JP2018057191A - 電池制御装置、電池システム及び車両 - Google Patents
電池制御装置、電池システム及び車両 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- 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
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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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
- B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
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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
- B60W20/11—Controlling the power contribution of each of the prime movers to meet required power demand using model predictive control [MPC] strategies, i.e. control methods based on models predicting performance
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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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- 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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- 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
- 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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- 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
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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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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- 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
- Y02T90/14—Plug-in electric vehicles
Abstract
既存の許容電流演算アルゴリズムでは電池特性に急峻変化領域を有する電池の制御で過大な電流を流してしまうが、電流を絞り出力を抑えてしまうと電池性能を十分に利用できない。また、データ点数を増やす対応策では、データ量が増えマイコンに搭載できない。
【解決手段】
電池特性の変化が小さい電池特性低変化領域と電池特性の変化が前記電池特性低変化領域よりも大きい電池特性急峻変化領域を有する電池の許容電流を演算する電池制御装置において、現在の状態から所定時間後に前記電池特性急峻変化領域に入る場合、現在の電池特性における傾きの絶対値よりも大きな傾きの絶対値を用いて電池特性値を算出することを特徴とする電池制御装置。
【選択図】 図3
Description
以下、第一の実施例について説明する。図1に本発明にかかる電池システムを示す。この構成は移動体向け蓄電装置、系統連系安定化用蓄電装置等幅広い用途で使用される形態であり、電力を蓄える電池システム1と、電池システム1に対し充放電を行うインバータ104と、インバータに接続された負荷105と、電池システム1やインバータ104を制御する上位コントローラ103から構成される。
続いて実施例2について説明する。実施例1ではOCV傾きにのみ傾き急変の影響を考慮していたが、SOC等の電池状態に応じて変化する値はOCVだけではなく、抵抗201の抵抗値やn秒目分極抵抗も変化する。また、直流抵抗等にはSOCだけでなく、温度や電流値も影響を与える。そこで本実施例では実施例1で示したSOCの補正に加え、温度及び電流についても補正する構成について、図6を用いて説明する。なお、既に図1から図5で説明した部分については説明を省略する。本実施例と実施例1との構成の違いは、SOC以外の電池状態に対しても急峻変化領域か否かの判断を行う電池状態急峻変化領域判断部500と、電池状態SOC,温度,電流全てをそれぞれの代表値に補正する電池状態補正部501である。
続いて実施例3について説明する。実施例1、2がOCVの傾き等の代表値を最大値と定めていたが、安全性を特に考慮して最大値以下の値を用いることも可能である。つまり、実施例3では代表値は現在のOCVの傾きの絶対値よりも大きな値とし、当該区間のOCVの傾き最大値以下とした点が第1の実施例、及び第2の実施例と異なる。これにより、過度に許容電流を抑えすぎず、安全に方向に処理できるため、電池の特性が想定外の変化をした場合でも電池の安全性を保ちやすくなる。
続いて実施例4について説明する。上記実施例1、実施例2、及び実施例3では傾き情報を新たにマップデータとして導入しているが、本実施例では急峻変化領域近傍において、他の区間とは異なるマップデータとした構成としている。詳細については図7を用いて説明する。なお、図1から6で説明した部分については説明を省略する。この構成では、許容電流演算部111はSOC−OCV急峻変化領域対応済電池特性パラメータマップ部600と許容電流演算部303から成る。
最後に実施例5を説明する。本実施例ではハイブリッド車両において電池特性の急峻変化領域を考慮した構成について説明する。車両のハイブリッドシステムの構成を図8に示す。この車両のハイブリッドシステムは、電池システム700、インバータ701、モータ702、ハイブリッドコントローラ703、エンジン704、タイヤ705から構成される。
