永磁同步电机故障诊断研究综述

Review on Fault Diagnosis of Permanent Magnet Synchronous Motor

永磁同步电机因其体积小、功率密度高等优点,被广泛应用于电动汽车、航空航天、工业制造等领域。受工作环境的影响,永磁同步电机在运行过程中不可避免地会出现各种故障。因此为满足上述领域对电机运行安全可靠性的严格要求,需对永磁同步电机及驱动系统进行故障诊断。文章根据国内外研究现状,对永磁同步电机故障诊断方法进行了综述,并根据研究现状以及现实需求,对永磁同步电机故障诊断未来的研究热点及发展趋势进行了总结和展望。

The permanent magnet synchronous motor is widely used in electric vehicles,aerospace,industrial manufacturing and other fields because of its compact size and high-power density.However,affected by the working environment,the permanent magnet synchronous motor will inevitably have various faults in the process of operation.In order to meet the strict requirements for the safety and reliability of motor operation in the above fields,fault diagnosis of permanent magnet synchronous motor and drive system is required.Based on the research status at home and abroad,this paper summarizes the fault diagnosis methods of permanent magnet synchronous motor.According to the research status and practical needs,the future research hotspots and development trends of permanent magnet synchronous motor fault diagnosis are described.