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TWI563276B - Method of estimating the state of charge of a battery and system thereof - Google Patents

Method of estimating the state of charge of a battery and system thereof

Info

Publication number
TWI563276B
TWI563276B TW104122895A TW104122895A TWI563276B TW I563276 B TWI563276 B TW I563276B TW 104122895 A TW104122895 A TW 104122895A TW 104122895 A TW104122895 A TW 104122895A TW I563276 B TWI563276 B TW I563276B
Authority
TW
Taiwan
Prior art keywords
estimating
charge
battery
state
Prior art date
Application number
TW104122895A
Other languages
English (en)
Other versions
TW201604566A (zh
Inventor
Chang-Yu Ho
Original Assignee
Richtek Technology Corp
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 Richtek Technology Corp filed Critical Richtek Technology Corp
Publication of TW201604566A publication Critical patent/TW201604566A/zh
Application granted granted Critical
Publication of TWI563276B publication Critical patent/TWI563276B/zh

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
    • G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
TW104122895A 2014-07-21 2015-07-15 Method of estimating the state of charge of a battery and system thereof TWI563276B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201462026786P 2014-07-21 2014-07-21

Publications (2)

Publication Number Publication Date
TW201604566A TW201604566A (zh) 2016-02-01
TWI563276B true TWI563276B (en) 2016-12-21

Family

ID=55074407

Family Applications (1)

Application Number Title Priority Date Filing Date
TW104122895A TWI563276B (en) 2014-07-21 2015-07-15 Method of estimating the state of charge of a battery and system thereof

Country Status (4)

Country Link
US (1) US20160018468A1 (zh)
KR (1) KR101802028B1 (zh)
CN (1) CN105277894B (zh)
TW (1) TWI563276B (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105842627B (zh) * 2016-02-01 2018-06-01 北京理工大学 基于数据模型融合的动力电池容量和荷电状态的估计方法
US20170227607A1 (en) * 2016-02-04 2017-08-10 Mediatek Inc. Schemes capable of efficiently and accurately estimating and/or predicting available battery capacity and battery aging factor
US10942221B2 (en) 2016-02-04 2021-03-09 Mediatek Inc. Method and apparatus capable of accurately estimating/determining power percentage of battery based on confidence levels determined from resultant information of multiple different fuel gauge operations and/or information of battery history, aging factor, sleep time, or battery temperature
CN105891729B (zh) * 2016-06-23 2019-08-13 矽力杰半导体技术(杭州)有限公司 电池及电池组的状态检测方法及装置
FR3069180B1 (fr) * 2017-07-19 2019-08-02 Renault S.A.S Procede de detection d'un defaut d'autodecharge dans une cellule de batterie
JP6834864B2 (ja) * 2017-09-11 2021-02-24 トヨタ自動車株式会社 電池出力監視装置及び方法
CN113075562B (zh) * 2020-01-06 2025-05-02 东莞新能德科技有限公司 电池压差更新方法、电量预估方法、电子装置及存储介质
KR20240154907A (ko) * 2023-04-19 2024-10-28 주식회사 엘지에너지솔루션 배터리 상태 추정 방법 및 그 방법을 제공하는 배터리 시스템
KR102905339B1 (ko) * 2024-11-07 2025-12-26 호남대학교 산학협력단 신경망 모델을 이용한 배터리의 soc 추정 방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060111870A1 (en) * 2004-11-23 2006-05-25 Plett Gregory L Method and system for joint battery state and parameter estimation
TWI287313B (en) * 2004-11-29 2007-09-21 Lg Chemical Ltd Method and system for battery state and parameter estimation
CN101641606A (zh) * 2007-03-23 2010-02-03 株式会社丰田中央研究所 二次电池的状态估计装置
TW201224485A (en) * 2010-12-02 2012-06-16 Ind Tech Res Inst State-of-charge estimation method and battery control unit
CN102569922B (zh) * 2012-03-05 2014-03-05 同济大学 一种基于单体电池一致性的蓄电池组soc估计改进方法

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US6850038B2 (en) * 2002-05-14 2005-02-01 Yazaki Corporation Method of estimating state of charge and open circuit voltage of battery, and method and device for computing degradation degree of battery
WO2008154960A1 (en) * 2007-06-21 2008-12-24 Robert Bosch Gmbh Battery charging method with constant current and constant voltage
KR101189150B1 (ko) * 2008-01-11 2012-10-10 에스케이이노베이션 주식회사 배터리 관리 시스템에서 배터리의 ｓｏｃ 측정 방법 및 장치
US8624560B2 (en) * 2008-04-11 2014-01-07 Apple Inc. Controlling battery charging based on current, voltage and temperature
JP4649682B2 (ja) * 2008-09-02 2011-03-16 株式会社豊田中央研究所 二次電池の状態推定装置
CN102822690B (zh) * 2010-03-26 2015-07-22 三菱电机株式会社 充电状态估计装置
CN102608542B (zh) * 2012-04-10 2013-12-11 吉林大学 动力电池荷电状态估计方法
PL3252854T3 (pl) * 2012-04-13 2019-04-30 Lg Chemical Ltd System bateryjny dla baterii akumulatorowej zawierającej zmieszany materiał katodowy, oraz aparatura i sposób zarządzania nią
CN103675683A (zh) * 2012-09-02 2014-03-26 东莞市振华新能源科技有限公司 一种锂电池荷电状态(soc)估算方法
US9081068B2 (en) * 2012-09-18 2015-07-14 Apple Inc. Method and apparatus for determining a capacity of a battery
CN103293485A (zh) * 2013-06-10 2013-09-11 北京工业大学 基于模型的蓄电池荷电状态估计方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060111870A1 (en) * 2004-11-23 2006-05-25 Plett Gregory L Method and system for joint battery state and parameter estimation
TWI287313B (en) * 2004-11-29 2007-09-21 Lg Chemical Ltd Method and system for battery state and parameter estimation
CN101641606A (zh) * 2007-03-23 2010-02-03 株式会社丰田中央研究所 二次电池的状态估计装置
TW201224485A (en) * 2010-12-02 2012-06-16 Ind Tech Res Inst State-of-charge estimation method and battery control unit
CN102569922B (zh) * 2012-03-05 2014-03-05 同济大学 一种基于单体电池一致性的蓄电池组soc估计改进方法

Also Published As

Publication number Publication date
KR101802028B1 (ko) 2017-11-27
CN105277894B (zh) 2018-01-05
TW201604566A (zh) 2016-02-01
US20160018468A1 (en) 2016-01-21
KR20160011172A (ko) 2016-01-29
CN105277894A (zh) 2016-01-27

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