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Research Article Open access CC BY 4.0

Fuzzy Equalization Strategy Based on Multilayer Circuits

Xu Lu, Chong Wang

Journal of Engineering Research and Reports · pp. 76–88 · Published 18 Jun 2022

10.9734/jerr/2022/v22i917566

Abstract

In this study, the influence of the external current and the equalization current on the working current of the lithium battery during the equalization process is fully analyzed, a fuzzy equalization approach based on a multilayer circuit is proposed, with external current and the battery's SOC as inputs, and fuzzy rules to output a suitable equalization current to keep the battery's operating current within the permitted range. It is verified by simulation that the proposed fuzzy control strategy can limit the operating current of the lithium battery within the range of [-3A-3A], and the maximum operating current of the battery is reduced by 50% compared with the unbalanced strategy. It can ensure the safety in the process of battery balancing.

Battery active equalization fuzzy control equilibrium strategy multilevel equilibrium

References (6)

  1. 1 IEEE Transactions on Industrial Informatics [DOI]
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