JP7155486B2 - バッテリー管理システム、バッテリー管理方法、バッテリーパック及び電気車両 - Google Patents
バッテリー管理システム、バッテリー管理方法、バッテリーパック及び電気車両 Download PDFInfo
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- 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
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- 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
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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- 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]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
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- 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]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Description
Claims (12)
- バッテリーの電流、電圧及び温度を示すバッテリー情報を生成するように構成されるセンシング部と、
拡張カルマンフィルターを実行し、前記バッテリー情報に基づいて前記バッテリーの充電状態を推定するように構成される制御部と、を含み、
前記制御部は、
前記拡張カルマンフィルターの時間アップデートプロセスを用いて、以前周期の充電状態を示す以前推定値及び前記バッテリー情報に基づいて現周期の充電状態に対する臨時推定値を決定し、
前記臨時推定値と基準範囲との比較結果に基づいて開放電圧情報を決定し、
前記拡張カルマンフィルターの測定アップデートプロセスを用いて、前記臨時推定値、前記開放電圧情報及び前記バッテリー情報に基づいて、前記現周期の充電状態を示す確定推定値を決定するように構成される、バッテリー管理システム。 - 前記開放電圧情報は、第1開放電圧ファクター値を含み、
前記制御部は、前記臨時推定値が前記基準範囲外である場合、所定の第1勾配調節値を前記第1開放電圧ファクター値に決定するように構成される、請求項1に記載のバッテリー管理システム。 - 前制御部は、前記臨時推定値が前記基準範囲内である場合、前記第1勾配調節値よりも小さい所定の第2勾配調節値を前記第1開放電圧ファクター値に決定するように構成される、請求項2に記載のバッテリー管理システム。
- 前記制御部は、前記バッテリーの最大容量に基づき、前記基準範囲の最大値を決定するように構成される、請求項3に記載のバッテリー管理システム。
- 前記制御部は、前記バッテリーの設計容量と前記最大容量との差が増加するほど、前記基準範囲の最大値を増加させるように構成される、請求項4に記載のバッテリー管理システム。
- 前記開放電圧情報は、第2開放電圧ファクター値を含み、
前記制御部は、前記臨時推定値が前記基準範囲外である場合、前記バッテリーの充電状態と開放電圧との対応関係が規定されたデータテーブルから、前記臨時推定値に対応する第1開放電圧を前記第2開放電圧ファクター値に決定するように構成される、請求項1から5のいずれか一項に記載のバッテリー管理システム。 - 前記制御部は、前記臨時推定値が前記基準範囲内である場合、前記基準範囲の最大値に対応する第2開放電圧を前記第2開放電圧ファクター値に決定するように構成され、
前記基準範囲の最大値が所定の基準値以上である、請求項6に記載のバッテリー管理システム。 - 請求項1から7のいずれか一項に記載の前記バッテリー管理システムを含む、バッテリーパック。
- 請求項8に記載の前記バッテリーパックを含む、電気車両。
- 請求項1から7のいずれか一項に記載のバッテリー管理システムによって実行可能なバッテリー管理方法であって、
前記バッテリーの電流、電圧及び温度を示すバッテリー情報を収集する段階と、
前記拡張カルマンフィルターの時間アップデートプロセスを用いて、以前周期の充電状態を示す以前推定値及び前記バッテリー情報に基づいて現周期の充電状態に対する臨時推定値を決定する段階と、
前記臨時推定値と基準範囲との比較結果に基づいて開放電圧情報を決定する段階と、
前記拡張カルマンフィルターの測定アップデートプロセスを用いて、前記臨時推定値、前記開放電圧情報及び前記バッテリー情報に基づいて前記現周期の充電状態を示す確定推定値を決定する段階と、を含む、バッテリー管理方法。 - 前記開放電圧情報を決定する段階は、
前記臨時推定値が前記基準範囲外である場合、所定の第1勾配調節値を第1開放電圧ファクター値に決定する段階と、
前記臨時推定値が前記基準範囲内である場合、前記第1勾配調節値よりも小さい所定の第2勾配調節値を前記第1開放電圧ファクター値に決定する段階と、を含み、
前記開放電圧情報が前記第1開放電圧ファクター値を含む、請求項10に記載のバッテリー管理方法。 - 前記開放電圧情報を決定する段階は、
前記臨時推定値が基準範囲外である場合、前記バッテリーの充電状態と開放電圧との対応関係が規定されたデータテーブルから、前記臨時推定値に対応する開放電圧を第2開放電圧ファクター値に決定する段階と、
前記臨時推定値が前記基準範囲内である場合、前記基準範囲の最大値に対応する第2開放電圧を前記第2開放電圧ファクター値に決定する段階と、を含み、
前記開放電圧情報が前記第2開放電圧ファクター値を含む、請求項10に記載のバッテリー管理方法。
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KR10-2019-0021448 | 2019-02-22 | ||
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KR1020200013286A KR20200102927A (ko) | 2019-02-22 | 2020-02-04 | 배터리 관리 시스템, 배터리 관리 방법, 배터리 팩 및 전기 차량 |
KR10-2020-0013286 | 2020-02-04 | ||
PCT/KR2020/001773 WO2020171442A1 (ko) | 2019-02-22 | 2020-02-07 | 배터리 관리 시스템, 배터리 관리 방법, 배터리 팩 및 전기 차량 |
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JPWO2020171442A5 JPWO2020171442A5 (ja) | 2022-05-10 |
JP7155486B2 true JP7155486B2 (ja) | 2022-10-19 |
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KR102458526B1 (ko) * | 2018-02-07 | 2022-10-25 | 주식회사 엘지에너지솔루션 | 배터리의 동작 상태에 따라 soc를 추정하는 장치 및 방법 |
KR102572652B1 (ko) * | 2020-09-11 | 2023-08-31 | 삼성에스디아이 주식회사 | 배터리의 충전상태를 추정하는 방법 |
JP2024000680A (ja) * | 2022-06-21 | 2024-01-09 | 株式会社クボタ | バッテリパック |
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JP2008546989A (ja) | 2005-06-13 | 2008-12-25 | エルジー・ケム・リミテッド | バッテリーの残存容量を推定する装置及び方法 |
JP2012047580A (ja) | 2010-08-26 | 2012-03-08 | Calsonic Kansei Corp | バッテリの充電率推定装置 |
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US20210199724A1 (en) | 2021-07-01 |
JP2021533338A (ja) | 2021-12-02 |
US11567137B2 (en) | 2023-01-31 |
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