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State-of-charge estimation method, state-of-charge estimation device, and secondary-battery power system

机译:充电状态估计方法,充电状态估计装置和二次电池电力系统

摘要

There is provided a state-of-charge estimation method, a state-of-charge estimation device, and a secondary-battery power system that may quickly and stably determine the convergence value of an adjustment parameter of a voltage characteristic formula that may approximate change over time of an open-circuit voltage of a secondary battery with high precision by appropriately setting the initial value of the adjustment parameter. At step S14, a selected voltage measurement values V1, VMbi ((i=1 to (n−1)), and VMm are used to calculate an initial value A0i (i=1 to n) of an adjustment parameter Ai (i=1 to n). In addition, at step S15, an integer string bi (i=1 to (n−1)) and a real number C are used to calculate an initial value B01 (i=1 to n) of an adjustment parameter Bi (i=1 to n).
机译:提供了一种充电状态估计方法,充电状态估计装置以及二次电池电力系统,其可以快速且稳定地确定可以近似改变的电压特性公式的调整参数的收敛值。通过适当地设定调整参数的初始值,能够高精度地进行二次电池的开路电压的经时变化。在步骤S 14 ,选择的电压测量值V 1 ,VMbi((i = 1至(n-1))和VM m 用来计算调整参数A i (i = 1到)的初始值A 0 i (i = 1到n)另外,在步骤S 15 中,使用整数串bi(i = 1至(n-1))和实数C来计算初始值B 0 1 (i = 1到n)的调整参数B i (i = 1到n)。

著录项

  • 公开/公告号US8903667B2

    专利类型

  • 公开/公告日2014-12-02

    原文格式PDF

  • 申请/专利权人 ETSUZO SATO;NORIYASU IWANE;

    申请/专利号US201213616792

  • 发明设计人 ETSUZO SATO;NORIYASU IWANE;

    申请日2012-09-14

  • 分类号G01R31/36;

  • 国家 US

  • 入库时间 2022-08-21 15:16:53

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