KR100759706B1 - 하이브리드 차량용 배터리의 충전상태 추정 방법 - Google Patents
하이브리드 차량용 배터리의 충전상태 추정 방법 Download PDFInfo
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- KR100759706B1 KR100759706B1 KR1020060041594A KR20060041594A KR100759706B1 KR 100759706 B1 KR100759706 B1 KR 100759706B1 KR 1020060041594 A KR1020060041594 A KR 1020060041594A KR 20060041594 A KR20060041594 A KR 20060041594A KR 100759706 B1 KR100759706 B1 KR 100759706B1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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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
- G01R31/3828—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration
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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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
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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
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
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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
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
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- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims (12)
- SOC 추정방법에 있어서,초기 SOC 추정시 온도를 측정하는 단계;OCV를 측정하는 단계;온도 변화에 따른 OCV의 변화를 나타내는 파라메터들을 획득하는 단계;상기 획득된 파라메터에 따라 측정된 OCV와 상기 파라메터들을 이용하여 SOC를 산출하는 단계를 포함하는 것을 특징으로 하는 SOC 추정방법.
- 제1항에 있어서,상기 온도 변화에 따른 OCV의 변화를 나타내는 파라메터들은 온도별 파라메터들이 맵핑되어 있는 테이블로부터 획득됨을 특징으로 하는 SOC 추정방법.
- 제1항에 있어서,상기 온도 변화에 따른 OCV의 변화로부터 획득된 수학식에 따라 산출됨을 특징으로 하는 SOC 추정방법.
- SOC 추정방법에 있어서,SOC 추정시 전류 적산을 위해 전류를 측정하는 단계;사이클에 따른 배터리 용량의 감소율을 산출하는 단계;상기 전류를 적산한 값을 상기 사이클에 따른 배터리 용량의 감소율로 나누어 SOC를 추정하는 단계를 포함하는 것을 특징으로 하는 SOC 추정방법.
- 제5항에 있어서,상기 사이클에 따른 배터리 용량의 감소율은 수학식 6에 따라 산출됨을 특징으로 하는 SOC 추정방법.
Fc(cycle) = D5×d5 + D4×d4 + D3×d3 + D2×d2 + D1×d + D0 D0~D5은 상수이고, d는 누적 방전 용량임. - 제1항에 있어서,초기 이후의 SOC 추정시 전류 적산을 위해 전류를 측정하는 단계;사이클에 따른 배터리 용량의 감소율을 산출하는 단계;상기 전류를 적산한 값을 상기 사이클에 따른 배터리 용량의 감소율로 나누어 SOC를 추정하는 단계를 더 포함하는 것을 특징으로 하는 SOC 추정방법.
- 제8항에 있어서,상기 사이클에 따른 배터리 용량의 감소율은 수학식 8에 따라 산출됨을 특징으로 하는 SOC 추정방법.
Fc(cycle) = D5·d5 + D4·d4 + D3·d3 + D2·d2 + D1·d + D0 D0~D5은 상수이고, d는 누적 방전 용량임. - SOC 추정장치에 있어서,온도를 측정하는 온도센서;온도 변화에 따른 OCV의 변화를 나타내는 파라메터들을 저장하는 메모리부;OCV를 측정하는 OCV 측정부;초기 SOC 추정시 상기 온도센서 및 OCV 측정부를 통해 온도 및 OCV를 측정하고, 온도 변화에 따른 OCV의 변화를 나타내는 파라메터들을 상기 메모리부로부터 획득하고, 상기 획득된 파라메터에 따라 측정된 OCV와 상기 파라메터들을 이용하여 SOC를 산출하는 제어부를 포함하는 것을 특징으로 하는 SOC 추정장치.
- 제11항에 있어서,전류를 측정하는 전류 측정부를 더 구비하고,상기 제어부가,초기 이후의 SOC 추정시 전류 적산을 위해 전류 측정부를 통해 전류를 측정하고, 사이클에 따른 배터리 용량의 감소율을 산출하고, 상기 전류를 적산한 값을 상기 사이클에 따른 배터리 용량의 감소율로 나누어 SOC를 추정함을 특징으로 하는 SOC 추정장치.
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KR1020060041594A KR100759706B1 (ko) | 2005-05-11 | 2006-05-09 | 하이브리드 차량용 배터리의 충전상태 추정 방법 |
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KR1020060041594A KR100759706B1 (ko) | 2005-05-11 | 2006-05-09 | 하이브리드 차량용 배터리의 충전상태 추정 방법 |
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KR20060116724A KR20060116724A (ko) | 2006-11-15 |
KR100759706B1 true KR100759706B1 (ko) | 2007-09-17 |
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US (1) | US7679327B2 (ko) |
EP (1) | EP1889325B1 (ko) |
JP (1) | JP4782192B2 (ko) |
KR (1) | KR100759706B1 (ko) |
CN (1) | CN101176234B (ko) |
TW (1) | TWI332724B (ko) |
WO (1) | WO2006121289A1 (ko) |
Cited By (1)
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US9020668B2 (en) | 2009-11-17 | 2015-04-28 | Hyundai Motor Company | Apparatus and method for air conditioning vehicle interior using battery charge control of electric vehicle |
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WO2006121289A1 (en) | 2006-11-16 |
US20060261782A1 (en) | 2006-11-23 |
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