Online Fault Diagnosis of the Hybrid Electrical Multiple Unit Traction Converter

  • Lei Wang
  • Mengzhu Wang
  • Yujia Guo
  • Ruichang Qiu
  • Lijun Diao
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 482)


In this paper, the signatures and the diagnosis approach of the failure of switching devices in Hybrid Electrical Multiple Unit (HEMU) traction converter (TC) are developed. In this paper, the distorted voltage and current with such failures are treated as disturbance exerted over normal voltage and current without failures, and a special analytical failure model is built for the expression of voltage and current disturbance. Combined with the failure model, this paper proposes a novel reasoning process to locate malfunctioning switching device. The reasoning process is based on object-oriented colored Petri Net (OOCPN). Digitalized failure signatures are taken as inputs into the OOCPN reasoning machine, what stimulates the brain activities during fault diagnosis of an expert.


Analytical failure model Switching device failure Cascading and coupling interaction Online fault reasoning Object-oriented Petri Net 



This work was supported by the Fundamental Research Funds for the Central Universities of China (No.E16JB00160/2016JBM062/2016JBM058) and The National Key Research and Development Program of China (2016YFB1200504-C-02).


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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Lei Wang
    • 1
  • Mengzhu Wang
    • 1
  • Yujia Guo
    • 1
  • Ruichang Qiu
    • 1
  • Lijun Diao
    • 1
  1. 1.School of Electrical EngineeringBeijing Jiaotong UniversityHaidian District, BeijingChina

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