电动代步车用轮毂电机设计与分析

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①根据电动代步车用轮毂电机的特点,对电动代步车的整体结构进行了设计,总结了永磁无刷直流电动机的电磁方案设计原则,并且在对结构的深入分析基础上,设计出新型的电动代步车用轮毂电机。包括轮毂电机的的轮毂电机初步的主要尺寸、极数、槽数、绕组形式和主要系数等。
②在确定轮毂电机的初步参数之后,利用Ansoft maxwell电磁场有限元设计软件,基于电磁场原理,计算轮毂电机的瞬态性能。结果表明轮毂电机满足电动代步车运行的要求。通过对轮毂电机的转子极弧系数和极弧偏心距这两个参数进行调整,对齿槽转矩进行抑制。
摘要
随着世界各国人口老龄化的问题,近几年来,为老年人及残疾人的生活通行提供方便的电动代步车产品,受到了极大的关注。开发结构简单、操作方便、安全可靠、性价比高的电动代步车具有重要的现实意义和市场前景。
轮毂电机是电动代步车的关键驱动部件,其研究开发、改进分析和性能仿真具有现实意义和应用价值。
本文针对现代电动代步车的特点,设计了适合电动代步车用的轮毂电机,并且在较深入的结构分析基础上对该轮毂电机进行了计算分析和性能仿真,主要研究的内容如下:
②After determining the initial parameters of the hub motor, used Ansoft maxwell to calculate the transient performance of the hub motor based on electromagnetic theory. The results show that the hub motor meet the running requirements of electric sdooter. the cogging torque are restrained by adjusting pole embrace and pole arc offset of hub motor.
Using this method could not only meet the requirement of accuracy, and also can shorten the designing cycle. The simulation results laid a certain foundation for product development, at the same time, it also provided a certain reference value for similaΒιβλιοθήκη Baidu product development. development to have the certain reference value.
③用Ansoft的Rmxpt软件包建立了轮毂电机模型,并对轮毂电机的整体性能进行精确分析。仿真结果包括:效率与转速曲线、输出转矩与转速曲线等。结果表明,该轮毂电机完全适用电动代步车。
采用这样的方法不但可以满足精确性要求,同时可以缩短设计周期。上述的仿真结果为产品开发打下了一定的基础,同时对类似的轮毂电机产品开发具有一定的参考价值。
①According to the characteristics of electric scooters, the overall structure of electric scooter was designed and summarized the design of permanent magnet brushless DC motor of electromagnetic design principles.Anew hub motor of electric scooteris designedthrough deeper analysis principle of brushless dc motor.
关键词:电动代步车,轮毂电机,电磁场,有限元
ABSTRACT
In the context of the worldwide population aging problem, electric scooter that facilitates the passage of life for elderly and disabled persons has got a great deal of concern in recent years. The development of simple structure, easy operation, safe-reliable and cost-effective electric scooter has an important practical significance and market prospects.
The hub motor is theimportantdrive unit of electric scooter, The research, improved analysis and performance-simulation of hub motor have an important practical significance and application value.
③ Establish the model of wheel motor by using Ansoft's Rmxpt,and analyzethe overall performance of the hub motor. The simulation results include: efficiency and speed curve, torque and speed curve, etc. The results show that the hub motor of electric scooter is fully applicable.
In this paper,the hub motor was designed and the motor performance wascalculated andsimulated based on the characteristics of the modern electric scooter and the deeper Calculationandanalysis of structure,the main contents of the study are as follows:
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