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논문검색

Research on the Fault Diagnosis of Power Battery Based on Comprehensive Fuzzy Evaluation

초록

영어

In the actual application process, power battery may not behave properly, such as insufficient charging, internal resistance increment, capacity reduction and etc, the paper establishes a fuzzy comprehensive evaluation model of power battery to diagnose judge and analyze. The diagnostic results are given in the form of battery health status DOH and maintenance information. The paper tests the model through Actual working conditions of electric vehicle, and the results show that the actual fault information is consistent with the diagnostic results of model. The model is reasonable, and it can be used to diagnose the faults of power battery.

목차

Abstract
 1. Introduction
 2. The Fuzzy Comprehensive Evaluation Model of Power Battery
  2.1. The Membership Degree of Symptoms is Calculated
  2.2. Calculating the Membership Degree of Faults and Fuzzy Relation Matrix
  2.3. DOH and DOF are Determined
  2.4. Building the Knowledge Base of Fault Diagnosis
 3. The Design of Fault Diagnosis Reasoning Module
  3.1. The Instructions of System Verification
  3.2. The Curve of Test and the Analysis of Diagnostic Result
 4. Concluding Remarks
 Acknowledgments
 References

저자정보

  • Haiying Wang School of Automation, Harbin University of Science and Technology, Harbin, China
  • Peng Liu School of Automation, Harbin University of Science and Technology, Harbin, China
  • Yu Zhao School of Automation, Harbin University of Science and Technology, Harbin, China
  • Lei Du School of Automation, Harbin University of Science and Technology, Harbin, China
  • Gechen Li R&D, CENS Energy-Tech Co. Ltd., Hangzhou, China

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