Research on Multi-Parameter Evaluation of Electric Vehicle Power Battery Consistency Based on Principal Component Analysis

doi:10.1007/s12204-018-1987-9

Journal of Shanghai Jiao Tong University (Science) ›› 2018, Vol. 23 ›› Issue (5): 711-720.doi: 10.1007/s12204-018-1987-9

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Research on Multi-Parameter Evaluation of Electric Vehicle Power Battery Consistency Based on Principal Component Analysis

WANG Liye (王立业), WANG Lifang (王丽芳), LIAO Chenglin (廖承林), ZHANG Wenjie (张文杰)

(1. Key Laboratory of Power Electronics and Electric Drive, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China; 2. Beijing Co-Innovation Center for Electric Vehicles, Beijing 100081, China)

出版日期:2018-10-01 发布日期:2018-10-07
通讯作者: WANG Liye (王立业) E-mail:wangliye@mail.iee.ac.cn

Research on Multi-Parameter Evaluation of Electric Vehicle Power Battery Consistency Based on Principal Component Analysis

WANG Liye (王立业), WANG Lifang (王丽芳), LIAO Chenglin (廖承林), ZHANG Wenjie (张文杰)

(1. Key Laboratory of Power Electronics and Electric Drive, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China; 2. Beijing Co-Innovation Center for Electric Vehicles, Beijing 100081, China)

Online:2018-10-01 Published:2018-10-07
Contact: WANG Liye (王立业) E-mail:wangliye@mail.iee.ac.cn

摘要/Abstract

摘要： Electric vehicle power battery consistency is the key factor affecting the performance of power batteries. it is not scientific to evaluate the consistency of the battery depending on voltage or capacity. In this paper, multiparameter evaluation method for battery consistency based on principal component analysis is proposed. Firstly, the characteristic parameters of battery consistency are analyzed, the principal component score can be used as the basis for evaluating the consistency of the battery. Then, the function that multi-parameter evaluation of battery consistency is established. Finally, battery balancing strategy based on fuzzy control is developed. The basic principle of fuzzy control is to fuzzy the input quantity based on expert knowledge, and the fuzzy control quantity is obtained by fuzzy control rule. The results are verified by test.

关键词: electric vehicle, principal component analysis, battery consistency, multi-parameter evaluation

Abstract: Electric vehicle power battery consistency is the key factor affecting the performance of power batteries. it is not scientific to evaluate the consistency of the battery depending on voltage or capacity. In this paper, multiparameter evaluation method for battery consistency based on principal component analysis is proposed. Firstly, the characteristic parameters of battery consistency are analyzed, the principal component score can be used as the basis for evaluating the consistency of the battery. Then, the function that multi-parameter evaluation of battery consistency is established. Finally, battery balancing strategy based on fuzzy control is developed. The basic principle of fuzzy control is to fuzzy the input quantity based on expert knowledge, and the fuzzy control quantity is obtained by fuzzy control rule. The results are verified by test.

Key words: electric vehicle, principal component analysis, battery consistency, multi-parameter evaluation

中图分类号:

TM 912.1

WANG Liye (王立业), WANG Lifang (王丽芳), LIAO Chenglin (廖承林), ZHANG Wenjie (张文杰). Research on Multi-Parameter Evaluation of Electric Vehicle Power Battery Consistency Based on Principal Component Analysis[J]. Journal of Shanghai Jiao Tong University (Science), 2018, 23(5): 711-720.

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Research on Multi-Parameter Evaluation of Electric Vehicle Power Battery Consistency Based on Principal Component Analysis

Research on Multi-Parameter Evaluation of Electric Vehicle Power Battery Consistency Based on Principal Component Analysis

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