Diagnosis of demagnetization fault of permanent magnet synchronous motor based on EWT-HHT

Shaowei Zhou; Yinquan Yu

doi:10.1117/12.2619444

29 November 2021 Diagnosis of demagnetization fault of permanent magnet synchronous motor based on EWT-HHT

Shaowei Zhou, Yinquan Yu

Proceedings Volume 12080, 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021); 120803B (2021) https://doi.org/10.1117/12.2619444
Event: 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021), 2021, Nanchang, China

Abstract

Permanent magnet synchronous motor (PMSM) demagnetization failure makes it unable to be used in high reliability applications if it cannot be detected in the early stage. To solve this issue, this paper combines Hilbert-Huang transform (HHT) and empirical wavelet transform (EWT) to extract fault feature and diagnose PMSM demagnetization faults and analyzed the feasibility of this method. The simulation results prove that the EWT-HHT method can be effectively diagnose demagnetization failure of PMSM.

Citation Download Citation

Shaowei Zhou and Yinquan Yu "Diagnosis of demagnetization fault of permanent magnet synchronous motor based on EWT-HHT", Proc. SPIE 12080, 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021), 120803B (29 November 2021); https://doi.org/10.1117/12.2619444

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