Cited by 36Machine Fault Diagnosis TechniquesSensorless Control of Electric MotorsElectric Motor Design and Analysis

The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.

Fault diagnosis of mechanical unbalance for permanent magnet synchronous motor drive system under nonstationary condition

Hang, Jun, Zhang, Jianzhong, Cheng, Ming, Wang, Zheng·2013·2013 IEEE Energy Conversion Congress and Exposition

Abstract

Motor current signature analysis based on Fast Fourier Transform (FFT) has been successfully used in a permanent magnet synchronous motor (PMSM) drive system for fault diagnosis. However, the method does not always achieve good results according to two aspects. Firstly, the amplitudes of fault harmonic components are quiet small compared with the fundamental amplitude if the fault severity is small. Then fault characters are likely to be hidden and difficult to be distinguished in the stator current. Secondly, as the speed is not constant and this causes variation on the fault characteristic frequencies where FFT is no longer suitable. This paper presents a novel method to diagnose the mechanical unbalance for a PMSM drive system under nonstationary condition, which is based on Park's vector and discrete wavelet transform. Simulations are carried out in the PMSM drive system based on MATLAB/Simulation and fault indicators are successfully extracted from the square of the stator current Park's vector modulus. The simulation results show that the proposed method can effectively detect the mechanical unbalance fault in the PMSM drive system under nonstationary condition, and the method is suitable for different control strategies.

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Crossref · 10.1109/ecce.2013.6647169

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24 of 24 references verified0 citation errors · 0 not checkable

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  • In [165] and [166], DWT analysis of Park-transformed stator current confirmed effectiveness for unbalance detection under non-stationary conditions by simulation and experiments.

    “The effectiveness of this method was confirmed by simulation and experimental results carried out under non-stationary conditions.”

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Metadata

Authors
Hang, J., Zhang, J., Cheng, M., & Wang, Z.
Affiliations
Southeast University (CN)
Venue
2013 IEEE Energy Conversion Congress and Exposition
Publisher
IEEE
Published
2013-09
Pages
3556-3562
OpenAlex
W2025703330
Cited by
36
References
24
Citations by year
2026: 2 · 2024: 4 · 2023: 4 · 2022: 4 · 2021: 2 · 2020: 4 · 2019: 3 · 2018: 2 · 2017: 2 · 2016: 2 · 2015: 5 · 2014: 2
FWCI
4.10
Type
conference paper
Language
en
Open access
closed
Locations
IEEE Energy Conversion Congress and Exposition (ECCE) (publishedVersion)
Topics
  • Physical Sciences › Engineering › Control and Systems Engineering › Machine Fault Diagnosis Techniques
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Sensorless Control of Electric Motors
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electric Motor Design and Analysis
Keywords
permanent magnet synchronous motor, fault diagnosis, discrete wavelet transform, stator current, variable speed, fault characteristic frequency, motor drives

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