and so on, which can satisfy the signal transmission, processing, recording, and demonstration and control demands、So it is the automatic detection system and in the automatic control industry 、If automatic Technology is used wider, then sensor is more important、Several key words of the sensor:1 Sensor ElementsAlthough there are exception ,most sensor consist of a sensing element and a conversion or control element、For example, diaphragms,bellows,strain tubes and rings, bourdon tubes, and cantilevers are sensing elements which respond to changes in pressure or force and convert these physical quantities into a displacement、This displacement may then be used to change an electrical parameter such as voltage, resistance, capacitance, or inductance、Such combination of mechanical and electrical elements form electromechanical transducing devices or sensor、Similar combination can be made for other energy input such as thermal、Photo, magnetic and chemical,giving thermoelectric, photoelectric,electromaanetic, and electrochemical sensor respectively、2 Sensor SensitivityThe relationship between the measured and the sensor output signal is usually obtained by calibration tests and is referred to as the sensor sensitivity K1= output-signal increment / measured increment 、In practice, the sensor sensitivity is usually known, and, by measuring the output signal, the input quantity is determined from input= output-signal increment / K1、3 Characteristics of an Ideal SensorThe high sensor should exhibit the following characteristics、(a)high fidelity-the sensor output waveform shape be a faithful reproduction of the measured; there should be minimum distortion、(b)There should be minimum interference with the quantity being measured; the presence of the sensor should not alter the measured in any way、(c)Size、The sensor must be capable of being placed exactly where it is needed、(d)There should be a linear relationship between the measured and the sensor signal、(e)The sensor should have minimum sensitivity to external effects, pressure sensor,for example,are often subjected to external effects such vibration and temperature、(f)The natural frequency of the sensor should be well separated from the frequency and harmonics of the measurand、Sensors can be divided into the following categories:1 Electrical SensorElectrical sensor exhibit many of the ideal characteristics、In addition they offer high sensitivity as well as promoting the possible of remote indication or mesdurement、Electrical sensor can be divided into two distinct groups:(a)variable-control-parameter types,which include:(i)resistance(ii)capacitance(iii)inductance(iv)mutual-inductance typesThese sensor all rely on external excitation voltage for their operation、(b)self-generating types,which include(i)electromagnetic(ii)thermoelectric(iii)photoemissive(iv)piezo-electric typesThese all themselves produce an output voltage in response to the measurand input and their effects are reversible、For example, a piezo-electric sensor normally produces an output voltage in response to the deformation of a crystalline material; however, if an alternating voltage is applied across the material, the sensor exhibits the reversible effect by deforming or vibrating at the frequency of the alternating voltage、2 Resistance SensorResistance sensor may be divided into two groups, as follows:(i)Those which experience a large resistance change, measured by using potential-divider methods、Potentiometers are in this group、(ii)Those which experience a small resistance change, measured by bridge-circuit methods、Examples of this group include strain gauges and resistance thermometers、3 Capacitive SensorThe capacitance can thus made to vary by changing either the relative permittivity, the effective area, or the distance separating the plates、The characteristic curves indicate that variations of area and relative permittivity give a linear relationship only over a small range of spacings、Thus the sensitivity is high for small values of d、 Unlike the potentionmeter, the variable-distance capacitive sensor has an infinite resolution making it most suitable for measuring small increments of displacement or quantities which may be changed to produce a displacement、4 Inductive SensorThe inductance can thus be made to vary by changing the reluctance of the inductive circuit、Measuring techniques used with capacitive and inductive sensor:(a)A、C、excited bridges using differential capacitors inductors、(b)A、C、potentiometer circuits for dynamic measurements、(c)D、C、circuits to give a voltage proportional to velocity for a capacitor、(d)Frequency-modulation methods, where the change of C or L varies the frequency of an oscillation circuit、Important features of capacitive and inductive sensor are as follows:(i)resolution infinite(ii)accuracy±0、1% of full scale is quoted(iii)displacement ranges 25*10-6 m to 10-3m(iv)rise time less than 50us possibleTypical measurands are displacement, pressure, vibration, sound, and liquid level、5 Linear Variable-differential Ttransformer6 Piezo-electric Sensor7 Electromagnetic Sensor8 Thermoelectric Sensor9 Photoelectric Cells10 Mechanical Sensor and Sensing ElementsIn information age, the information industry includes information gathering, transmission, process three parts, namely sensor technology, communication, computer technology、Because of ultra large scale integrated circuit’s rapid development after having been developed Modern computer technology and communication, not only requests sensor precision reliability, speed ofresponse and gain information content request more and more high but also requests its cost to be inexpensive、The obvious traditional sensor is eliminated gradually because of the function, the characteristic, the volume, the cost and so on、As world develop many countries are speeding up to the sensor new technology’s research and the development, and all has obtained the enormous breakthrough、Now the