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Title: An intelligent time-adaptive data-driven method for sensor fault diagnosis in induction motor drive system
Authors: Gou, Bin
Xu, Yan
Xia, Yang
Wilson, Gary
Liu, Shuyong
Keywords: Data-driven Method
Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Gou, B., Xu, Y., Xia, Y., Wilson, G., & Liu, S. (2019). An Intelligent time-adaptive data-driven method for sensor fault diagnosis in induction motor drive system. IEEE Transactions on Industrial Electronics, 66(12), 9817-9827. doi:10.1109/TIE.2018.2880719
Series/Report no.: IEEE Transactions on Industrial Electronics
Abstract: Three-phase pulsewidth modulation inverter fed induction motor drive system is widely applied in high power drive applications. Sensor faults are very common in the drive system, which, once occur, might result in degraded system performance or even system shutdown. In order to rapidly and accurately diagnose the sensor faults, this paper proposes an intelligent time-adaptive data-driven method to identify the fault location and fault type of sensors in the drive system. An emerging machine learning technology named extreme learning machine (ELM) is applied to learn the sensor fault dataset; an ensemble ELM classifier is then designed to improve diagnostic accuracy, based on which a time-adaptive fault diagnosis process is proposed to achieve a high and balanced diagnostic accuracy and speed. As a data-driven method, the proposed method only employs the phase current, dc-link voltage, and speed signals as the inputs to the ensemble ELM classifiers and requires no additional sensors and other hardware. Simulated and experimental tests show that the proposed method can rapidly and accurately detect the fault sensor location and identify offset fault, stuck fault, and noise faults with an average diagnostic accuracy of 98% and the average decision time of 10 ms after the fault occurs. Moreover, such diagnosis method is robust to the fluctuation of catenary voltage and dc-link voltage, fault severity, and variation of model parameters, speed, and load.
ISSN: 0278-0046
DOI: 10.1109/TIE.2018.2880719
Rights: © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
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