Verbrugge Mark W, Tate Jr Edward D, Sarbacker Shawn D, Koch Brian J: Pseudo adaptive method and system to decide charging state of battery. General Motors Corp &Lt Gm&Gt, October 18, 2002: JP2002-305039 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method to monitor the charging state in a battery pack of a hybrid vehicle.SOLUTION: This method comprises a step 30 of deciding measurement values of the charging state based on the Coulombic integral of the battery, a step 32 of deciding the measurement value of ...

Zettel Andrew M, Frisch Damon R, Jeffers Mary A, Tamai Goro, Koch Brian J: On-board battery refresh charging. Gen Motors, cheng tianzheng chen jingjun, August 16, 2006: CN200610007153

A refresh control system that selectively initiates a refresh charge cycle includes an energy storage device and an electric machine that is operable to charge the energy storage device. A control module monitors a usage period of the energy storage device and determines a bias factor. The control m ...

Liu Wei, Gielniak Michael J, Lin Jian, Koch Brian J, Frisch Damon R, Lograsso Joseph M: Method and system for determining a state of charge of a battery based on a transient response. GM Global Tech Operations, Fan Xiaobin, Cao Re, March 31, 2010: CN200910204433

Methods and systems for determining a state of charge of a battery exhibiting a transient response are provided. At least one property of the battery is measured. The state of charge of the battery isdetermined based on the at least one measured property and a transient response of the battery.

Tang Xidong, Zhang Xiaodong, Chin Yuen Kwok, Koch Brian J, Frisch Damon R: Model-based estimation of battery hysteresis. Gm Global Technology Operations, CICHOSZ Vincent A, September 3, 2009: WO/2009/108494

A method of battery state of charge estimation considering battery hysteresis includes using a Preisach-model-based algorithm to calculate a battery state of charge.

Koch Brian J, Frisch Damon R, Conell Robert S: Fast search algorithm for finding initial diffusion voltage in electro-chemical systems. Gm Global Tech Operations, wangyue wangxiao heng, July 23, 2008: CN200710306178

A method for determining a diffusion voltage in an electrochemical cell (e.g., a battery used in connection with an automotive vehicle) includes estimating a previous diffusion voltage, calculating a new diffusion voltage using an equation based on a diffusion circuit model and the previous diffusio ...

Johnson Kurt M, Smith Gregory E, Frisch Damon R, Koch Brian J: Algorithm for determining capacity of battery while in service. GM Global Tech Operations, cui yaobeng yang jie, May 30, 2012: CN201110389503

A method for estimating the capacity of a vehicle battery while in service is related. 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 ...

Tang Xidong, Zhang Yandong, Baughman Andrew C, Koch Brian J, Lin Jian, Frisch Damon R: Dynamic Battery Capacity Estimation. Gm Global Technology Operations, ge jing, July 4, 2012: CN201110386847

A method of determining a state of health of a battery in real time includes estimating a parameter value associated with the state of health of the battery and determining one or more of a terminal voltage, an accumulated charge, a state of charge, and a temperature of the battery. The method furth ...

Lin Jian, Tang Xidong, Koch Brian J, Lograsso Joseph M, Frisch Damon R, Nabi Rezina A: Adaptive battery parameter extraction and SOC estimation for lithium-ion battery. GM Global Tech Operations, xue feng yang jie, March 7, 2012: CN201110169278

A system and method for estimating internal parameters of a lithium-ion battery to provide a reliable battery state-of-charge estimate. The method uses a two RC-pair equivalent battery circuit model to estimate the battery parameters, including a battery open circuit voltage, an ohmic resistance, a ...

Minarcin Monika A, Koch Brian J: Energy storage system energy capacity and capability monitor. GM Global Tech Operations, yuan chaohui yang jiong, April 11, 2012: CN201110285469

A method and device for reporting the characteristics of an energy storage system. The method comprises acquiring the open circuit voltage. The method also comprises providing a coulomb capability and a coulomb capacity of the energy storage system based on the open circuit voltage, and determining ...

Lin Jian, Tang Xidong, Koch Brian J: Adaptive slowly-varying current detection. GM Global Tech Operations, song baoku fu yongxiao, May 16, 2012: CN201110320301

A system and method for determining whether an onboard estimation process, such as a recursive least squares regression process, can effectively calculate the state-of-charge of a battery. The method includes defining a current sample time and a previous sample time and measuring the battery current ...