Demagnetization Fault Diagnosis of PMSM Based on Multiple Signals Calculation

To simplify the design of the control system of the permanent magnet synchronous motor (PMSM), this paper proposes a co-simulation method for PMSM using Maxwell® to build a motor model and using Simplorer® and Simulink® to design an external circuit and a closed-loop control circuit. The simulation...

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Bibliographic Details
Published in:Journal of physics. Conference series 2021-02, Vol.1754 (1), p.12149
Main Authors: Zhou, Shaowei, Yu, YinQuan, Yang, JinWen, Tu, WenBin, Wu, Guopei
Format: Article
Language:English
Subjects:
Circuit design
Control systems design
Demagnetization
Fault diagnosis
Magnetism
Permanent magnets
Physics
Simulation
Synchronous motors
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Summary:To simplify the design of the control system of the permanent magnet synchronous motor (PMSM), this paper proposes a co-simulation method for PMSM using Maxwell® to build a motor model and using Simplorer® and Simulink® to design an external circuit and a closed-loop control circuit. The simulation results show that our proposed method can simulate demagnetization faults with various demagnetization pattern in PMSM, and provides an effective way to obtain demagnetization fault data. Our simulation results show that the electromagnetic torque, radial magnetic density, and stator current can be used as a fault indicator of demagnetization after wavelet and Empirical Mode Decomposition (EMD) technologies are applied.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1754/1/012149