圆筒型永磁同步直线电机本体设计与控制分析
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strong output,widely used and SO on.Based on this,the internal principles and basic
stmctllre of the tubular permanent magnet linear motor are introduced and the
剿位 腓 者 名
御先
哆 《‰ 醐肌
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I山多研崧缸雠倒掣必扣谚影垆U6fl月I\多l2日I坼I I1学o渤剿o92II山位净Ill论I 文版权使用授权书 阼占 江电缩允学志论本指易者文F 导月苏子印许位社文学咖教大杂或论将的位师学志其文本公论签、社他被全论布文名中有复查文(属;包国权制阅数编于括科保手和据入不刊学留段借库《保登技本保阅》中密)术人存,并国授口信所论同向优权。息送文时社秀江研交。授会博苏究学本权提硕大所位人中供士学、论电国查学研国文子科询位究家的文学,论生图复档技授文院书印的术权全办馆件内信中文理、和容息国数。中电和研学据国子纸究术库学文质所期》术档论将刊并期,文本(向光刊可的论社盘(以内文会光版采容编提盘)用相入电供版影一《子查)印致中杂Hale Waihona Puke Baidu、,国。
Power(BK2008228)”,a permanent magnet synchronous linear motor in the free piston
power generation engine is studied.The structural features in the design of tubular
electromagnetic field analysis and against the optimization of motor performance
related variables such as thrust fluctuations,the back-emf harmonic content and the air
permanent magnet linear motor is analysed.And the hardware circuit of the motor and
related platforms is built based on DSP development tools.The tubular permanent
圆筒型永磁同步直线电机本体设计与控制分析
江苏大学硕士学位论文
ABSTRACT
This thesis is supported by Jiangsu Province Natural Foundation“Modeling, Optimizing S臼mcture and Researching Control Strategies of the Free Piston Engine
1.1课题概述…………………………………………………………………………l 1.1.1课题来源………………………………………………………………….1 1.1.2课题研究的现状与背景………………………………………………….1
1.2直线电机概述……………………………………………………………………2 1.2.1永磁同步直线电机的基本原理………………………………………….2 1.2.2永磁同步直线电机的分类……………………………………………….3
the development status of the tubular linear motor s仃ucnlre design is analyzed.
Through the introduction of finite element theory applied in the the motor
2.1.1永磁同步电机在d-q轴下数学模型……………………………………..9 2.1.2永磁同步直线电机在x.Y轴下的数学模型……………………………10 2.3电磁场建模方法介绍…………………………………………………………一12 2.3.1麦克斯韦方程组…………………………………………………………13 2.3.2二维有限元计算过程…………………………………………………一1 5 2.3.3有限元模型的建立过程………………………………………………..15 2.4本章小结………………………………………………………………………一1 7 第三章永磁同步电机参数优化……………………………………………………一18 3.1电机仿真结构的说明…………………………………………………………一l 8 3.2永磁材料的选择………………………………………………………………一1 9 3.3绕组形式的选择………………………………………………………………..1 9 3.3.1三种绕组系数比较……………………………………………………一21 3.3.2反电动势和磁链波形分析……………………………………………一22 3.3.3对比三绕组气隙磁密波形……………………………………………一24 3.4充磁方式的选择………………………………………………………………一24 3.5 1i同槽型对气隙磁场的影响…………………………………………………一26
introduced,the advantages and disadvantages of various control strategies are compared. Finally,a variety of selection methods about control strategy are introduced,and then
width and thickness of the permanent magnet of the motor,the air gap flux density,
harmonic content under the condition of the different width and thcikness are compared.
classification of the permanent magnet motor is summarized firstly.Secondly,modem
as well 8.5 traditional control strategies of permanent magnet synchronous motor is
江苏大学硕士学位论文
目录
摘要…………………………………………………………………………………….I
ABSTRACT…………………………………………………………………………………………………….III
目 录…………………………………………………………………………………….V 第一章绪论…………………………………………………………………………….1
gap harmonic content are analyzed.The choice of tubular linear motor internal
parameters is optimized by Ansofi software.A set of practical motor optimal design
独创性声明
本人郑重声明:所呈交的学位论文,是本人在导师的指导下,独 立进行研究工作所取得的成果。除文中已注明引用的内容以外,本论 文不包含任何其他个人或集体已经发表或撰写过的作品成果,也不包 含为获得江苏大学或其他教育机构的学位或证书而使用过的材料。对 本文的研究做出重要贡献的个人和集体,均已在文中以明确方式标明。 本人完全意识到本声明的法律结果由本人承担。
back-emf waveform are compared.Against motor magnetization features,the
permanent magnet is analyzed by using the different magnetization way.Against the
1.3直线电机控制策略的发展概况…………………………………………………4 1.4直线电机本体设计概况…………………………………………………………5 1.5论文研究的主要内容……………………………………………………………7 第二章永磁直线电机数学模型理论与有限元建模原理……………………………8 2.1永磁同步直线电机的数学模型…………………………………………………8
harmonic Against the motor teeth spacing,the back-emf
content and related parameters
are compared.The best choice of these parameters is analyzed.Finally,a set of
magnet linear motor in ths paper is a key part ofthe free piston power generation engine. The tubular permanent magnet linear motor owes characteristics of simple structure,
scheme is tried to be explored.Under the premise of the motor general structure is
known,against the choice of motor windings.Three windings factors,flux density and
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