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    • 13. 发明申请
    • APPARATUS AND METHOD FOR DETERMINATION OF THE STATE-OF-CHARGE OF A BATTERY WHEN THE BATTERY IS NOT IN EQUILIBRIUM
    • 用于在电池不平衡时确定电池的充电状态的装置和方法
    • WO2008053410A2
    • 2008-05-08
    • PCT/IB2007054344
    • 2007-10-25
    • KONINKL PHILIPS ELECTRONICS NVBERGVELD HENDRIK JPOP VALERNOTTEN PETRUS H L
    • BERGVELD HENDRIK JPOP VALERNOTTEN PETRUS H L
    • G01R31/3651G01R31/362
    • The invention relates to a method and an apparatus, like a charger for determining the state-of-charge of a battery which has been charged or discharged and which has not reached its equilibrium state, the method comprising the steps of determining the EMF of the battery by extrapolation of the battery voltage sampled during relaxation after the charge or the discharge process, wherein the extrapolation is based on a model using only variables sampled during the relaxation process and deriving the state-of-charge from the EMF of the battery by using a predetermined relation between the EMF and the state-of- charge. This method is a voltage-prediction method without the need to store parameters beforehand. Instead, the voltage relaxation end value is determined based on the measured first part of a voltage relaxation curve and mathematical optimisation/fitting of a function to this measured part of the relaxation curve.
    • 本发明涉及一种方法和装置,例如用于确定已经充电或放电并且还没有达到其平衡状态的电池的充电状态的充电器,该方法包括以下步骤:确定电池的电动势 通过外推在充电或放电过程之后在松弛期间采样的电池电压来确定电池电压,其中外推基于仅使用在松弛过程期间采样的变量并通过使用从电池的EMF导出充电状态的模型 EMF和充电状态之间的预定关系。 这种方法是一种电压预测方法,无需事先存储参数。 取而代之的是,基于所测量的电压松弛曲线的第一部分以及函数对松弛曲线的该测量部分的数学优化/拟合来确定电压松弛最终值。