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1. 发明申请

US20130311116A1 Battery System and Method with SOC/SOH Observer 审中-公开
标题翻译：电池系统和方法与SOC / SOH观察员
公开(公告)号：US20130311116A1
公开(公告)日：2013-11-21
申请号：US13895126
申请日：2013-05-15
申请人： Robert Bosch GmbH
发明人： Nalin Chaturvedi , Michael Schoenleber , Jasim Ahmed , Aleksandar Kojic
IPC分类号： G01R31/36 , H01M10/44
CPC分类号： G01R31/388 , G01R31/367 , G01R31/382 , G01R31/3842 , G01R31/389 , G06F17/11 , H01M10/446
摘要： An electrochemical battery system in one embodiment includes at least one electrochemical cell, a first sensor configured to generate a current signal indicative of an amplitude of a current passing into or out of the at least one electrochemical cell, a second sensor configured to generate a voltage signal indicative of a voltage across the at least one electrochemical cell, a memory in which command instructions are stored, and a processor configured to execute the command instructions to obtain the current signal and the voltage signal, and to generate an estimated SOC and kinetic parameters for an equivalent circuit model of the at least one electrochemical cell by obtaining a derivative of an open cell voltage, obtaining an estimated nominal capacity of the at least one electrochemical cell, estimating the kinetic parameters using a modified least-square algorithm with forgetting factor, and estimating the SOC using the estimated kinetic parameters.
摘要翻译：一个实施例中的电化学电池系统包括至少一个电化学电池，第一传感器被配置为产生指示通过或流出至少一个电化学电池的电流的幅度的电流信号;第二传感器，被配置为产生电压指示所述至少一个电化学电池的电压的信号，其中存储命令指令的存储器和被配置为执行命令指令以获得当前信号和电压信号的处理器，以及生成估计的SOC和动力学参数对于所述至少一个电化学电池的等效电路模型，通过获得开放电池电压的导数，获得所述至少一个电化学电池的估计的额定容量，使用具有遗忘因子的修改的最小二乘算法估计所述动力学参数，并使用估计的动力学参数估计SOC。

2. 发明申请

US20130311117A1 Battery System and Method with Capacity Estimator 有权
标题翻译：电池系统和方法与容量估算器
公开(公告)号：US20130311117A1
公开(公告)日：2013-11-21
申请号：US13895148
申请日：2013-05-15
申请人： Robert Bosch GmbH
发明人： Nalin Chaturvedi , Michael Schoenleber , Jasim Ahmed , Aleksandar Kojic
IPC分类号： G01R31/36 , G06F17/11
CPC分类号： G01R31/3637 , G01R31/3606 , G01R31/3624 , G01R31/3651 , G01R31/3662 , G06F17/11 , H01M10/446
摘要： An electrochemical battery system in one embodiment includes at least one electrochemical cell, a current sensor configured to generate a current signal, a voltage sensor configured to generate a voltage signal, a memory in which command instructions are stored, and a processor configured to execute the command instructions to obtain the current signal and the voltage signal, and to generate an estimated cell nominal capacity (Cnom) of the at least one electrochemical cell by estimating a first leg Cnom during a first charging sequence using a first charging current, estimating a second leg Cnom during a second charging sequence using a second charging current, wherein the second charging current is at a current amplitude different from the current amplitude of the first charging current, and generating the cell Cnom based upon the first leg Cnom and the second leg Cnom.
摘要翻译：一个实施例中的电化学电池系统包括至少一个电化学电池，被配置为产生电流信号的电流传感器，被配置为产生电压信号的电压传感器，其中存储命令指令的存储器以及被配置为执行命令指令以获得当前信号和电压信号，并且通过使用第一充电电流在第一充电序列期间估计第一支路Cnom来产生所述至少一个电化学电池的估计电池额定容量（Cnom），估计第二充电电流在第二充电顺序期间使用第二充电电流，其中第二充电电流处于与第一充电电流的当前幅度不同的电流幅度，并且基于第一支路Cnom和第二支路Cnom生成单元Cnom 。

