| GUAN Yuming,LI Zhao,CUI Jia,JIN Meina,JI Chenglin,SHANG Peng.Weight Analysis for Production Process of Lithium-ion Power Battery[J].JOURNAL OF POWER SUPPLY,2019,17(1):112-119 |
| Weight Analysis for Production Process of Lithium-ion Power Battery |
| Received:February 20, 2017 Revised:August 20, 2018 |
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| DOI：10.13234/j.issn.2095-2805.2019.1.112 |
| Keywords:lithium-ion battery grey relational grade analytic hierarchy process(AHP) relative weight comprehen-sive weight |
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| Author | Institution | Email |
| GUAN Yuming |
School of Mechanical Engineering, Hebei University of Technology, Tianjin , China |
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| LI Zhao |
School of Mechanical Engineering, Hebei University of Technology, Tianjin , China |
947703325@qq.com |
| CUI Jia |
School of Mechanical Engineering, Hebei University of Technology, Tianjin , China |
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| JIN Meina |
School of Mechanical Engineering, Hebei University of Technology, Tianjin , China |
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| JI Chenglin |
School of Mechanical Engineering, Hebei University of Technology, Tianjin , China |
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| SHANG Peng |
School of Mechanical Engineering, Hebei University of Technology, Tianjin , China |
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| Abstract: |
| On the basis of expert scoring, the way of using grey theory and analytic hierarchy process(AHP) to ob-tain the weights of experts and factors that influence the consistency of lithium-ion battery is studied in this paper. First, the grey correlation analysis of factors is conducted based on the theory of calculating the weight based on grey relational grade. When there is no unique reference sequence, each sequence itself is used both as a comparison sequence and as a reference sequence, thus the corresponding grey self-correlation matrix is obtained. By calculating the eigenvalues and eigenvectors, the weights of experts are obtained. Then, the scores of factors affecting the consistency of the battery are collected by expert scoring. The judgment matrix of AHP is determined by comparing the differences in every two indexes, and the weights of factors are obtained. Finally, the weighted arithmetic mean method is used to obtain the comprehensive index weight that affects the consistency of the lithium battery. |
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