Fault Diagnosis Method of Permanent Magnet Synchronous Motor Demagnetization and Eccentricity Based on Branch Current

Fault Diagnosis Method of Permanent Magnet Synchronous Motor Demagnetization and Eccentricity Based on Branch Current

Since permanent magnets and rotors are core components of electric vehicle drive motors, accurate diagnosis of demagnetization and eccentricity faults is crucial for ensuring the safe operation of electric vehicles. Currently, intelligent diagnostic methods based on three-phase current signals have...

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Bibliographic Details
Main Authors: Zhiqiang Wang, Shangru Shi, Xin Gu, Zhezhun Xu, Huimin Wang, Zhen Zhang
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:World Electric Vehicle Journal
Subjects:
demagnetization
eccentricity-based
feature extraction
multi-scale features
fault diagnosis
frequency domain
Online Access:https://www.mdpi.com/2032-6653/16/4/223
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