JP2009143524A - ハイブリッド車両のsoc別最適運転点決定方法 - Google Patents
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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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- 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
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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
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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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
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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
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
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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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
- B60W30/1882—Controlling power parameters of the driveline, e.g. determining the required power characterised by the working point of the engine, e.g. by using engine output chart
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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
- 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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- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
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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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
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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
- Y02T10/62—Hybrid vehicles
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S903/00—Hybrid electric vehicles, HEVS
- Y10S903/902—Prime movers comprising electrical and internal combustion motors
- Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
【解決手段】運転者の要求(アクセルペダルの開度)段階と、現在の車速、運転者の要求動力、バッテリーの現在の充電状態量(SOC)から現在の運転状況を把握する現状把握段階と、SOCグループ分け段階と、グループ分けされたSOCに対応する正味燃料消費率マップから、エンジンの運転可能な複数のエンジン運転点、さらに対応するモーター運転点を選ぶ運動点候補選出段階と、選ばれたエンジン運転候補点とモーター運転候補点に対しての費用算定段階と、費用が最小となるエンジン運転点およびモーター運転点を抽出する最適運転点決定段階と、抽出されたエンジン運転点およびモーター運転点をエンジンおよびモーターに出力命令を出す段階とからなる。
【選択図】図1
Description
ハイブリッド電気自動車に適用されるエンジンとモーターの動力配分方式において、エンジン燃料消費量とバッテリー電気量の等価化係数を採用し、SOCの変化によってその段階別に、エンジンおよびモーターの各運転点に対する費用を算定し、最小費用の運転点を抽出することができ、最小費用の運転点でエンジンおよびモーターを動かすことで、燃費効率をより向上させることができる。
本発明によるハイブリッド車両のSOC別最適運転点決定方法は、ハードタイプまたはソフトタイプのハイブリッド電気自動車に適用可能である。
この時、FEFは、SOC充電状態別に区分することができる。
FEFnormal:SOC正常状態の場合の燃料消費率等価係数(g/s/W)
FEFhigh:SOC高充電状態の場合の燃料消費率等価係数(g/s/W)
FEFlow:SOC低充電状態の場合の燃料消費率等価係数(g/s/W)
本発明の最適運転点の決定のための制御は、ハイブリッド制御装置(HCU)、モーター制御装置(MCU)、バッテリー制御装置(BMS)間の通信によるシグナル伝達により行われる。
Claims (4)
- 運転者の要求(アクセルペダルの開度)段階と、
現在の車速、運転者の要求動力、バッテリーの現在の充電状態量(SOC)から現在の運転状況を把握する現状把握段階と、
前記SOCをその状態によりグループ分けするSOCグループ分け段階と、
前記SOCグループ分け段階によりグループ分けされたSOCに対応する正味燃料消費率(BSFC)マップから、エンジンの運転可能な複数のエンジン運転点を選び、さらに前記エンジン運転点それぞれに対応するモーター運転点を選ぶ運動点候補選出段階と、
前記選ばれたエンジン運転候補点とモーター運転候補点に対する費用を算定する費用算定段階と、
前記費用算定段階で得られた費用を比較して費用が最小となるエンジン運転点およびモーター運転点を抽出する最適運転点決定段階と、
抽出されたエンジン運転点およびモーター運転点を、エンジンおよびモーターに出力命令を出す段階と、からなることを特徴とするハイブリッド車両のSOC別最適運転点決定方法。 - 前記SOCグループ分け段階は、SOCの充電状態を正常状態、高充電状態、最高充電状態、低充電状態、最低充電状態に分け、これらの充電状態のうち一つを与えられたヒストリシスにより決められることを特徴とする請求項1記載のハイブリッド車両のSOC別最適運転点決定方法。
- 前記費用算定段階は、前記エンジン運転点と前記モーター運転点から、下記の式1〔式中、costiは時間iでの費用(等価化された燃料消費率)(g/sec)であり、fciは時間iでのエンジンの燃料消費率(g/sec)、FEFは燃料消費率等価係数(g/s/W)であり、Pbat,iは時間iでのバッテリーの出力(W)である。〕により求められることを特徴とする請求項1記載のハイブリッド車両のSOC別最適運転点決定方法。
- 前記燃料消費率等価係数は、バッテリーの電気エネルギーの使用量を、エンジンの燃料消費率(fci)と等価化させる係数であることを特徴とする請求項3記載のハイブリッド車両のSOC別最適運転点決定方法。
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KR1020070129908A KR100992755B1 (ko) | 2007-12-13 | 2007-12-13 | 하이브리드 차량의 soc별 최적 운전점 결정 방법 |
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CN111348030B (zh) * | 2018-12-21 | 2022-10-28 | 丰田自动车株式会社 | 动力传动系统 |
JP7545839B2 (ja) | 2020-09-17 | 2024-09-05 | 株式会社Subaru | ハイブリッド駆動装置 |
CN115230674A (zh) * | 2021-05-07 | 2022-10-25 | 广州汽车集团股份有限公司 | 混合动力汽车驱动控制方法以及混合动力汽车 |
CN115230674B (zh) * | 2021-05-07 | 2023-11-17 | 广州汽车集团股份有限公司 | 混合动力汽车驱动控制方法以及混合动力汽车 |
Also Published As
Publication number | Publication date |
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KR100992755B1 (ko) | 2010-11-05 |
CN101478172B (zh) | 2013-04-24 |
DE102008002036A1 (de) | 2009-06-18 |
KR20090062565A (ko) | 2009-06-17 |
US20090157244A1 (en) | 2009-06-18 |
CN101478172A (zh) | 2009-07-08 |
US8046125B2 (en) | 2011-10-25 |
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