sensor new technology development mainly has following several aspects:Using the physical phenomenon, the chemical reaction, the biological effect as the sensor principle therefore the researches which discovered the new phenomenon and the new effect are the sensor technological improving ways 、it is important studies to developed ne w sensor’s the foundation、Japanese Sharp Corporation uses the superconductivity technology to develop successfully the high temperature superconductivity magnetic sensor and get the sensor technology significant breakthrough、Its sensitivity is so high and only inferior in the superconductivity quantum interference component、Its manufacture craft is far simpler than the superconductivity quantum interference component、May use in magnetism image formation technology、So it has the widespread promoted value、Using the immune body and the antigen meets one another compound when the electrode surface、It can cause the electrode potential change and use this phenomenon to be possible to generate the immunity sensor、The immunity sensor makes with this kind of immune body may to some organism in whether has this kind of ant original work inspection、Like may inspect somebody with the hepatitis virus immune body whether contracts the hepatitis, plays to is fast, the accurate role、The US UC sixth branch has developed this kind of sensor、The sensor material is the important foundation for sensor technology, because the materials science is progressive and the people may make each kind of new sensor For example making the temperature sensor with the high polymer thin film; The optical fiber can make the pressure, the current capacity, the temperature, the displacement and so on the many kinds of sensors; Making the pressure transmitter with the ceramics、The high polymer can become the proportion adsorption and the release hydrogen along with the environment relative humidity size、The high polymer electricitylies between the constant to be small, the hydrogen can enhance the polymer the coefficient of dialectical loss、Making the capacitor the high polymer dielectric medium, determines the electric capacity cape city the change, then obtains the relative humidity、Making the plasma using this principle to gather the legitimate polystyrene film temperature sensor below, it has the characteristic、Measured the wet scope is wide; The temperature range is wide, may reach -400 ℃ ~ +1,500 ℃; The speed of response is quick, is smaller than 1S; The size is small, may use in the small space measuring wet; The temperature coefficient is small、The ceramic electric capacity type pressure transmitter is one kind does not have the intermediary fluid the dry type pressure transmitter、Uses the advanced ceramic technology, the heavy film electronic technology, its technical performance is stable, the year drifting quantity is smalle r than 0、1%F、S, warm floats is smaller than ±0、15%/10K, anti- overloads strongly, may reach the measuring range several hundred times、The survey scope may from 0 to 60mpa、German E+H Corporation and the American Kahlo Corporation product is at the leading position、The optical fiber application is send the material significant breakthrough, its uses in most early the optical communication techniques、In the optical communication use discovered works as environmental condition change and so on the temperature, pres-sure, electric field, magnetic field, causes the fiber optic transmission light wave intensity, the phase, the frequency, change and so on the polarization condition, the survey light wave quantity change, may know causes these light wave physical quantity the and so on quantitative change temperature, pressure ,electric field, magnetic field size, uses these principles to be possible to develop the optical fiber sensor、The optical fiber sensor and the traditional sensor compare has many characteristics: Sensitivity high, the structure simple, the volume small, anti-corrosive, the electric insulation good, the path of rays may be curving, be advantageous for the realization telemeter and so on、Optical fiber sensor Japan is in the advanced level、Like Idec Izumi Corporation and Sun x Corporation、The optical fiber send receiver and the integrated path of rays technology unify, accelerates the optical fiber sensor technology development、Will integrate the path of ray’scomponent to replace the original optics part and the passive light component; enable the optical fiber sensor to have the high band width, the low signal processing voltage, the reliability high, the cost will be low、In semiconductor technology processing method oxygenation, the photo etc hang, the proliferation, the deposition, the plane electron craft, various guides corrosion and steams plates, the sputtering thin film and so on, these have all introduced to the sensor manufacture、Thus has produced each kind of new sensor, like makes the silicon micro sensor using the semiconductor technology, makes the fast response using the thin film craft the gas to be sensitive, the wet sensitive sensor, the use sputtering thin film craft system pressure transmitter and so on、、The Japanese hor izontal river company uses various guides’ corrosion technology to carry on the high accuracy three dimensional processing; the system helps the silicon resonance type pressure transmitter、The core partially presses two resonant Liang by the feeling which above the silicon diaphragm and the silicon diaphragm manufactures to form, two resonant Liang's frequency difference correspondence different pressure, measures the pressure with the frequency difference method, may eliminate the error which factor and so on ambient temperature brings、When ambient temperature change, two resonant Liang frequencies and the amplitude variation are same, after two frequency differences, its same change quantity can counterbalance mutually、It’s survey most high accuracy may reach 0、01%FS、American Silicon