3. 发明授权

US09869725B2 Battery system and method with capacity estimator 有权
公开(公告)号：US09869725B2
公开(公告)日：2018-01-16
申请号：US13895148
申请日：2013-05-15
申请人： Robert Bosch GmbH
发明人： Nalin Chaturvedi , Michael Schoenleber , Jasim Ahmed , Aleksandar Kojic
IPC分类号： G01R31/36 , G06F17/11 , H01M10/44
CPC分类号： G01R31/3637 , G01R31/3606 , G01R31/3624 , G01R31/3651 , G01R31/3662 , G06F17/11 , H01M10/446
摘要： An electrochemical battery system in one embodiment includes at least one electrochemical cell, a current sensor configured to generate a current signal, a voltage sensor configured to generate a voltage signal, a memory in which command instructions are stored, and a processor configured to execute the command instructions to obtain the current signal and the voltage signal, and to generate an estimated cell nominal capacity (Cnom) of the at least one electrochemical cell by estimating a first leg Cnom during a first charging sequence using a first charging current, estimating a second leg Cnom during a second charging sequence using a second charging current, wherein the second charging current is at a current amplitude different from the current amplitude of the first charging current, and generating the cell Cnom based upon the first leg Cnom and the second leg Cnom.

4. 发明申请

US20140180614A1 System And Method For Selective Estimation Of Battery State With Reference To Persistence Of Excitation And Current Magnitude 审中-公开
标题翻译：参考激励和电流幅度持续的电池状态的选择性估计的系统和方法
公开(公告)号：US20140180614A1
公开(公告)日：2014-06-26
申请号：US13727187
申请日：2012-12-26
申请人： BOSCH ENERGY STORAGE SOLUTIONS LLC , ROBERT BOSCH GMBH
发明人： Nalin Chaturvedi , Michael Schoenleber , Christopher Mayhew , Reinhardt Klein , Jasim Ahmed , Aleksandar Kojic
IPC分类号： G01R31/36
CPC分类号： G01R31/3648 , G01R31/367 , G01R31/392
摘要： A method of monitoring a battery with a controller identifies appropriate times for estimating a state of the battery. The method includes identifying a persistence of excitation in the battery, identifying a magnitude of an electrical current that is supplied to the battery, and performing a state estimation process for the battery only in response to the identified persistence of excitation exceeding a first predetermined threshold and the identified magnitude of the electrical current exceeding a second predetermined threshold.
摘要翻译：用控制器监测电池的方法识别用于估计电池状态的适当时间。该方法包括识别电池中的激励持续性，识别提供给电池的电流的大小，以及仅响应于所识别的超过第一预定阈值的激励持续时间而对电池进行状态估计处理，以及所识别的电流大小超过第二预定阈值。

5. 发明申请

US20130311115A1 Battery System and Method with Parameter Estimator 审中-公开
标题翻译：电池系统和方法与参数估计
公开(公告)号：US20130311115A1
公开(公告)日：2013-11-21
申请号：US13895096
申请日：2013-05-15
申请人： Robert Bosch GmbH
发明人： Nalin Chaturvedi , Michael Schoenleber , Jasim Ahmed , Aleksandar Kojic
IPC分类号： G01R31/36 , H01M10/44
CPC分类号： G01R31/388 , G01R31/367 , G01R31/382 , G01R31/3842 , G01R31/389 , G06F17/11 , H01M10/446
摘要： An electrochemical battery system in one embodiment includes at least one electrochemical cell, a first sensor configured to generate a current signal indicative of an amplitude of a current passing into or out of the at least one electrochemical cell, a second sensor configured to generate a voltage signal indicative of a voltage across the at least one electrochemical cell, a memory in which command instructions are stored, and a processor configured to execute the command instructions to obtain the current signal and the voltage signal, and to generate kinetic parameters for an equivalent circuit model of the at least one electrochemical cell by obtaining a derivative of an open cell voltage (Uocv), obtaining an estimated nominal capacity (Cnom) of the at least one electrochemical cell, and estimating the kinetic parameters using a modified least-square algorithm with forgetting factor.
摘要翻译：一个实施例中的电化学电池系统包括至少一个电化学电池，第一传感器被配置为产生指示通过或流出至少一个电化学电池的电流的幅度的电流信号;第二传感器，被配置为产生电压指示所述至少一个电化学电池的电压的信号，其中存储命令指令的存储器，以及被配置为执行命令指令以获得当前信号和电压信号并且产生等效电路的动力学参数的处理器通过获得开放电池电压（Uocv）的导数，获得所述至少一个电化学电池的估计的额定容量（Cnom），以及使用经修改的最小二乘算法估计所述动力学参数来估计所述至少一个电化学电池的模型，忘记因素

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