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    • 1. 发明申请
      US20120133369A1 ALGORITHM FOR DETERMINING THE CAPACITY OF A BATTERY WHILE IN SERVICE 有权
    • ALGORITHM FOR DETERMINING THE CAPACITY OF A BATTERY WHILE IN SERVICE
    • 用于确定电池在使用中的能力的算法
    • US20120133369A1
    • 2012-05-31
    • US13028956
    • 2011-02-16
    • Kurt M. Johnson , Gregory E. Smith , Damon R. Frisch , Brian J. Koch
    • Kurt M. Johnson , Gregory E. Smith , Damon R. Frisch , Brian J. Koch
    • G01N27/27
    • G01R31/3648
    • A method for estimating the capacity of a vehicle battery while in service. The method includes providing a previous battery state-of-charge, battery temperature and integrated battery current amp-hours, and determining that battery contactors have been closed after they have been opened and disconnected from a load. The method determines if the battery has been at rest for a long enough period of time while the contactors were open, where the battery rest time is based on battery temperature, and determines an initial battery voltage from a last time step when the battery contactors were closed prior to the contactors being open during the battery rest time. The method determines a present battery state-of-charge from the initial battery voltage and the battery temperature and calculates the battery capacity based on the battery integrated current amp-hours divided by the difference between the present battery state-of-charge and the previous battery state-of-charge.
    • 一种用于在使用中估计车辆电池的容量的方法。 该方法包括提供先前的电池充电状态，电池温度和集成的电池电流安培小时，并且确定电池接触器在已经被打开并与负载断开之后已被关闭。 该方法确定电池在接触器打开时是否已经休息足够长的时间，其中电池休息时间是基于电池温度，并且当电池接触器是最后时间步长时确定最后时间步长的初始电池电压 在电池休息时间期间接触器打开之前关闭。 该方法根据初始电池电压和电池温度来确定当前电池的充电状态，并且基于电池集成的当前安培小时除以当前电池充电状态与之前的电池电压之间的差异来计算电池容量 电池充电状态。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 2. 发明授权
      US08525519B2 Algorithm for determining the capacity of a battery while in service 有权
    • Algorithm for determining the capacity of a battery while in service
    • 用于在使用中确定电池容量的算法
    • US08525519B2
    • 2013-09-03
    • US13028956
    • 2011-02-16
    • Kurt M. Johnson , Gregory E. Smith , Damon R. Frisch , Brian J. Koch
    • Kurt M. Johnson , Gregory E. Smith , Damon R. Frisch , Brian J. Koch
    • H01M10/44 , H01M10/46
    • G01R31/3648
    • A method for estimating the capacity of a vehicle battery while in service. The method includes providing a previous battery state-of-charge, battery temperature and integrated battery current amp-hours, and determining that battery contactors have been closed after they have been opened and disconnected from a load. The method determines if the battery has been at rest for a long enough period of time while the contactors were open, where the battery rest time is based on battery temperature, and determines an initial battery voltage from a last time step when the battery contactors were closed prior to the contactors being open during the battery rest time. The method determines a present battery state-of-charge from the initial battery voltage and the battery temperature and calculates the battery capacity based on the battery integrated current amp-hours divided by the difference between the present battery state-of-charge and the previous battery state-of-charge.
    • 一种用于在使用中估计车辆电池的容量的方法。 该方法包括提供先前的电池充电状态，电池温度和集成的电池电流安培小时，并且确定电池接触器在已经被打开并与负载断开之后已被关闭。 该方法确定电池在接触器打开时是否已经休息足够长的时间，其中电池休息时间是基于电池温度，并且当电池接触器是最后时间步长时确定最后时间步长的初始电池电压 在电池休息时间期间接触器打开之前关闭。 该方法根据初始电池电压和电池温度来确定当前电池的充电状态，并且基于电池集成的当前安培小时除以当前电池充电状态与之前的电池电压之间的差异来计算电池容量 电池充电状态。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 9. 发明授权
      US08937452B2 Method of controlling a state-of-charge (SOC) of a vehicle battery 有权
    • 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. Schwarz , Gregory E. Smith , Ian L. Hanna , Damon R. Frisch
    • Jonathan R. Schwarz , Gregory E. Smith , Ian L. Hanna , Damon R. Frisch
    • H02J7/14 , H01M10/42 , H01M10/48
    • H01M10/42 , H01M10/486 , H01M2200/10 , H01M2220/20
    • 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。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 10. 发明申请
      US20120200257A1 Method of Controlling a State-of-Charge (SOC) of a Vehicle Battery 有权
    • 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
    • US20120200257A1
    • 2012-08-09
    • US13021204
    • 2011-02-04
    • Jonathan R. Schwarz , Gregory E. Smith , Ian L. Hanna , Damon R. Frisch
    • Jonathan R. Schwarz , Gregory E. Smith , Ian L. Hanna , Damon R. Frisch
    • H02J7/04 , H02J7/00
    • H01M10/42 , H01M10/486 , H01M2200/10 , H01M2220/20
    • 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。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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