Microstructure Inc、(SMI) the company develops a series of low ends, linear in 0、1% to 0、In 65% scope silicon micro pressure transmitter, the lowest full measuring range is 0、15psi (1KPa), it makes take the silicon as the material, has the unique three dimensional structure, the light slight machine-finishing, makes the wheat stone bridge many times with the etching on the silicon diaphragm, when above silicon chip stress, it has the distortion, the resistance produces presses the anti- effect but to lose the bridge balance, the output and the pressure becomes the proportion the electrical signal、Such silicon micro sensor is the front technology which now the sensor develops, Its essential feature is the sensitive unit volume is a micron magnitude, Is the traditional sensor several dozens, several 1%、In aspect andso on industry control, aerospace domain, biomedicine has the vital role, like on the airplane the use may reduce the airplane weight, reduces the energy、Another characteristic is can be sensitive is small surveyed, may make the blood pressure pressure transmitter、The Chinese aviation main corporation Beijing observation and control technical research institute, the development CYJ series splashes thanks the membrane pressure transmitter is uses the ion sputtering craft to process the metal strain gauge, it has over come the nonmetallic strain gauge easily the temperature influence insufficiency, has the high stability, is suitable in each kind of situation, is measured the medium scope widely, but also overcame the tradition lowly to glue the precision which the type brought, sluggish big, shortcoming and so on slow change, had the precision high, the re-liability is high, the volume small characteristic, widely used in domain and so on aviation, petroleum, chemical industry, medical service、Integrates the sensor the superiority is the traditional sensor is unable to achieve, it is a simple sensor not merely, it in at the same time the auxiliary circuit part and send the part will integrate on together the chip, will cause it to have the calibration, to compensate, from the diagnosis and the network correspondence function, it might reduce the cost, the gain in yield, this kind of blood pressure sensor which American LUCAS, NOVASENSOR Corporation will develop, each week will be able to produce 10,000、The intellectualized sensor is one kind of belt microprocessor sensor, is achievement which the microcomputer and the sensor unifies, it has at the same time the examination, the judgment and the information processing function, compares with the traditional sensor has very many characteristics: Has the judgment and the information processing function, can carry on the revision, the error to the observed value compensates, thus enhancement measuring accuracy; May realize the multi-sensor multi parameters survey; Has from the diagnosis and from the calibration function, enhances the reliability; The survey data may deposit and withdraw, easy to operate; Has the data communication interface, can and the microcomputer direct communication、The sensor, the signal adjustment electric circuit, the monolithic integrated circuit integration forms ultra large-scale integrated on a chip the seniorintelligence sensor、American HONY WELL Corporation ST-3000 intelligence sensor, the chip size only then has 3×4×2mm3, uses the semiconductor craft, makes CPU, EPROM, the static pressure, the differential pressure, the temperature on the identical chip and so on three kind of sensitive units、The intellectualized sensor research and the development, US is at the leading position、American Space Agency when development spaceship called this kind of sensor for the clever sensor (Smart Sensor), on the spaceship this kind of sensor is extremely important、Our country in this aspect research and development also very backward mainly is because our country semiconductor integrated circuit technological level is limited、The sensor’s development is changing day after day since especially the 80's humanities have entered into the high industrialization the information age, sensor techno-logy to renewal, higher technological development、US, Japan and so on developed country sensor technological development quickest, our country because the foundation is weak, the sensor technology compares with these developed countries has the big disparity、Therefore, we should enlarge to the sensor engineering research, the development investment, causes our country sensor technology and the foreign disparity reduces, promotes our country instrument measuring appliance industry and from the technical development、——From《Sensor Technology Handbook》,Jon Wilson,Newnes传感器新技术的发展传感器就是一种能将物理量、化学量、生物量等转换成电信号的器件。
机械设计制造及其自动化毕业论文中英文资料外文翻译
机械设计创造及其自动化毕业论文外文文献翻译INTEGRATION OF MACHINERY译文题目专业机械设计创造及其自动化外文资料翻译INTEGRATION OF MACHINERY（From ELECTRICAL AND MACHINERY INDUSTRY）ABSTRACTMachinery was the modern science and technology development inevitable result, this article has summarized the integration of machinery technology basic outline and the development background .Summarized the domestic and foreign integration of machinery technology present situation, has analyzed the integration of machinery technology trend of development.Key word： integration of machinery ，technology， present situation ，product t，echnique of manufacture ，trend of development0. Introduction modern science and technology unceasing development, impelled different discipline intersecting enormously with the seepage, has caused the project domain technological revolution and the transformation .In mechanical engineering domain, because the microelectronic technology and the computer technology rapid development and forms to the mechanical industry seepage the integration of machinery, caused the mechanical industry the technical structure, the product organization, the function and the constitution, the production method and the management