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	Fuzzy Control for Battery Equalization Based on State of Charge
	Jingyu Yan; Zhu Cheng; Guoqing Xu; Huihuan Qian; Yangsheng Xu
	2010
会议名称	2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall
英文摘要	Battery equalization, aiming at keeping the state of charge of inside cells in the same level, is of great importance to maximize the capacity ofwhole battery pack and keep cells away from overcharge and overdischarge damage. In this paper, based on the analysis of bi-directional Cuˆk converter, we have proposed a fuzzy controller to adaptively tune the equalizing current. The inputs of fuzzy controller are selected as the difference in state of charge, the average of state of charge and the total internal resistance. The overall performance of the proposed equalizer is evaluated by multi-indexes such as equalizing speed, efficiency and cell protection. Simulations are conducted based on a well established 6Ah Li-ion battery provided in Advisor. The results under various initial conditions show that the proposed equalizer has the ability to balance theequalizing speed and efficiency. Any pair of cells with difference in state of charge less than 0.3 can be equalized within one hour and with the energy efficiency around 0.95
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/2802]
专题	深圳先进技术研究院_集成所
作者单位	2010
推荐引用方式 GB/T 7714	Jingyu Yan,Zhu Cheng,Guoqing Xu,et al. Fuzzy Control for Battery Equalization Based on State of Charge[C]. 见:2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall.

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