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    Systems and methods for estimating battery pack capacity during charge sustaining use
    2.
    发明授权
    Systems and methods for estimating battery pack capacity during charge sustaining use 有权
    用于在电荷持续使用期间估计电池组容量的系统和方法

    公开(公告)号：US09535129B2

    公开(公告)日：2017-01-03

    申请号：US14307192

    申请日：2014-06-17

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Kurt M. Johnson ,  Patrick Frost ,  Joon Hwang ,  Damon R. Frisch

    IPC: H02J7/00 ,  G01R31/36

    CPC classification number: G01R31/36 ,  G01R31/361 ,  G01R31/3689 ,  Y02T10/7005

    Abstract: System and methods for estimating a capacity of a battery are presented. In certain embodiments, charge and discharge current throughput data may be separately accumulated during operation of a battery system (e.g., during a charge sustaining operation of vehicle associated with the battery system). Charge and discharge voltage-based state of charge movement data may be further separately accumulated. Upon accumulating sufficient data, estimated charge and discharge battery capacities may be determined based on the accumulated data.

    Abstract translation: 介绍了用于估计电池容量的系统和方法。 在某些实施例中，在电池系统的操作期间（例如，在与电池系统相关联的车辆的充电维持操作期间），充电和放电电流吞吐量数据可以单独地累积。 可以进一步分别累积基于充电和放电电压的充电状态的运动数据。 在累积足够的数据时，可以基于累积数据来确定估计的充电和放电电池容量。

    Methods and systems for determining whether a voltage measurement is usable for a state of charge estimation
    4.
    发明授权
    Methods and systems for determining whether a voltage measurement is usable for a state of charge estimation 有权
    用于确定电压测量是否可用于充电状态估计的方法和系统

    公开(公告)号：US09267995B2

    公开(公告)日：2016-02-23

    申请号：US13717958

    申请日：2012-12-18

    Applicant: GM Global Technology Operations LLC

    Inventor： Kurt M. Johnson ,  Brett B. Stawinski ,  Brian J. Koch ,  Damon R. Frisch ,  Patrick Frost

    IPC: G01R31/36

    CPC classification number: G01R31/362 ,  G01R31/3648

    Abstract: Systems and methods for improvements in battery state of charge accuracy, charge termination consistency, capacity estimation, and energy delivery consistency. More specifically, embodiments herein detail systems and methods using an algorithm to calculate the change in state of charge for a given voltage change (dSOC/dV) at a given temperature in a region around the present voltage measurement or estimation and to set a signal indicating when the measurement should not be used due to potential error.

    Abstract translation: 电池充电精度，充电终端一致性，容量估计和能量传输一致性的改进的系统和方法。 更具体地，本文的实施例详细描述了使用算法计算在当前电压测量或估计周围的区域中给定温度下的给定电压变化（dSOC / dV）的电荷状态变化的系统和方法，并且设置指示 当由于潜在的错误而不应使用测量时。

    Systems and methods to protect against over-discharge in a battery system
    7.
    发明授权
    Systems and methods to protect against over-discharge in a battery system 有权
    防止电池系统过度放电的系统和方法

    公开(公告)号：US09395327B2

    公开(公告)日：2016-07-19

    申请号：US13690886

    申请日：2012-11-30

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Robert C. Baraszu ,  Kurt M. Johnson ,  Zachary D. Bylsma ,  Damon R. Frisch ,  Wei Liu ,  David S. Maxwell

    IPC: G01N27/416 ,  H01M10/48

    CPC classification number: G01N27/416 ,  H01M10/482 ,  H01M2220/20

    Abstract: A battery system may include a plurality of subdivisions, such as battery cells or sub-packs. A measurement system configured to determine a subdivision electrical parameter associated with each of a plurality of subdivisions. A battery control may identify a subdivision satisfying a criterion based on the plurality of subdivision electrical parameters. According to some embodiments, the battery control system may determine a ratio of the subdivision electrical parameter of the identified subdivision to the electrical parameter of the battery pack. The ratio may be used to scale the electrical parameter associated with the battery pack by the ratio. According to other embodiments, the subdivision electrical parameter associated with the identified subdivision may be provided to a battery state estimation system. The scaled electrical parameter or the electrical parameter associated with the identified subdivision may be used by a battery state estimation system to generate an estimated battery state.