systemof by machinery for the characteristic integration ofdevelopment phase.1. Integration of machinery outline integration of machinery is refers in the organization new owner function, the power function, in the information processing function and the control function introduces the electronic technology, unifies the system the mechanism and the computerization design and the software which constitutes always to call. The integration of machinery development also has become one to have until now own system new discipline, not only develops along with the science and technology, but also entrusts with the new content .But its basic characteristic may summarize is: The integration of machinery is embarks from the system viewpoint, synthesis community technologies and so on utilization mechanical technology, microelectronic technology, automatic control technology, computer technology, information technology, sensing observation and control technology, electric power electronic technology, connection technology, information conversion technology as well as software programming technology, according to the system function goal and the optimized organization goal, reasonable disposition and the layout various functions unit, in multi-purpose, high grade, redundant reliable, in the low energy consumption significance realize the specific function value, and causes the overall system optimization the systems engineering technology .From this produces functional system, then becomes an integration of machinery systematic or the integration of machinery product. Therefore, of coveringtechnology is based on the above community technology organic fusion one kind of comprehensive technology, but is not mechanical technical, the microelectronic technology as well as other new technical simple combination, pieces together .This is the integration of machinery and the machinery adds the machinery electrification which the electricity forms in the concept basic difference .The mechanical engineering technology has the merely technical to develop the machinery electrification, still was the traditional machinery, its main function still was replaces with the enlargement physical strength .But after develops the integration of machinery, micro electron installment besides may substitute for certain mechanical parts the original function, but also can entrust with many new functions,like the automatic detection, the automatic reduction information, demonstrate the record, the automatic control and the control automatic diagnosis and the protection automatically and so on .Not only namely the integration of machinery product is human's hand and body extending, human's sense organ and the brains look, has the intellectualized characteristic is the integration of machinery and the machinery electrification distinguishes in the function essence.2. Integration of machinery development condition integration of machinery development may divide into 3 stages roughly.20th century 60's before for the first stage, this stage is called the initial stage .In this time, the people determination not on own initiative uses the electronic technology the preliminary achievement to consummate the mechanical product the performance .Specially in Second World War period, the war has stimulated the mechanical product and the electronic technology union, these mechanical and electrical union military technology, postwar transfers civilly, to postwar economical restoration positive function .Developed and the development at that time generally speaking also is at the spontaneouscondition .Because at that time the electronic technology development not yet achieved certain level, mechanical technical and electronic technology union also not impossible widespread and thorough development, already developed the product was also unable to promote massively. The 20th century 70~80 ages for the second stage, may be called the vigorous development stage .This time, the computer technology, the control technology, the communication development, has laid the technology base for the integration of machinery development . Large-scale, ultra large scale integrated circuit and microcomputer swift and violent development, has provided the full material base for the integration of machinery development .This time characteristic is :①A mechatronics word first generally is accepted in Japan, probably obtains the quite widespread acknowledgment to 1980s last stages in the worldwide scale ;②The integration of machinery technology and the product obtained the enormous development ;③The various countries start to the integration of machinery technology and the product give the very big attention and the support. 1990s later periods, started the integration of machinery technology the new stagewhich makes great strides forward to the intellectualized direction, the integration of machinery enters the thorough development time .At the same time, optics, the communication and so on entered the integration of machinery, processes the technology also zhan to appear tiny in the integration of machinery the foot, appeared the light integration of machinery and the micro integration of machinery and so on the new branch; On the other hand to the integration of machinery system modeling design, the analysis and the integrated method, the integration of machinery discipline system and the trend of development has all conducted the thorough research .At the same time, because the hugeprogress which domains and so on artificial intelligence technology, neural network technology and optical fiber technology obtain, opened the development vast world for the integration of machinery technology .These research, will urge the integration of machinery further to establish the integrity the foundation and forms the integrity gradually the scientific system. Our country is only then starts from the beginning of 1980s in this aspect