JP7226220B2 - ハイブリッド車両の制御装置 - Google Patents
ハイブリッド車両の制御装置 Download PDFInfo
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- JP7226220B2 JP7226220B2 JP2019172305A JP2019172305A JP7226220B2 JP 7226220 B2 JP7226220 B2 JP 7226220B2 JP 2019172305 A JP2019172305 A JP 2019172305A JP 2019172305 A JP2019172305 A JP 2019172305A JP 7226220 B2 JP7226220 B2 JP 7226220B2
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- engine
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- rotary machine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
-
- 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
- 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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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Supercharger (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Description
また、(e)前記過給圧低減部は、前記要求エンジントルクに対する前記エンジンの出力トルクの不足を前記第2回転機トルクによって補償することができない場合であっても、前記速度差が前記余裕速度差以下になった場合に前記過給圧を低減する。このため、前記要求エンジントルクに対する前記エンジンの出力トルクの不足を前記第2回転機トルクによって補償することができない場合であっても、前記過給圧の応答遅れにより前記エンジンの回転速度が前記許容最大回転速度を超える高回転状態に陥るのを抑制することができる。
さらに、(f)前記過給圧低減部は、前記要求エンジントルクに対する前記エンジンの出力トルクの不足を前記第2回転機トルクによって補償することができない場合には、前記要求エンジントルクに対する前記エンジンの出力トルクの不足を前記第2回転機トルクによって補償することができる場合に比べて、前記過給圧低減部による前記過給圧の低減量を小さくする。このため、前記要求エンジントルクに対する前記エンジンの出力トルクの不足を前記第2回転機トルクによって補償することができない場合の動力性能の低下を好適に抑えることができる。
12、202:エンジン
16、206:駆動輪
18:過給機
100、240:電子制御装置(制御装置)
104a:過給圧低減部
104b:低減条件成立判定部
104c:低減量算出部
106a:トルク補償部
106b:アシスト可能判定部
110:高回転抑制制御部
112:状態判定部
MG1:第1回転機
MG2:第2回転機
Ne:エンジン回転速度(回転速度)
Nemax:許容最大回転速度
OPeng:エンジン動作点(動作点)
OPengtgt:目標エンジン動作点(目標動作点)
Pchg:過給圧
Te:エンジントルク(出力トルク)
Tm:MG2トルク(第2回転機トルク)
ΔN:実回転速度差(速度差)
ΔNr:余裕回転速度差(余裕速度差)
Claims (4)
- 過給機を有するエンジンと、前記エンジンの回転速度を調整可能な第1回転機と、第2回転機と、を備え、前記エンジン及び前記第2回転機を駆動力源とするハイブリッド車両の、制御装置であって、
前記エンジンの動作点が、前記エンジン及び前記第1回転機のそれぞれの所定上限回転速度に対して前記エンジンの回転速度の余裕代が確保された許容最大回転速度を超えない範囲内に前記エンジンの回転速度があるように且つ前記エンジンに要求される出力が前記エンジンから出力されるように設定された目標動作点となるように、前記エンジン及び前記第1回転機を制御すると共に、前記エンジンの回転速度が前記許容最大回転速度を超えた場合には、前記エンジンの出力トルクを低減するように前記エンジンを制御する高回転抑制制御部と、
前記許容最大回転速度と前記エンジンの回転速度との速度差が、設定された余裕速度差以下になった場合に前記過給機による過給圧を低減する過給圧低減部と、
前記過給圧低減部によって前記過給圧が低減されることに伴う要求エンジントルクに対する前記エンジンの出力トルクの不足を前記第2回転機の第2回転機トルクによって補償するトルク補償部と、を備え
前記過給圧低減部は、前記要求エンジントルクに対する前記エンジンの出力トルクの不足を前記第2回転機トルクによって補償することができない場合であっても、前記速度差が前記余裕速度差以下になった場合に前記過給圧を低減し、 前記過給圧低減部は、前記要求エンジントルクに対する前記エンジンの出力トルクの不足を前記第2回転機トルクによって補償することができない場合には、前記要求エンジントルクに対する前記エンジンの出力トルクの不足を前記第2回転機トルクによって補償することができる場合に比べて、前記過給圧低減部による前記過給圧の低減量を小さくする
ことを特徴とするハイブリッド車両の制御装置。 - 車両状態が、前記エンジンの回転速度が前記許容最大回転速度を超え易い所定車両状態であるか否かを判定する状態判定部をさらに備え、
前記過給圧低減部は、前記車両状態が前記所定車両状態であると判定され且つ前記速度差が前記余裕速度差以下になった場合に前記過給圧を低減する
ことを特徴とする請求項1のハイブリッド車両の制御装置。 - 前記状態判定部は、前記エンジンの動力が伝達される駆動輪が滑り易い路面を前記ハイブリッド車両が走行しているか否かに基づいて、前記車両状態が前記所定車両状態であるか否かを判定する
ことを特徴とする請求項2のハイブリッド車両の制御装置。 - 前記状態判定部は、前記第1回転機が所定の出力制限を受けている状態であるか否かに基づいて、前記車両状態が前記所定車両状態であるか否かを判定する
ことを特徴とする請求項2又は3のハイブリッド車両の制御装置。
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