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    • 10. 发明授权
    • Battery management system and method of driving the same
    • 电池管理系统及其驱动方法
    • US07847557B2
    • 2010-12-07
    • US11846753
    • 2007-08-29
    • Han-Seok YunYoung-Jo LeeSoo-Seok ChoiJae-Moon LeeBo-Hyung Cho
    • Han-Seok YunYoung-Jo LeeSoo-Seok ChoiJae-Moon LeeBo-Hyung Cho
    • G01N27/416
    • G01R31/3662G01R31/3648G01R31/3651
    • A battery management system that estimates an internal impedance of a battery, a method of driving the same, a device that estimates an internal impedance of a battery, and a method of estimating the internal impedance of a battery. A method of driving a battery management system that estimates the internal impedance of a battery including a plurality of cells includes generating a battery equivalent model of the battery, receiving a terminal voltage signal and a charge and discharge current signal of the battery, and generating a first discrete signal corresponding to the terminal voltage signal of the battery and a second discrete signal corresponding to the charge and discharge current signal of the battery, and filtering the first discrete signal and the second discrete signal according to a frequency range corresponding to the battery equivalent model so as to estimate the internal impedance of the battery. The device that estimates an internal impedance of a battery filters the first discrete signal and the second discrete signal according to a frequency range corresponding to the battery equivalent model so as to estimate the internal impedance of the battery.
    • 估计电池的内部阻抗的电池管理系统,其驱动方法,估计电池的内部阻抗的装置以及估计电池的内部阻抗的方法。 一种驱动电池管理系统的方法,其估计包括多个电池的电池的内部阻抗包括产生电池的电池等效模型,接收电池的端子电压信号和充电和放电电流信号,并产生 对应于电池的端子电压信号的第一离散信号和对应于电池的充放电电流信号的第二离散信号,并且根据对应于电池当量的频率范围对第一离散信号和第二离散信号进行滤波 模型,以估计电池的内部阻抗。 估计电池的内部阻抗的装置根据对应于电池等效模型的频率范围对第一离散信号和第二离散信号进行滤波,以估计电池的内部阻抗。