to study with the application .The State Councilsummary had considered fully on international the influence which and possibly brought from this about the integration of machinery technology developmenttrend .Many universities, colleges and institutes, the development facility and some large and middle scale enterprises have done the massive work to this technical development and the application, does not yield certain result, but and so on the advanced countries compared with Japan still has the suitable disparity.3. Integration of machinery trend of development integrations of machinery are the collection machinery, the electron, optics, the control, the computer, the information and so on the multi-disciplinary overlapping syntheses, its development and the progress rely on and promote the correlation technology development and the progress .Therefore, the integration of machinery main development direction is as follows:3.1 Intellectualized intellectualizations are 21st century integration of machinery technological development important development directions .Theartificial intelligence obtains day by day in the integration of machinery constructor's research takes, the robot and the numerical control engine bedis to the machine behavior description, is in the control theory foundation, the absorption artificial intelligence, the operations research, the computer science, the fuzzy mathematics, the psychology, the physiology and the chaos dynamics and so on the new thought, the new method, simulate the human intelligence, enable it to have abilities and so on judgment inference, logical thinking, independent decision-making, obtains the higher control goal in order to .Indeed, enable the integration of machinery product to have with the human identical intelligence, is not impossible, also is nonessential .But, the high performance, the high speed microprocessor enable the integration of machinery product to have preliminary intelligent or human's partial intelligences, then is completely possible and essential.In the modern manufacture process, the information has become the control manufacture industry the determining factor, moreover is the most active actuation factor .Enhances the manufacture system information-handling capacity to become the modern manufacture science development a key point .As a result of the manufacture system information organization and structure multi-level, makes the information the gain, the integration and the fusion presents draws up the character, information measure multi-dimensional, as well as information organization's multi-level .In the manufacture information structural model, manufacture information uniform restraint, dissemination processing and magnanimous data aspects and so on manufacture knowledge library management, all also wait for further break through.Each kind of artificial intelligence tool and the computation intelligence method promoted the manufacture intelligence development in the manufacture widespread application .A kind based on the biological evolution algorithm computation intelligent agent, in includes thescheduling problem in the combination optimization solution area of technology, receives the more and more universal attention, hopefully completes the combination optimization question when the manufacture the solution speed and the solution precision aspect breaks through the question scale in pairs the restriction .The manufacture intelligence also displays in: The intelligent dispatch, the intelligent design, the intelligent processing, the robot study, the intelligent control, the intelligent craft plan, the intelligent diagnosis and so on are various These question key breakthrough, may form the product innovation the basic research system. Between 2 modern mechanical engineering front science different science overlapping fusion will have the new science accumulation, the economical development and society's progress has had the new request and the expectation to the science and technology, thus will form the front science .The front science also has solved and between the solution scientific question border area .The front science has the obvious time domain, the domain and the dynamic characteristic .The project front science distinguished in the general basic science important characteristic is it has covered the key science and technology question which the project actual appeared.Manufacture system is a complex large-scale system, for satisfies the manufacture system agility, the fast response and fast reorganization ability, must profit from the information science, the life sciences and the social sciences and so on the multi-disciplinary research results, the exploration manufacture system new architecture, the manufacture pattern and the manufacture system effective operational mechanism .Makes the system optimization the organizational structure and the good movement condition is makes the system modeling , the simulation and the optimized essential target .Not only the manufacture system new architecture to makes the enterprise the agility and may reorganize ability to the demand response ability to have the vital significance, moreover to made the enterprise first floor production equipment the flexibility and may dynamic reorganization ability set a higher request .The biological manufacture view more and more many is introduced the manufacture system, satisfies the manufacture system new request.The study organizes and circulates method and technique of complicated system from the biological phenomenon, is a valid exit which will solve many hard nut to cracks that manufacturing industry face from now on currently .Imitating to living what manufacturing point is mimicry living creature organ of from the organization, from match more, from growth with from evolution etc. function structure and circulate mode of a kind of manufacturing system and manufacturing process.The manufacturing drives in the mechanism under, continuously by one's own perfect raise on organizing structure and circulating mode and thus to adapt the process of[with] ability for the environment .For from descend but the last product proceed together a design and make a craft rules the auto of the distance born, produce system of dynamic state reorganization and product and manufacturing the system tend automatically excellent provided theories foundation and carry out acondition .Imitate to living a manufacturing to belong to manufacturing science and life science of"the far good luck is miscellaneous to hand over", it will produce to the manufacturing industry for 21 centuries huge of influence .机电一体化摘要机电一体化是现代科学技术发展的必然结果,本文简述了机电一体化技术的基本概要和发展背景。
