JP6588632B2 - 電池制御装置 - Google Patents
電池制御装置 Download PDFInfo
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- G01R31/389—Measuring internal impedance, internal conductance or related variables
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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
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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
- B60K6/20—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/28—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
- B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
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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
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
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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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- 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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Description
本発明の第1の実施の形態を図1から図14に基づいて説明する。
SOCi=SOCold+ΔSOC …(1)
ただし、ΔSOC=100×I×ts/Qmaxである。
Vo=I×Ro …(2)
Vp=Ip×Rp …(3)
OCV=CCV−(Vo+Vp) …(4)
Ro=RoInit×SOH/100 …(5)
Rp=RpInit×SOH/100 …(6)
Ip=I×(ts/τ)+Ipold×(1−ts/τ) …(7)
SOC=w×SOCv+(1−w)×SOCi …(8)
w=1/(1+|I|×Ro) …(9)
Vp=CCV−Vo−OCV …(10)
SOH=100×Ro/RoInit …(11)
本発明の第2の実施の形態について、図13〜図16を参照して説明する。なお、本実施の形態におけるハイブリッド自動車の電動システムの構成は、第1の実施の形態の図1に示したものと同様の構成であり、以下では、第1の実施の形態の構成と異なる部分を中心に説明する。
本発明の第3の実施の形態について、図17,18を参照して説明する。なお、本実施の形態におけるハイブリッド自動車の電動システムの構成は、第1の実施の形態の図1に示したものと同様の構成であり、以下では、第1および第2の実施の形態の構成と異なる部分を中心に説明する。
本発明の第4の実施の形態について、図19〜図21を参照して説明する。なお、本実施の形態におけるハイブリッド自動車の電動システムの構成は、第1の実施の形態の図1に示したものと同様の構成であり、以下では、第1〜第3の実施の形態の構成と異なる部分を中心に説明する。
本発明の第5の実施の形態について、図22,23を参照して説明する。なお、本実施の形態におけるハイブリッド自動車の電動システムの構成は、第1の実施の形態の図1に示したものと同様の構成であり、以下では、第1〜第4の実施の形態の構成と異なる部分を中心に説明する。
CCVmodel=OCV+Vo+Vp …(14)
R1=(CCV−OCV)/I …(15)
R0=(Vo0+Vp0)/I …(16)
ただし、Vo0=I×RoInit、Vp0=Ip×RpInitである。
SOH=100×R1/R0
図24は、本発明の第6の実施の形態を説明する図である。上述した第1〜第5の実施の形態では、分極電圧判定部1522で用いる分極判定閾値をある一定の値に設定していた。しかし、分極電圧の大きさや計算精度は、電池の状態に応じて異なる。例えば、図15に示すように、電池温度が低ければ低い程、また、劣化が進行している程、分極電圧そのものが高い値を示すようになる。
Claims (10)
- 電池の内部抵抗値を算出する内部抵抗演算部を備え、前記内部抵抗演算部により算出された内部抵抗値に基づいて前記電池を制御する電池制御装置であって、
前記電池の分極電圧を表す指標を算出する指標演算部と、
前記指標が判定閾値以上か否かを判定する判定部と、を備え、
前記判定部により判定閾値以上と判定されると、その判定よりも前であって前記指標が判定閾値未満のときに算出された前記内部抵抗値に基づいて前記電池を制御する、電池制御装置。 - 請求項1に記載の電池制御装置において、
前記指標演算部は、前記電池の電圧、温度および前記電池に流れる電流の内の少なくとも一つ以上に基づく分極電圧計算値を前記指標として算出する、電池制御装置。 - 請求項1に記載の電池制御装置において、
前記指標演算部は、前記電池に流れる電流を時系列に沿って平均化した値を前記指標として算出する、電池制御装置。 - 請求項1に記載の電池制御装置において、
前記指標演算部は、前記電池の通電時間を前記指標として算出する、電池制御装置。 - 請求項1に記載の電池制御装置において、
前記指標演算部は、前記電池の電圧、温度および前記電池に流れる電流に基づいて算出した分極電圧計算値である第1指標、前記電池に流れる電流を時系列に沿って平均化した値である第2指標、および、前記電池の通電時間である第3指標の内の少なくとも2つを算出し、
前記判定部は、前記指標演算部で算出されたそれぞれの指標が、それぞれに対して設定された各判定閾値以上か否かを判定する、電池制御装置。 - 請求項2または3に記載の電池制御装置において、
前記電池の通電開始前の非通電時において前記判定部により判定閾値以上と判定されると、その判定よりも前であって前記指標が判定閾値未満のときに算出された前記内部抵抗値に基づいて、通電開始後の前記電池を制御する、電池制御装置。 - 請求項1から請求項6までのいずれか一項に記載の電池制御装置において、
前記内部抵抗演算部は、算出方法の異なる2つの充電状態の間の差分に基づいて前記内部抵抗値を算出する、電池制御装置。 - 請求項7に記載の電池制御装置において、
前記2つの充電状態の一方は、前記電池の開回路電圧に基づいて算出される充電状態である、電池制御装置。 - 請求項1から請求項6までのいずれか一項に記載の電池制御装置において、
前記内部抵抗演算部は、前記電池の閉回路電圧計測値と電池に流れる電流に基づいて算出される閉回路電圧計算値との差分に基づいて、前記内部抵抗値を算出する、電池制御装置。 - 請求項1から請求項6までのいずれか一項に記載の電池制御装置において、
前記判定閾値は、前記電池の温度及び/又は前記電池の劣化に応じて設定される、電池制御装置。
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JP2016099655 | 2016-05-18 | ||
JP2016099655 | 2016-05-18 | ||
PCT/JP2017/014482 WO2017199629A1 (ja) | 2016-05-18 | 2017-04-07 | 電池制御装置 |
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JP6588632B2 true JP6588632B2 (ja) | 2019-10-09 |
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JP (1) | JP6588632B2 (ja) |
CN (1) | CN109874352B (ja) |
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JP2018207558A (ja) * | 2017-05-30 | 2018-12-27 | 本田技研工業株式会社 | 車両 |
JP6979896B2 (ja) * | 2018-02-06 | 2021-12-15 | 古河電気工業株式会社 | 充電可能電池状態検出装置および充電可能電池状態検出方法 |
US11444469B2 (en) * | 2018-05-14 | 2022-09-13 | Sanyo Electric Co., Ltd. | Management device and power storage system |
CN112912747B (zh) * | 2018-07-30 | 2023-07-11 | 日本汽车能源株式会社 | 电池状态推算装置和电池控制装置 |
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