A fuzzy-based approach for open-transistor fault diagnosis in voltage-source inverter induction motor drives

被引：5

作者：

Zhang, Jianghan ^{[1
]}

Luo, Hui ^{[1
]}

Zhao, Jin ^{[1
]}

Wu, Feng ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Automat, Wuhan 430074, Hubei, Peoples R China

来源：

EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS | 2015年 / 69卷 / 02期

关键词：

SWITCH FAULTS; PWM INVERTER; LOCATION; SCHEME;

D O I：

10.1051/epjap/2015140066

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

This paper develops a novel method for the detection and isolation of open-transistor faults in voltage-source inverters feeding induction motors. Based on analyzing the load currents trajectories after Concordia transformation, six diagnostic signals each of which indicates a certain switch are extracted and a fuzzy rule base is designed to perform fuzzy reasoning in order to detect and isolate 21 fault modes including single- and double-transistor faults. In addition, the fuzzy rules are rearranged and each of them is set to a reasonable value representing the fault modes. The simulation and experiment are carried out to demonstrate the effectiveness of the proposed fuzzy approach.

引用

页数：10

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