摘 要：针对某客车直驱永磁同步电机接线盒盖板在振动台架试验出现开裂现象，开展随机振动仿真分析和结构优化设计。经仿真和试验验证，盖板新结构强度满足要求。
关键词：电动客车；直驱电机；随机振动；仿真分析
中图分类号：U469.72；TM351 文献标志码：A 文章编号：1006-3331(2023)06-0037-03
Test and Simulation of Random Vibration for Direct Drive Permanent Magnet Synchronous Motor of an Electric Bus
WANG Shiyang,CHEN Chuang,WANG Haihong
Abstract: Aiming at the cracking phenomenon of the junction box cover plate on a bus direct drive permanent magnet synchronous motor in the vibrating bench test,the random vibration simulation analysis and structural optimization design are carried out.By the verification with simulation and test,the new structure of the cover plate meets the strength requirements.
Key words: electric bus; direct drive motor; random vibration; simulation analysis
