JP4513751B2 - ハイブリッド車両およびその制御方法 - Google Patents
ハイブリッド車両およびその制御方法 Download PDFInfo
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- JP4513751B2 JP4513751B2 JP2006006237A JP2006006237A JP4513751B2 JP 4513751 B2 JP4513751 B2 JP 4513751B2 JP 2006006237 A JP2006006237 A JP 2006006237A JP 2006006237 A JP2006006237 A JP 2006006237A JP 4513751 B2 JP4513751 B2 JP 4513751B2
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- 238000000746 purification Methods 0.000 claims description 48
- 238000002485 combustion reaction Methods 0.000 claims description 42
- 239000003054 catalyst Substances 0.000 claims description 36
- 238000003860 storage Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 33
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- 239000007789 gas Substances 0.000 description 17
- 230000007246 mechanism Effects 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 238000002347 injection Methods 0.000 description 13
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
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- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
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- 229910052763 palladium Inorganic materials 0.000 description 1
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- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
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- 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
- B60W20/15—Control strategies specially adapted for achieving a particular effect
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- 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
- B60K6/42—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 the architecture of the hybrid electric vehicle
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- B60K6/445—Differential gearing distribution type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D41/0255—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus to accelerate the warming-up of the exhaust gas treating apparatus at engine start
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- 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
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W2540/215—Selection or confirmation of options
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
- F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F02D2200/02—Input parameters for engine control the parameters being related to the engine
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- F02D2200/0802—Temperature of the exhaust gas treatment apparatus
- F02D2200/0804—Estimation of the temperature of the exhaust gas treatment apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- 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
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Exhaust Gas After Treatment (AREA)
Description
内燃機関と、
前記内燃機関から排出される排ガスを浄化するための触媒を含む浄化手段と、
何れかの車軸である第1車軸と前記内燃機関の出力軸とに接続されて電力と動力の入出力を伴って前記第1車軸および前記出力軸に動力を入出力可能な電力動力入出力手段と、
前記第1車軸または該第1車軸とは異なる車軸の何れかである第2車軸に動力を入出力可能な電動機と、
前記電力動力入出力手段および前記電動機との間で電力をやりとり可能な蓄電手段と、
少なくとも走行に要求される要求駆動力の設定可能範囲をそれぞれ異なる態様で規定する複数の運転条件の中から何れか一つを実行用運転条件として設定すると共に、所定条件下で運転者に任意の運転条件の選択を許容する運転条件設定手段と、
運転者に任意の運転条件の選択が許容されていない場合には、第1の制約に従って前記内燃機関の目標空燃比を設定する一方、運転者に任意の運転条件の選択が許容されている場合には、前記第1の制約に比べて前記目標空燃比をリッチ側に設定する傾向をもった第2の制約に従って前記目標空燃比を設定する目標空燃比設定手段と、
前記設定された実行用運転条件に従って要求駆動力を設定する要求駆動力設定手段と、
前記内燃機関の空燃比が前記設定された目標空燃比となり、かつ前記設定された要求駆動力に基づく駆動力が出力されるように前記内燃機関と前記電力動力入出力手段と前記電動機とを制御する制御手段と、
を備えるものである。
運転者に任意の運転条件の選択が許容されていない場合には、第1の制約に従って前記内燃機関の目標空燃比を設定する一方、運転者に任意の運転条件の選択が許容されている場合には、前記第1の制約に比べて前記目標空燃比をリッチ側に設定する傾向をもった第2の制約に従って前記目標空燃比を設定し、前記内燃機関の空燃比が前記設定された目標空燃比となり、かつ前記設定された実行用運転条件に従って設定された要求駆動力に基づく駆動力が出力されるように前記内燃機関と前記電力動力入出力手段と前記電動機とを制御するものである。
Claims (3)
- 内燃機関と、
前記内燃機関から排出される排ガスを浄化するための触媒を含む浄化手段と、
前記浄化手段の暖機が完了しているか否かを判定する触媒暖機判定手段と、
何れかの車軸である第1車軸と前記内燃機関の出力軸とに接続されて電力と動力の入出力を伴って前記第1車軸および前記出力軸に動力を入出力可能な電力動力入出力手段と、
前記第1車軸または該第1車軸とは異なる車軸の何れかである第2車軸に動力を入出力可能な電動機と、
前記電力動力入出力手段および前記電動機との間で電力をやりとり可能な蓄電手段と、
シーケンシャルシフトポジションが選択されたときに、少なくとも走行に要求される要求駆動力の設定可能範囲をそれぞれ異なる態様で規定する複数のシフトポジションの中から任意のシフトポジションの選択を運転者に許容すると共に、運転者のシフト操作に応じて前記複数のシフトポジションの中から何れか一つを実行用シフトポジションとして設定するシフト設定手段と、
前記シーケンシャルシフトポジションが選択されていない場合には、第1の制約に従って前記内燃機関の目標空燃比を設定する一方、前記シーケンシャルシフトポジションが選択されており、かつ前記浄化手段の暖機が完了していないと判断された場合には、前記第1の制約に比べて前記目標空燃比をリッチ側に設定する傾向をもった第2の制約に従って前記目標空燃比を設定する目標空燃比設定手段と、
前記設定された実行用シフトポジションに従って要求駆動力を設定する要求駆動力設定手段と、
前記内燃機関の空燃比が前記設定された目標空燃比となり、かつ前記設定された要求駆動力に基づく駆動力が出力されるように前記内燃機関と前記電力動力入出力手段と前記電動機とを制御する制御手段と、
を備えるハイブリッド車両。 - 前記電力動力入出力手段は、前記第1車軸と前記内燃機関の出力軸と回転可能な第3軸とに接続され、これら3軸のうちの何れか2軸に入出力される動力に基づいて定まる動力を残余の軸に入出力する3軸式動力入出力手段と、前記第3軸に動力を入出力可能な発電機とを備える請求項1に記載のハイブリッド車両。
- 内燃機関と、該内燃機関から排出される排ガスを浄化するための触媒を含む浄化手段と、前記浄化手段の暖機が完了しているか否かを判定する触媒暖機判定手段と、何れかの車軸である第1車軸と前記内燃機関の出力軸とに接続されて電力と動力の入出力を伴って前記第1車軸および前記出力軸に動力を入出力可能な電力動力入出力手段と、前記第1車軸または該第1車軸とは異なる車軸の何れかである第2車軸に動力を入出力可能な電動機と、前記電力動力入出力手段および前記電動機との間で電力をやりとり可能な蓄電手段と、シーケンシャルシフトポジションが選択されたときに、少なくとも走行に要求される要求駆動力の設定可能範囲をそれぞれ異なる態様で規定する複数のシフトポジションの中から任意のシフトポジションの選択を運転者に許容すると共に、運転者のシフト操作に応じて前記複数のシフトポジションの中から何れか一つを実行用シフトポジションとして設定するシフト設定手段とを備えたハイブリッド車両の制御方法であって、
前記シーケンシャルシフトポジションが選択されていない場合には、第1の制約に従って前記内燃機関の目標空燃比を設定する一方、前記シーケンシャルシフトポジションが選択されており、かつ前記浄化手段の暖機が完了していないと判断された場合には、前記第1の制約に比べて前記目標空燃比をリッチ側に設定する傾向をもった第2の制約に従って前記目標空燃比を設定し、前記内燃機関の空燃比が前記設定された目標空燃比となり、かつ前記設定された実行用シフトポジションに従って設定された要求駆動力に基づく駆動力が出力されるように前記内燃機関と前記電力動力入出力手段と前記電動機とを制御するハイブリッド車両の制御方法。
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