JP5514822B2 - 蓄電容量管理装置 - Google Patents
蓄電容量管理装置 Download PDFInfo
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
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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
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- 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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- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/244—Charge state
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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
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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
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Description
=(EOl−Vl)/Id−(EO−V)/Id
={(EOl−EO)−(Vl−V)}/Id
≒(V−Vl)/Id …(1)
=(EOh−Vh)/Ic−(EO−V)/Ic
={(EOh−EO)−(Vh−V)}/Ic
≒(V−Vh)/Ic …(2)
M 電動機
TM 変速機構
W 駆動輪
101 電力制御装置
103 蓄電器
105 電流センサ
107 電圧センサ
109 温度センサ
111 メモリ
113 蓄電容量管理装置
201 残容量推定部
203 上下限SOC補正部
205,255 中間蓄電容量補正部
301 条件判断部
303 充放電判断部
305 下限マップ電圧導出部
307 SOC下限補正判断部
309 上限マップ電圧導出部
311 SOC上限補正判断部
401 上限マップ電圧導出部
403 下限マップ電圧導出部
405 上下限電圧幅算出部
407 中間電圧差算出部
409 上下限電圧比算出部
411 中間判定電圧比導出部
413 電圧比比較部
415 中間SOC補正判断部
451 上側電圧差算出部
453 下側電圧差算出部
455 上下限電圧比算出部
Claims (4)
- 蓄電器の蓄電容量を管理する蓄電容量管理装置であって、
前記蓄電器の蓄電容量が上限蓄電容量時の端子電圧である上限端子電圧を導出する上限端子電圧導出部と、
前記蓄電器の蓄電容量が下限蓄電容量時の端子電圧である下限端子電圧を導出する下限端子電圧導出部と、
前記上限端子電圧から前記下限端子電圧を引いた上下限電圧幅を算出する上下限電圧幅算出部と、
前記蓄電器の端子電圧から前記下限端子電圧を引いた中間電圧差を算出する中間電圧差算出部と、
前記上下限電圧幅に対する前記中間電圧差の比である上下限電圧比を算出する上下限電圧比算出部と、
前記蓄電器の上下限蓄電容量に応じた中間判定電圧比を導出する中間判定電圧比導出部と、
前記上下限電圧比と前記中間判定電圧比を比較する電圧比比較部と、
前記電圧比比較部による比較の結果、前記上下限電圧比が前記中間判定電圧比以下の状態が所定期間続くとき、「前記下限蓄電容量+(前記上限蓄電容量−前記下限蓄電容量)×前記中間判定電圧比」の計算式より、中間蓄電容量を導出する中間蓄電容量導出部と、
を備えたことを特徴とする蓄電容量管理装置。 - 蓄電器の蓄電容量を管理する蓄電容量管理装置であって、
前記蓄電器の蓄電容量が上限蓄電容量時の端子電圧である上限端子電圧を導出する上限端子電圧導出部と、
前記蓄電器の蓄電容量が下限蓄電容量時の端子電圧である下限端子電圧を導出する下限端子電圧導出部と、
前記上限端子電圧から前記蓄電器の端子電圧を引いた上側電圧差を算出する上側電圧差算出部と、
前記蓄電器の端子電圧から前記下限端子電圧を引いた下側電圧差を算出する下側電圧差算出部と、
前記上側電圧差と前記下側電圧差の和に対する前記下側電圧差の比である上下限電圧比を算出する上下限電圧比算出部と、
前記蓄電器の上下限蓄電容量に応じた中間判定電圧比を導出する中間判定電圧比導出部と、
前記上下限電圧比と前記中間判定電圧比を比較する電圧比比較部と、
前記電圧比比較部による比較の結果、前記上下限電圧比が前記中間判定電圧比以下の状態が所定期間続くとき、「前記下限蓄電容量+(前記上限蓄電容量−前記下限蓄電容量)×前記中間判定電圧比」の計算式より、中間蓄電容量を導出する中間蓄電容量導出部と、
を備えたことを特徴とする蓄電容量管理装置。 - 請求項1又は2に記載の蓄電容量管理装置であって、
前記蓄電池の充放電電流の積算に基づいて前記蓄電器の蓄電容量を推定する蓄電容量推定部を備え、
当該蓄電容量管理装置は、前記電圧比比較部による比較の結果、前記上下限電圧比が前記中間判定電圧比以下の状態が所定期間続くとき、前記蓄電容量推定部が推定した蓄電容量を、前記中間蓄電容量導出部が導出した中間蓄電容量に変更することを特徴とする蓄電容量管理装置。 - 請求項1〜3のいずれか一項に記載の蓄電容量管理装置であって、
前記上限端子電圧及び前記下限端子電圧は、前記蓄電器の充放電電流及び温度に応じてそれぞれ異なり、
前記中間判定電圧比は、前記蓄電器の温度に応じて異なることを特徴とする蓄電容量管理装置。
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US9037426B2 (en) * | 2011-05-13 | 2015-05-19 | GM Global Technology Operations LLC | Systems and methods for determining cell capacity values in a multi-cell battery |
JP6300000B2 (ja) * | 2013-02-20 | 2018-03-28 | 株式会社Gsユアサ | 充電状態推定装置、充電状態推定方法 |
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JP6201968B2 (ja) * | 2014-11-27 | 2017-09-27 | トヨタ自動車株式会社 | 充電制御装置 |
US11656282B2 (en) * | 2017-03-31 | 2023-05-23 | Gs Yuasa International Ltd. | Energy storage device management apparatus and energy storage device management method |
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