101:電池情報取得部
102:電池制御装置
103:上位コントローラ
104:インバータ
105:負荷
106:電流センサ
107:温度センサ
108:電圧センサ
109:電池等価回路モデル演算部
110:電池劣化度演算部
111:許容電流演算部
200:OCV
201:直流抵抗
202:分極項
203:分極抵抗
204:分極キャパシタ
300:SOC−OCV急峻変化領域判断部
301:SOC補正部
302:電池パラメータマップ部
303:許容電流計算部
400:急峻変化領域1
401:急峻変化領域2
500:電池状態急峻変化領域判断部
501:電池状態補正部
600:電池特性急峻変化領域対応済電池特性パラメータマップ部
700:電池システム
701:インバータ
702:モータ
703:ハイブリッドコントローラ
704:エンジン
705:入出力要求
Claims (8)
- 電池特性の変化が小さい電池特性低変化領域と、電池特性の変化が前記電池特性低変化領域よりも大きい電池特性急峻変化領域と、を有する電池の許容電流を演算する電池制御装置において、現在の状態から所定時間後に前記電池特性急峻変化領域に入る場合、現在の電池特性の傾きの絶対値よりも大きな値を用いて電池特性値を算出し、前記電池特性値を用いて許容電流を演算する許容電流演算部を有することを特徴とする電池制御装置。
- 請求項1に記載の電池制御装置において、前記現在の電池特性の傾きの絶対値よりも大きな値は、前記電池特性急峻変化領域内における最大の傾きの絶対値以下であることを特徴とする電池制御装置。
- 請求項2に記載の電池制御装置において、前記現在の電池特性の傾きの絶対値よりも大きな値は、前記電池特性急峻変化領域内における最大の傾きの絶対値であることを特徴とする電池制御装置。
- 請求項2又は3に記載の電池制御装置において、前記電池特性はSOC―OCV特性であることを特徴とする電池制御装置。
- 請求項4に記載の電池制御装置において、前記電池に用いられる負極材料には黒鉛又はシリコンを主剤とする活物質が用いられることを特徴とする電池制御装置。
- 請求項4または5に記載の電池制御装置において、当該電池制御装置はさらに記憶部を有し、前記記憶部にはSOC−OCV特性のマップデータが記憶されており、前記現在の電池特性の傾きの絶対値は前記マップデータから算出されたものであることを特徴とする電池制御装置。
- 電池特性の変化が小さい電池特性低変化領域と、電池特性の変化が前記電池特性低変化領域よりも大きい電池特性急峻変化領域と、を有する電池と前記電池の許容電流を演算する電池制御装置と、を有する電池システムにおいて、前記電池制御装置は、現在の状態から所定時間後に前記電池特性急峻変化領域に入る場合、現在の電池特性の傾きの絶対値よりも大きな値を用いて電池特性値を算出し、前記電池特性値を用いて許容電流を演算する許容電流演算部を有することを特徴とする電池システム。
- 電池特性の変化が小さい電池特性低変化領域と、電池特性の変化が前記電池特性低変化領域よりも大きい電池特性急峻変化領域と、を有する電池と前記電池と電気的に接続されるモータと、エンジンと、前記エンジンと前記モータとの出力比を演算する車両制御装置と、を備えた車両において、前記車両制御装置は、現在の状態から所定時間後に前記電池特性急峻変化領域に入る場合、現在の電池特性の傾きの絶対値よりも大きな値を用いて電池特性値を算出し、前記電池特性値を用いて前記エンジンと前記モータとの出力比を演算する出力比演算部を有することを特徴とする車両。
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Application Number | Priority Date | Filing Date | Title |
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JP2016192515A JP6764553B2 (ja) | 2016-09-30 | 2016-09-30 | 電池制御装置、電池システム及び車両 |
US16/328,953 US11084385B2 (en) | 2016-09-30 | 2017-07-28 | Battery control device, battery system, and vehicle |
PCT/JP2017/027361 WO2018061449A1 (ja) | 2016-09-30 | 2017-07-28 | 電池制御装置、電池システム及び車両 |
DE112017003472.8T DE112017003472T5 (de) | 2016-09-30 | 2017-07-28 | Batteriesteuervorrichtung, batteriesystem und fahrzeug |
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CN112406628A (zh) * | 2019-08-21 | 2021-02-26 | 丰田自动车株式会社 | 控制装置 |
WO2021226797A1 (zh) * | 2020-05-11 | 2021-11-18 | 东莞新能德科技有限公司 | 电池容量预估方法、电子装置和存储介质 |
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CN109733248B (zh) * | 2019-01-09 | 2020-07-24 | 吉林大学 | 基于路径信息的纯电动汽车剩余里程模型预测方法 |
DE102020201506A1 (de) | 2020-02-07 | 2021-08-12 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Ladezustandsermittlung einer elektrischen Energiespeichereinheit |
FR3122536B1 (fr) * | 2021-04-29 | 2023-06-30 | Psa Automobiles Sa | Contrôle d'un ensemble électrique pour une batterie électrique d'un véhicule automobile |
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