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主要介绍了利用有限元软件Ansoft对设计的电动汽车用轮毂电动机进行建模、仿真,以指导和优化电动机的设计。研究的主要内容包括:在RMxprt中搭建了永磁无刷直流电动机的几何模型,然后导入到Maxwell 2D中建立了二维有限元仿真模型,并运用瞬态求解器对电动机的基本特性进行瞬态分析。通过得到的仿真数据并对其整理,绘制成图标,直观地显示了电动机在运转时磁场在不同时刻的分布情况。与从试验台得到的数据对比,验证了设计的正确性,也对今后的电动机设计和优化提供了一定参考价值。
This paper mainly introduces how to design and simulate the designed hub motor of electric vehicle by using Ansoft finite element software to guide and optimize the design of the motor. The main contents of this research include: building a geometric model of permanent magnet brushless DC motor in RMxprt, importing it into Maxwell 2D and establishing a two-dimensional finite element simulation model, and applying transient solver to the basic characteristics of the motor for transient analysis. Through the simulation data obtained and its finishing, drawn into an icon, visually shows the distribution of the magnetic field at different times when the motor is running. Compared with the data obtained from the test stand, the correctness of the design is verified, which also provides certain reference value for future motor design and optimization.