    Abstract translation: 电池系统可以包括多个细分，诸如电池单元或子包。 一种测量系统，被配置为确定与多个子部分中的每一个相关联的细分电参数。 电池控制可以基于多个细分电参数识别满足标准的细分。 根据一些实施例，电池控制系统可以确定所识别的细分的细分电参数与电池组的电参数的比率。 该比率可以用于按比例缩放与电池组相关联的电参数。 根据其他实施例，可以将与所识别的细分相关联的细分电参数提供给电池状态估计系统。 缩放的电参数或与所识别的细分相关联的电参数可以由电池状态估计系统使用以产生估计的电池状态。

    Systems and methods for evaluating and controlling a battery system
    8.
    发明授权
    Systems and methods for evaluating and controlling a battery system 有权
    用于评估和控制电池系统的系统和方法

    公开(公告)号：US09065278B2

    公开(公告)日：2015-06-23

    申请号：US13747275

    申请日：2013-01-22

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Robert C. Baraszu ,  Kurt M. Johnson ,  Zachary D. Bylsma ,  Damon R. Frisch ,  George Robison ,  Ashley McAllister

    IPC: H02J7/00

    CPC classification number: H02J7/00 ,  H01M10/425 ,  H01M10/482 ,  H01M2220/20 ,  H02J7/0021 ,  H02J7/0026 ,  H02J2007/004 ,  Y02T10/7005 ,  Y02T10/7055

    Abstract: Systems and methods for estimating the relative capacity of individual battery subdivisions in a battery system are presented. In some embodiments, a system may include calculation system configured to analyze the electrical parameters to generate derivative values of the parameters over a period of time. The calculation system may further calculate summation values associated with individual battery subdivisions based upon the derivate values. A battery control system may utilize the summation values to generate one or more commands configured to control an aspect of an operation of the battery pack based on using the summation values. The summation values associated with battery subdivisions may be used to determine a relative capacity for storing electrical energy, according to some embodiments. The determination of relative capacity may be used by a control system to prevent over-discharge of a battery subdivision having the lowest energy storage capacity.

    Abstract translation: 提出了用于估计电池系统中各个电池细分相对容量的系统和方法。 在一些实施例中，系统可以包括被配置为分析电参数以在一段时间内生成参数的导数值的计算系统。 计算系统可以基于导出值进一步计算与各个电池细分相关联的求和值。 电池控制系统可以利用求和值来生成配置成基于使用求和值来控制电池组的操作的一个方面的一个或多个命令。 根据一些实施例，与电池细分相关联的求和值可用于确定用于存储电能的相对容量。 相对容量的确定可以由控制系统用于防止具有最低能量存储容量的电池分区的过度放电。

    METHODS AND SYSTEMS FOR DETERMINING WHETHER A VOLTAGE MEASUREMENT IS USABLE FOR A STATE OF CHARGE ESTIMATION
    9.
    发明申请
    METHODS AND SYSTEMS FOR DETERMINING WHETHER A VOLTAGE MEASUREMENT IS USABLE FOR A STATE OF CHARGE ESTIMATION 有权
    用于确定电压测量可用于充电状态状态的方法和系统

    公开(公告)号：US20140172332A1

    公开(公告)日：2014-06-19

    申请号：US13717958

    申请日：2012-12-18

    Applicant: GM Global Technology Operations LLC

    Inventor： Kurt M. Johnson ,  Brett B. Stawinski ,  Brian J. Koch ,  Damon R. Frisch ,  Patrick Frost

    IPC: G01R31/36

    CPC classification number: G01R31/362 ,  G01R31/3648

    Abstract: Systems and methods for improvements in battery state of charge accuracy, charge termination consistency, capacity estimation, and energy delivery consistency. More specifically, embodiments herein detail systems and methods using an algorithm to calculate the change in state of charge for a given voltage change (dSOC/dV) at a given temperature in a region around the present voltage measurement or estimation and to set a signal indicating when the measurement should not be used due to potential error.

    Abstract translation: 电池充电精度，充电终端一致性，容量估计和能量传输一致性的改进的系统和方法。 更具体地，本文的实施例详细描述了使用算法计算在当前电压测量或估计周围的区域中给定温度下的给定电压变化（dSOC / dV）的电荷状态变化的系统和方法，并且设置指示 当由于潜在的错误而不应使用测量时。

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