用专业英语介绍自动化发展的作文
用专业英语介绍自动化发展的作文英文回答：The development of automation has significantly changed the way we live and work. Automation refers to the use of various control systems for operating equipment such as machinery, processes in factories, boilers, and heat treating ovens, switching on telephone networks, steering, and stabilization of ships, aircraft, and otherapplications with minimal or reduced human intervention.For example, in the manufacturing industry, robots are used to perform repetitive tasks with high precision and efficiency, which has greatly improved productivity. In addition, automation has also been widely applied in the field of transportation, where self-driving cars and trucks are being developed to reduce the risk of human error and improve road safety.中文回答：自动化的发展显著改变了我们的生活和工作方式。
自动化是指利用各种控制系统来操作设备，如机械、工厂中的工艺过程、锅炉和热处理炉、电话网络的开关、船舶、飞机等的驾驶和稳定等应用，减少人为干预。
介绍自动化专业的英文作文
介绍自动化专业的英文作文英文：As an automation major, I have always been fascinatedby the way technology can simplify and streamline processes. Automation is all about using technology to make tasks more efficient and less labor-intensive. It involves designing, developing, and implementing systems that can operate on their own with minimal human intervention.One of the most interesting aspects of studying automation is learning about the various technologies that are used in the field. For example, I have had the opportunity to work with programmable logic controllers (PLCs), which are essential for controlling machinery and processes in a wide range of industries. I have alsolearned about industrial robots, which are used for tasks such as assembly, painting, and welding in manufacturing plants.Studying automation has also given me the chance towork on real-world projects that have allowed me to apply what I have learned in the classroom to practical situations. For instance, I have worked on a project to design an automated system for a warehouse that involved using sensors and actuators to control the movement of goods. It was incredibly rewarding to see the system in action and know that I had played a part in its development.In addition to the technical skills I have gained, studying automation has also taught me the importance of teamwork and communication. Many automation projectsrequire collaboration with engineers from different disciplines, as well as with clients and end-users.Learning how to effectively communicate and work as part of a team has been invaluable in preparing me for a career in the field.Overall, studying automation has been a challenging and rewarding experience. I have gained a deep understanding of the technologies and principles that drive automation, andI am excited to apply what I have learned to make a realimpact in the industry.中文：作为一个自动化专业的学生，我一直被技术如何简化和优化流程所吸引。
自动化专业外文翻译--自动控制的发展历史
HISTORY OF AUTOMATIC CONTROLFeedback control is the basic mechanism by which systems, whether mechanical, electrical, or biological, maintain their equilibrium or homeostasis. In the higher life forms, the conditions under which life can continue are quite narrow. A change in body temperature of half a degree is generally a sign of illness. The homeostasis of the body is maintained through the use of feedback control [Wiener 1948]. A primary contribution of CR Darwin during the last century was the theory that feedback over long time periods is responsible for the evolution of species. In 1931 V. V olterra explained the balance between two populations of fish in a closed pond using the theory of feedback.The use of feedback to control a system has a fascinating history .The first applications of feedback control appeared in the development of float regulator mechanisms in Greece in the period 300 to1B.C. The water clock of ktesibios used a float regulator. An oil lamp devised by Philon in approximately 250 B.C .Used a float regular in an oil lamp for maintaining a constant levels of fuel oil .Heron of Alexandria, who lived in the first century A.D, published a book entitled Pneumatica, which outlined several forms of water-level mechanisms using floating regulators The first feedback system to be invented in modern Europe was the temperature regulator of CornelisDrebb(1572-1633) of Holland Dennis Papin invented the first pressure regulator for steam boilers In 1681.Papin’s pressure regulator was a form of safety Regulator Similar to a pressure-cooker valve.Feedback control may be defined as the use of difference signals, determined by comparing the actual values of system variables to their desired values, as a means of controlling a system. An everyday example of a feedback control system is an automobile speed control, which uses the difference between the actual and the desired speed to vary the fuel flow rate. Since the system output is used to regulate its input, such a device is said to be a closed-loop control system.The first historical feedback system, claimed by Russia, is the water-level float regulator said to have been invented by I. Polzunov in 1765. The float detects the water level and controls the valve that covers the water inlet in the boiler.There have been many developments in automatic control theory during recent years. It is difficult to provide an impartial analysis of an area while it is still developing; however, looking back on the progress of feedback control theory it is by now possible to distinguish some main trends and point out some key advances. Feedback control is an engineering discipline. As such, its progress is closely tied to the practical problems that needed to be solved during any phase of human history. The key developments in the history of mankind that affected the progress of feedback control were:1、The preoccupation of the Greeks and Arabs with keeping accurate track of time.。
