WO2010029355A3 - State of charge estimation - Google Patents

State of charge estimation Download PDF

Info

Publication number
WO2010029355A3
WO2010029355A3 PCT/GB2009/051151 GB2009051151W WO2010029355A3 WO 2010029355 A3 WO2010029355 A3 WO 2010029355A3 GB 2009051151 W GB2009051151 W GB 2009051151W WO 2010029355 A3 WO2010029355 A3 WO 2010029355A3
Authority
WO
WIPO (PCT)
Prior art keywords
equivalent circuit
state
charge
calculating
losses
Prior art date
Application number
PCT/GB2009/051151
Other languages
French (fr)
Other versions
WO2010029355A2 (en
Inventor
Peter Miller
Original Assignee
Ricardo Uk Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricardo Uk Limited filed Critical Ricardo Uk Limited
Publication of WO2010029355A2 publication Critical patent/WO2010029355A2/en
Publication of WO2010029355A3 publication Critical patent/WO2010029355A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3828—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/392—Determining battery ageing or deterioration, e.g. state of health

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

A method of calculating the state of charge of a power source, the method comprising the steps of; providing a plurality of equivalent circuit models; selecting an equivalent circuit from the provided equivalent circuits; calculating the input power to the equivalent circuit; calculating the losses from the equivalent circuit; determining an initial state of charge for the power source from the calculated input power and losses of the equivalent circuit; subsequently recalculating the value of one or more of the component parts of the equivalent circuit based on the temperature behaviour of the cell; and determining a state of charge using one or more of the recalculated component parts.
PCT/GB2009/051151 2008-09-09 2009-09-09 State of charge estimation WO2010029355A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0816459.2 2008-09-09
GB0816459A GB2463297A (en) 2008-09-09 2008-09-09 Determining a power source state of charge using an equivalent circuit model

Publications (2)

Publication Number Publication Date
WO2010029355A2 WO2010029355A2 (en) 2010-03-18
WO2010029355A3 true WO2010029355A3 (en) 2010-05-06

Family

ID=39889046

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2009/051151 WO2010029355A2 (en) 2008-09-09 2009-09-09 State of charge estimation

Country Status (2)

Country Link
GB (1) GB2463297A (en)
WO (1) WO2010029355A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5307113B2 (en) * 2010-12-20 2013-10-02 古河電気工業株式会社 Full charge detection device and full charge detection method
CN103728564B (en) * 2013-12-20 2016-06-29 惠州市亿能电子有限公司 A kind of hybrid vehicle SOH value evaluation method
CN106971045A (en) * 2017-04-06 2017-07-21 安徽大学 A kind of ultracapacitor dynamic modelling method
CN109889131B (en) * 2019-01-28 2020-07-28 江苏理工学院 Method for inhibiting temperature effect of hybrid power supply driving system of electric automobile
CN113866637B (en) * 2020-06-30 2024-04-26 宁德时代新能源科技股份有限公司 Method, device, equipment and medium for adjusting SOC of power battery
CN112147511A (en) * 2020-08-21 2020-12-29 湖南大学 Lithium ion battery second-order equivalent circuit model and establishment method thereof
WO2022069699A1 (en) * 2020-10-02 2022-04-07 Univerza V Ljubljani A computer-implemented method and data processing system for modelling and/or simulating and/or emulating a battery
CN114189013A (en) * 2021-11-30 2022-03-15 华为数字能源技术有限公司 Charging device, charging method and computer readable storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6456988B1 (en) * 1997-03-12 2002-09-24 U.S. Nanocorp Inc. Method for determining state-of-health using an intelligent system
EP1610140A1 (en) * 2003-03-31 2005-12-28 Yazaki Corporation Apparatus and method for detecting fully charged condition, apparatus and method for detecting charged condition, and apparatus and method for determining degree of degradation
FR2889314A1 (en) * 2005-07-26 2007-02-02 Peugeot Citroen Automobiles Sa Electrochemical accumulator battery`s charge state estimating method for e.g. motor vehicle, involves identifying each model of transfer models based on signals, and selecting identified model for determining charge state of battery
EP1873542A1 (en) * 2006-06-26 2008-01-02 Samsung SDI Co., Ltd. Apparatus and method for estimating charge of a battery
WO2008095315A1 (en) * 2007-02-09 2008-08-14 Advanced Lithium Power Inc. Battery management system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998022830A2 (en) * 1996-11-21 1998-05-28 Philips Electronics N.V. Battery management system and battery simulator
US6313607B1 (en) * 1999-09-01 2001-11-06 Keith S. Champlin Method and apparatus for evaluating stored charge in an electrochemical cell or battery
EP1402279A1 (en) * 2001-06-22 2004-03-31 Johnson Controls Technology Company Battery characterization system
US7324902B2 (en) * 2003-02-18 2008-01-29 General Motors Corporation Method and apparatus for generalized recursive least-squares process for battery state of charge and state of health
US6947855B2 (en) * 2003-08-07 2005-09-20 General Motors Corporation Adaptive algorithm to control and characterize super-capacitor performance
JP4884945B2 (en) * 2006-11-30 2012-02-29 三菱重工業株式会社 Charging state prediction program, overhead line-less traffic system and charging method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6456988B1 (en) * 1997-03-12 2002-09-24 U.S. Nanocorp Inc. Method for determining state-of-health using an intelligent system
EP1610140A1 (en) * 2003-03-31 2005-12-28 Yazaki Corporation Apparatus and method for detecting fully charged condition, apparatus and method for detecting charged condition, and apparatus and method for determining degree of degradation
FR2889314A1 (en) * 2005-07-26 2007-02-02 Peugeot Citroen Automobiles Sa Electrochemical accumulator battery`s charge state estimating method for e.g. motor vehicle, involves identifying each model of transfer models based on signals, and selecting identified model for determining charge state of battery
EP1873542A1 (en) * 2006-06-26 2008-01-02 Samsung SDI Co., Ltd. Apparatus and method for estimating charge of a battery
WO2008095315A1 (en) * 2007-02-09 2008-08-14 Advanced Lithium Power Inc. Battery management system

Also Published As

Publication number Publication date
GB2463297A (en) 2010-03-10
WO2010029355A2 (en) 2010-03-18
GB0816459D0 (en) 2008-10-15

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