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State of Charge Estimation for Li-ion Batteries based on double Extended Kalman Filtering Method

Zhou LvZhide LiYuhan Dong

Department of Electronic Engineering,Tsinghua University

摘要:Lithium-ion batteries have been widely used in daily life,and their state of charge(SOC) has received considerable attention and investigation.This paper presented a model based on double extended Kalman filtering(DEKF) method,which combines the advantages of Ampere-hour method and extended Kalman filtering error cancellation.A series of charge-discharge experiments on Li Fe COPO4 batteries have been carried out with different configurations of constant currents and temperature.Experiment results show that the proposed DKEF method effectively improves the precision of SOC estimation,and can be used in large-scale industrial production.
会议名称:

International Conference on Information Sciences,Machinery,Materials and Energy(ICISMME 2015)

会议时间:

2015-04-11

会议地点:

中国重庆

  • 专辑:

    工程科技Ⅱ辑

  • 专题:

    电力工业

  • 分类号:

    TM912

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