电动汽车用永磁直流无刷电机转子偏心故障研究  

Research on Rotor Eccentric Fault in Permanent Magnet Brushless DC Motor for Electric Vehicles

作　　者：段敏[1] 赵祥智 张大明[1] 汪立伟[1] 

机构地区：[1]辽宁工业大学汽车与交通工程学院,辽宁锦州121001

出　　处：《辽宁工业大学学报（自然科学版）》2015年第2期111-114,119,共5页Journal of Liaoning University of Technology(Natural Science Edition)

基　　金：辽宁省教育厅项目(L2012217)

摘　　要：研究电动汽车用永磁直流无刷电机转子偏心故障的一种检测方法,基于母线电流在电机正常运转和发生故障时,子频带能量表现出的不同。利用小波包对故障和正常信号分解,提取出特征向量。并与BP神经网络进行松散型结合,来完成具体的故障检测。Research was made for the detection method on rotor eccentric fault in permanent magnet brushless DC motor for electric vehicles, which was based on the bus current when the motor normal operation and failure, sub-band energy exhibit difference. And then by decomposing failures and normal signal, the eigenvectors are abstracted as well as combined with the BP neural network loosely, the specific fault detection is accomplished.

关 键 词：电动汽车 直流无刷电机 转子偏心 母线电流 

分 类 号：U469.72[机械工程—车辆工程]