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中英文对照资料外文翻译文献Automation of professional developmentAutomation in the history of professional development, "industrial automation" professional and "control" professional development of the two main line, "industrial automation" professional from the first "industrial enterprises electrified" professional.In the 1950s, the New China was just founded, the 100-waste question, study the Soviet Union established system of higher education, Subdivision professional. Corresponding to the country in the construction of industrial automation and defense, military construction in automatic control, successively set up the "electrification of industrial enterprises" professional and "control" professional (at that time in many schools, "Control" professional secrecy is professional) . After several former professional name of evolution (see below), and gradually develop into a "biased towards applications, biased towards strong," Automation, and the latter to maintain professional name of "control" basically unchanged (in the early days also known as the "automatic learning And remote learning, "" Automatic Control System "professional), and gradually develop into a" biased towards theory, biased towards weak, "the automation professional, and come together in 1995, merged into aunified" automatic "professional . In 1998, according to the Ministry of Education announced the latest professional undergraduate colleges and universities directory, adjusted, the merger of the new "automated" professional include not only the original "automatic" professional (including "industrial automation" professional and "control" professional ), Also increased the "hydraulic transmission and control of" professional (part), "electrical technology" professional (part) and "aircraft guidance and control of" professional (part).Clearly, one of China's automation professional history of the development of China's higher education actually is a new development of the cause of a microcosm of the history, but also the history of New China industrial development of a miniature. Below "industrial automation" professional development of the main line of this example, a detailed review of its development process in the many professional name change (in real terms in the professional content changes) and its industrial building at the time of the close relationship.First a brief look at the world and China's professional division history. We know that now use the professional division is largely from the 19th century to the beginning of the second half of the first half of the 20th century stereotypes of the engineering, is basically industry (products) for the objects to the division, they have been the image of people Known as the "industry professionals" or "trade associations." At present the international education system in two categories, with Britain and the United States as the representative of the education system not yet out of "industry professionals" system, but has taken the "generalist" the road of education and the former Soviet Union for Europe (close to the Soviet Union) as the representative The education system, at the beginning of theimplementation of "professionals" education, professional-very small, although reforms repeatedly, but to the current "industry professionals" are still very obvious characteristics.In the 1950s, just after the founding of New China, a comprehensive study and the Soviet Union and sub-professional very small; Since reform and opening up, only to Britain and the United States to gradually as the representative of the education system to move closer, and gradually reduce the professional, the implementation of "generalist" education through a number of professional Restructuring and merger (the total number of professionals from the maximum of 1,343 kinds of gradually reducing the current 249 kinds), although not out of "industry professionals" and "Mei Ming," but many of the colleges and universities, mostly only one of a Professional, rather than the past more than a professional.Before that, China's first professional automation from the National University in 1952 when the first major readjustment of the establishment of professional - electrified professional industrial enterprises. At that time, the Soviet Union assistance to the construction of China's 156 large industrial enterprises, automation of much-needed electrical engineering and technical personnel, and such professional and technical personnel training, and then was very consistent with China's industrial construction. By the 1960s, professional name changed to "industrial electric and automation," the late 1970s when to resume enrollment "Electric Industrial Automation" professional. This is not only professional name changes, but has its profound meaning, it reflects China's industries from "electrified" step by step to the "automatic" into the real history and that part of the development trend of China's automation professional reflects how urgent countries Urgent for the country'seconomic construction services that period of history and development of real direction.1993, after four years of the third revision of the undergraduate professional directories, the State Education Commission issued a call "system