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    • 1. 发明授权
    • Method of controlling a state-of-charge (SOC) of a vehicle battery
    • 控制车辆电池的充电状态(SOC)的方法
    • US08937452B2
    • 2015-01-20
    • US13021204
    • 2011-02-04
    • Jonathan R. SchwarzGregory E. SmithIan L. HannaDamon R. Frisch
    • Jonathan R. SchwarzGregory E. SmithIan L. HannaDamon R. Frisch
    • H02J7/14H01M10/42H01M10/48
    • H01M10/42H01M10/486H01M2200/10H01M2220/20
    • A system and method for controlling a state-of-charge (SOC) of a vehicle battery, such as a high-voltage battery used by a hybrid electric vehicle (HEV) for vehicle propulsion, so that the SOC is maintained within a desired SOC range that is temperature-dependent. In an exemplary embodiment, the system and method use a battery temperature prediction to determine a desired SOC range, and then control the amount of charge on the vehicle battery such that the SOC is maintained within the desired SOC range. As the battery temperature prediction goes lower (i.e., as it gets colder), the desired SOC range may need to be adjusted or shifted upwards in order to account for increased internal battery resistance and to ensure that the vehicle battery has enough power to start the vehicle. Similarly, as the battery temperature prediction goes higher (i.e., as it gets warmer), the desired SOC range may need to be adjusted or shifted downwards in order to reduce degradation effects and improve battery. The exemplary system and method control the SOC of the vehicle battery and may seek to optimize a number of different parameters, including battery life, battery performance and/or vehicle fuel economy.
    • 一种用于控制用于车辆推进的混合电动车辆(HEV)使用的高压电池的车辆电池的充电状态(SOC)的系统和方法,使得SOC保持在期望的SOC 温度依赖的范围。 在示例性实施例中,系统和方法使用电池温度预测来确定期望的SOC范围,然后控制车辆电池上的电荷量,使得SOC保持在期望的SOC范围内。 随着电池温度预测的降低(即,随着温度越来越低),期望的SOC范围可能需要被调整或向上移动,以便考虑增加的内部电池电阻并且确保车辆电池具有足够的功率来启动 车辆。 类似地,随着电池温度预测的升高(即,随着温度升高),期望的SOC范围可能需要被调整或向下移动以减少劣化效应并改善电池。 示例性系统和方法控制车辆电池的SOC,并且可以寻求优化包括电池寿命,电池性能和/或车辆燃料经济性在内的许多不同参数。
    • 3. 发明申请
    • Method of Controlling a State-of-Charge (SOC) of a Vehicle Battery
    • 控制车辆电池的充电状态(SOC)的方法
    • US20120200257A1
    • 2012-08-09
    • US13021204
    • 2011-02-04
    • Jonathan R. SchwarzGregory E. SmithIan L. HannaDamon R. Frisch
    • Jonathan R. SchwarzGregory E. SmithIan L. HannaDamon R. Frisch
    • H02J7/04H02J7/00
    • H01M10/42H01M10/486H01M2200/10H01M2220/20
    • A system and method for controlling a state-of-charge (SOC) of a vehicle battery, such as a high-voltage battery used by a hybrid electric vehicle (HEV) for vehicle propulsion, so that the SOC is maintained within a desired SOC range that is temperature-dependent. In an exemplary embodiment, the system and method use a battery temperature prediction to determine a desired SOC range, and then control the amount of charge on the vehicle battery such that the SOC is maintained within the desired SOC range. As the battery temperature prediction goes lower (i.e., as it gets colder), the desired SOC range may need to be adjusted or shifted upwards in order to account for increased internal battery resistance and to ensure that the vehicle battery has enough power to start the vehicle. Similarly, as the battery temperature prediction goes higher (i.e., as it gets warmer), the desired SOC range may need to be adjusted or shifted downwards in order to reduce degradation effects and improve battery. The exemplary system and method control the SOC of the vehicle battery and may seek to optimize a number of different parameters, including battery life, battery performance and/or vehicle fuel economy.
    • 一种用于控制用于车辆推进的混合电动车辆(HEV)使用的高压电池的车辆电池的充电状态(SOC)的系统和方法,使得SOC保持在期望的SOC 温度依赖的范围。 在示例性实施例中,系统和方法使用电池温度预测来确定期望的SOC范围,然后控制车辆电池上的电荷量,使得SOC保持在期望的SOC范围内。 随着电池温度预测的降低(即,随着温度越来越低),期望的SOC范围可能需要被调整或向上移动,以便考虑增加的内部电池电阻并且确保车辆电池具有足够的功率来启动 车辆。 类似地,随着电池温度预测的升高(即,随着温度升高),期望的SOC范围可能需要被调整或向下移动以减少劣化效应并改善电池。 示例性系统和方法控制车辆电池的SOC,并且可以寻求优化包括电池寿命,电池性能和/或车辆燃料经济性在内的许多不同参数。