Demagnetization fault reconstruction for six-phase permanent magnet synchronous motor by improved super-twisting algorithm-based sliding-mode observer
Sign Up to like & getrecommendations! Published in 2021 at "Measurement"
DOI: 10.1016/j.measurement.2020.108905
Abstract: Abstract Demagnetization fault causes the performance degradation of a permanent magnet synchronous motor (PMSM) drive system. Therefore, it is of great importance to reconstruct demagnetization fault in real-time. This paper firstly presents a demagnetization fault… read more here.
Keywords: motor; sliding mode; demagnetization; demagnetization fault ... See more keywords
Disambiguation of Uniform Demagnetization Fault From Position Sensor Fault in FOC PMSM Applications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3210178
Abstract: Electrification of higher torque density applications in the transportation sector and robotics sector are primarily met with permanent magnet synchronous machines (PMSMs), attributing to their unique properties. However, wide operating temperatures, field weakening controls, and… read more here.
Keywords: position sensor; uniform demagnetization; fault; demagnetization fault ... See more keywords
PMASynRM Local Demagnetization Fault Detection Using Targeted Harmonic Excitation
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2025.3540805
Abstract: Permanent Magnet Assisted Synchronous Reluctance Motors (PMASynRM) are high energy density topologies, widely used in the automotive industry. However, their very good performances and efficiencies can be severely impaired by irreversible demagnetization faults of their… read more here.
Keywords: local demagnetization; demagnetization fault; demagnetization; fault ... See more keywords
Demagnetization Fault Diagnosis of Permanent Magnet Synchronous Motors Using Magnetic Leakage Signals
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2022.3165283
Abstract: In most industrial applications, it is difficult to obtain complete demagnetization fault signals of all conditions with labels for permanent magnet synchronous motor (PMSM), and motors are not allowed to be disassembled, so non-contact diagnostic… read more here.
Keywords: permanent magnet; fault; demagnetization fault; magnetic leakage ... See more keywords
A Novel Method for Diagnosing Demagnetization Fault in PMSM Using Toroidal-Yoke-Type Search Coil
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2021.3134991
Abstract: Demagnetization fault in a permanent magnet synchronous motor (PMSM) degrades its performance and may cause serious catastrophes. Fault localization technique can improve the reliability and safety of PMSM and provide important information for developing operation… read more here.
Keywords: demagnetization; method; pmsm; search ... See more keywords
DPMSLM Demagnetization Fault Detection Based on Texture Feature Analysis of Grayscale Fusion Image
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3259035
Abstract: This study investigates a novel image morphology texture feature extraction method to realize the demagnetization fault location and severity detection of double-sided permanent magnet synchronous linear motor (DPMSLM). Initially, according to the constraints of DPMSLMs… read more here.
Keywords: feature; texture; demagnetization fault; demagnetization ... See more keywords
Partial Demagnetization Fault Diagnosis of Interior Permanent Magnet Synchronous Motor Based on Back Electromotive Force Constant of a New Search Coil
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2025.3585215
Abstract: The occurrence of partial demagnetization fault (pdf) in permanent magnet synchronous motors (PMSMs) can significantly degrade the ability of the output torque and may even lead to vibration that compromises the stability and reliability of… read more here.
Keywords: coil; diagnosis; permanent magnet; partial demagnetization ... See more keywords
Local Demagnetization Fault Recognition of Permanent Magnet Synchronous Linear Motor Based on S-Transform and PSO–LSSVM
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2020.2967053
Abstract: This article focuses on the local demagnetization fault recognition research of permanent magnet synchronous linear motor (PMSLM) and realizes the accurate identification of the position and degree of demagnetized permanent magnets. A fault recognition system… read more here.
Keywords: local demagnetization; demagnetization fault; fault recognition; pso lssvm ... See more keywords
PMSLM Demagnetization Fault Detection Based on Multisensor Signal Fusion and Enhanced Graph Neural Network
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Transportation Electrification"
DOI: 10.1109/tte.2025.3590405
Abstract: An innovative diagnosis method for detecting demagnetization faults (DFs) in permanent magnet synchronous linear motors (PMSLMs) is proposed in this study. The developed approach leverages the combined strengths of the external three-line measurement (ETM) method… read more here.
Keywords: demagnetization fault; demagnetization; pmslm demagnetization; network ... See more keywords