integrity, more scientific and reasonable, the harmonization of norms," the "ordinary professional directory of undergraduate colleges and universities." "Electric Industrial Automation" and "production process automation" merger of the two professional electrician to set up a kind of "industrial automation" professional, by the then Ministry of Industry Machinery centralized management colleges and universities to set up industrial automation teaching guide at the Commission, responsible for the "Industrial Automation "professional teaching and guiding work at the same time," Control "was attributable to the professional category of electronic information, the then Ministry of Industry of electronic centralized management control to set up colleges and universities teaching guide at the Commission, responsible for the" control " Professional teaching guide our work. After the professional adjustment, further defined the "industrial automation" professional and "control" professional "- both strong and weak, hardware and software into consideration and control theory and practical system integration, and the movement control, process control and other targets of control "The common characteristics with the training objectives, but also the basic set of" industrial automation "biased towards strong, professional, biased towards applications," Control "professional biased towards weak, biased towards the theory of professional characteristics and pattern of division of labor. 1995, the State Education Commission promulgated the "(University) undergraduate engineering leading professional directory", the electrical category "industrialautomation" professional and the original electronic information such as "control" of professional electronic information into a new category of "automatic" professional . As this is the leading professional directory, are not enforced, coupled with general "industrial automation" strong or weak, both professional "into" a weak professional category of electronic information is not conducive to professional development and thus many Schools remain "industrial automation" professional and "control" the situation of professional co-exist. Since 1996 more, again commissioned by the Ministry of National Education Ministry of Industry and electronic machinery industries of other parts of the establishment of the new session (second session) centralized management guidance at the University Teaching Commission, making the leading professionals have not been effective Implemented.1998, to meet the country's economic construction of Kuan Koujing personnel training needs, further consolidation of professional and international "generalist" education track by the Ministry of Education announced a fourth revision of the latest "Universities Undergraduate Catalog." So far in the use of the directory, the total number of professionals from the third amendments to the 504 kinds of substantially reduced to 249 species, the original directory is strong, professional electrician and a weak professional category such as electronics and information into categories Electric power, the unity of Information, a former electrician at the same time kind of "industrial automation" professional and the type of electronic information "control" professional formal merger, together with the "hydraulic transmission and control of" professional (part) , "Electric technology" professional (part) and "aircraft guidance and controlof" professional (part), the composition of the new (enforcement) are electrical information such as "automatic" professional. According to statistics, so far the country has more than 200 colleges and universities set up this kind of "automatic" professional. If the name of automation as part of their professional expertise (such as "electrical engineering and automation," "mechanical design and manufacturing automation," "agricultural mechanization and automation" and other professionals) included Automation has undoubtedly is the largest in China A professional.Of the characteristics of China's automation professional:Recalling China's professional history of the development of automation, combined with the corresponding period of the construction of China's national economy to the demand for automation and automated the development of the cause, it is not difficult to sum up following professional characteristics:(1) China's automation professional is not only a relatively long history (since 1952 have been more than 50 years), and from the first day of the establishment of professional automation, has been a professional one of the countries in urgent need, therefore the number of students has also been The largest and most employers welcome the allocation of the professional one.(2) China's automation is accompanied by a professional from the electrification of China's industrial automation step by step to the development of stable development, professional direction and the main content from the first prominent electrified "the electrification of industrial enterprises" step by step for the development of both the electric and automation " Industrial electric and automation ", highlighting the electrical automation" Electric Industrial Automation "and prominent automation" industrial automation ", then the merger of professional education reform in1995 and" control "of professional content into a broader" automated " Professional. From which we can see that China's automation professional Although the initial study in the Soviet education system established under the general environment, but in their development and the Soviet Union or the United States and Britain did not copy the mode, but with China's national conditions (to meet national needs for The main goal) from the innovation and development of "cross-industry professionals," features the professional.自动化专业的发展自动化专业的发展历史中，有“工业自动化”专业与“自动控制”专业两条发展主线，其中“工业自动化”专业最早源于“工业企业电气化”专业。