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Design and Safety Verification of a Distributed Charge Equalizer for Modular Li-Ion Batteries

机译:模块化锂离子电池分布式电荷均衡器的设计和安全验证

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摘要

This paper presents a novel charge equalization technique seamlessly integrated into a modular Battery Management System (BMS) for lithium-ion (Li-ion) batteries. The charge equalizer is a crucial element for an effective use of a Li-ion battery consisting of many series-connected cells. We describe a fully distributed charge equalizer based on a circular balancing bus, which outperforms other recently published approaches. Its safety requirements have formally been verified using a model checker, showing that formal methods and, in particular, the Symbolic Analysis Laboratory environment, can be effective to verify the safety requirements of a BMS.
机译:本文提出了一种新颖的电荷均衡技术,该技术无缝集成到用于锂离子(Li-ion)电池的模块化电池管理系统(BMS)中。电荷均衡器是有效使用由许多串联电池组成的锂离子电池的关键要素。我们描述了一种基于圆形平衡总线的完全分布式电荷均衡器,其性能优于其他最近发布的方法。它的安全要求已使用模型检查器进行了正式验证,表明正式方法(尤其是符号分析实验室环境)可以有效地验证BMS的安全要求。

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