Fuzzy Equalization Strategy Based on Multilayer Circuits
Journal of Engineering Research and Reports,
Page 76-88
DOI:
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.
Keywords:
- Battery active equalization
- fuzzy control
- equilibrium strategy
- multilevel equilibrium
How to Cite
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