KR102599803B1 - Soc추정을 통해 배터리 상태를 진단하는 방법 및 장치 - Google Patents
Soc추정을 통해 배터리 상태를 진단하는 방법 및 장치 Download PDFInfo
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- KR102599803B1 KR102599803B1 KR1020200171923A KR20200171923A KR102599803B1 KR 102599803 B1 KR102599803 B1 KR 102599803B1 KR 1020200171923 A KR1020200171923 A KR 1020200171923A KR 20200171923 A KR20200171923 A KR 20200171923A KR 102599803 B1 KR102599803 B1 KR 102599803B1
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [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]
- G01R31/3644—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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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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
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- Life Sciences & Earth Sciences (AREA)
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Abstract
Description
도 2는 일 실시예에 따른 배터리상태진단장치의 구성도이다.
도 3은 일 실시예에 따른 뉴럴네트워크의 구성도이다.
도 4는 일 실시예에 따른 배터리상태진단방법의 흐름도이다.
도 5는 비주기적인 배터리상태진단방법의 일 예시를 나타내는 도면이다.
Claims (10)
- 배터리관리시스템으로부터 배터리장치에 대한 SOC(state-of-charge)측정값 및 적어도 하나의 배터리측정값을 수신하는 단계;
상기 SOC측정값 및 상기 적어도 하나의 배터리측정값을 뉴럴네트워크에 입력시켜 SOC추정값을 계산하는 단계;
상기 SOC측정값과 상기 SOC추정값의 RMS(root-mean-square)오차를 계산하고, 상기 RMS오차가 기준값을 초과하는 경우, 상기 배터리장치를 비정상으로 판단하는 단계;
상기 SOC추정값을 퍼지예측기에 입력시켜 SOC예측범위를 계산하는 단계; 및
상기 SOC측정값을 상기 SOC예측범위와 비교하고, 상기 SOC측정값이 상기 SOC예측범위를 벗어나는 경우, 상기 배터리장치를 비정상으로 판단하는 단계
를 포함하는 배터리상태진단방법. - 제1항에 있어서,
상기 적어도 하나의 배터리측정값은,
상기 배터리장치의 단자전압측정값을 포함하는 배터리상태진단방법. - 제1항에 있어서,
상기 적어도 하나의 배터리측정값은,
상기 배터리장치의 온도측정값을 포함하는 배터리상태진단방법. - 삭제
- 제1항에 있어서,
상기 뉴럴네트워크는 복수의 히든레이어를 포함하고,
각각의 히든레이어는 선형함수로 구성되는 배터리상태진단방법. - 배터리관리시스템으로부터 배터리장치에 대한 SOC(state-of-charge)측정값 및 적어도 하나의 배터리측정값을 수신하는 수신부;
상기 SOC측정값 및 상기 적어도 하나의 배터리측정값을 이용하여 SOC추정값을 계산하는 뉴럴네트워크;
상기 SOC추정값을 이용하여 SOC예측범위를 계산하는 퍼지예측기; 및
상기 SOC측정값을 상기 SOC예측범위와 비교하고 상기 SOC측정값이 상기 SOC예측범위를 벗어나는 경우 상기 배터리장치를 비정상으로 판단하고, 상기 SOC측정값과 상기 SOC추정값의 RMS(root-mean-square)오차를 계산하고 상기 RMS오차가 기준값을 초과하는 경우 상기 배터리장치를 비정상으로 판단하는 제어부
를 포함하는 배터리상태진단장치. - 제6항에 있어서,
상기 배터리관리시스템은,
뉴럴네트워크 기법과 다른 기법으로 상기 SOC측정값을 생성하는 배터리상태진단장치. - 제6항에 있어서,
상기 배터리관리시스템은,
전류적산법을 이용하여 상기 SOC측정값을 생성하는 배터리상태진단장치. - 제6항에 있어서,
상기 배터리장치는 전기자동차에 탑재되는 배터리상태진단장치. - 삭제
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| KR1020200171923A KR102599803B1 (ko) | 2020-12-10 | 2020-12-10 | Soc추정을 통해 배터리 상태를 진단하는 방법 및 장치 |
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| KR1020200171923A KR102599803B1 (ko) | 2020-12-10 | 2020-12-10 | Soc추정을 통해 배터리 상태를 진단하는 방법 및 장치 |
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| KR20220082234A KR20220082234A (ko) | 2022-06-17 |
| KR102599803B1 true KR102599803B1 (ko) | 2023-11-09 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102879352B1 (ko) | 2022-07-26 | 2025-10-31 | 경북대학교 산학협력단 | 신경망 모델 뱅크를 기반으로 하는 리튬 배터리의 온라인 충전 상태 및 건강 상태 추정 방법 및 시스템 |
| KR102855466B1 (ko) | 2023-05-03 | 2025-09-03 | 경북대학교 산학협력단 | 신경회로망 기반으로 배터리팩을 구성하는 배터리셀들에 대한 soc를 추정하는 배터리 관리 시스템 및 방법 |
| KR102865495B1 (ko) | 2023-10-13 | 2025-09-26 | 경북대학교 산학협력단 | 배터리셀 또는 배터리팩을 위한 배터리 관리장치 및 방법 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011127973A (ja) * | 2009-12-16 | 2011-06-30 | Kawasaki Heavy Ind Ltd | 二次電池の充電状態推定方法及び装置 |
| JP2018072265A (ja) * | 2016-11-02 | 2018-05-10 | カルソニックカンセイ株式会社 | 充電率推定装置及び充電率推定方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100793616B1 (ko) * | 2005-06-13 | 2008-01-10 | 주식회사 엘지화학 | 배터리 잔존량 추정 장치 및 방법 |
| US20200355749A1 (en) * | 2018-01-11 | 2020-11-12 | Semiconductor Energy Laboratory Co., Ltd. | Device detecting abnormality of secondary battery, abnormality detection method, and program |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011127973A (ja) * | 2009-12-16 | 2011-06-30 | Kawasaki Heavy Ind Ltd | 二次電池の充電状態推定方法及び装置 |
| JP2018072265A (ja) * | 2016-11-02 | 2018-05-10 | カルソニックカンセイ株式会社 | 充電率推定装置及び充電率推定方法 |
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| Title |
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| 전기학회논문지 63권 8호(2014년 8월)* |
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