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

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【作者】 王立业王丽芳廖承林张文杰

【Author】 WANG Liye;WANG Lifang;LIAO Chenglin;ZHANG Wenjie;Key Laboratory of Power Electronics and Electric Drive,Institute of Electrical Engineering,Chinese Academy of Sciences;Beijing Co-Innovation Center for Electric Vehicles;

【通讯作者】 王立业;

【机构】 Key Laboratory of Power Electronics and Electric Drive,Institute of Electrical Engineering,Chinese Academy of SciencesBeijing Co-Innovation Center for Electric Vehicles

【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.

【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.

【基金】 the Special Research Fund for the National Key Research and Development Program of China(No.2016YFB0100107);the National Natural Science Foundation of China(No.51677183)
  • 【文献出处】 Journal of Shanghai Jiaotong University(Science) ,上海交通大学学报(英文版) , 编辑部邮箱 ,2018年05期
  • 【分类号】U469.72
  • 【被引频次】4
  • 【下载频次】121
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