JP7439704B2 - 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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- JP7439704B2 JP7439704B2 JP2020147891A JP2020147891A JP7439704B2 JP 7439704 B2 JP7439704 B2 JP 7439704B2 JP 2020147891 A JP2020147891 A JP 2020147891A JP 2020147891 A JP2020147891 A JP 2020147891A JP 7439704 B2 JP7439704 B2 JP 7439704B2
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Images
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/04—Starting of engines by means of electric motors the motors being associated with current generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
- F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
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- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N99/00—Subject matter not provided for in other groups of this subclass
- F02N99/002—Starting combustion engines by ignition means
- F02N99/006—Providing a combustible mixture inside the cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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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- F02N2300/20—Control related aspects of engine starting characterised by the control method
- F02N2300/2002—Control related aspects of engine starting characterised by the control method using different starting modes, methods, or actuators depending on circumstances, e.g. engine temperature or component wear
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Atmospheric Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Human Computer Interaction (AREA)
Description
エンジンのエンジン水温が予め設定されている所定温度以上、および、エンジンが停止した時点からのエンジン停止時間が予め設定されている所定時間より短い、の一方または両方の条件が成立したことが判定されると、第1エンジン始動を行なわず、第2エンジン始動によりエンジンが始動させられ、トルク応答性が得られる。
12:エンジン
90、180:電子制御装置(制御装置)
160:自動運転制御部
162:追従走行制御部
164:始動制御部(制御部)
166:高回転エンジン始動部(第1エンジン始動部)
168:着火エンジン始動部
170:圧縮行程エンジン始動部
172:吸気行程エンジン始動部
202:燃焼室
216:ピストン
MG:電動機
THw:エンジン水温
THcri:所定温度
tpass:エンジン停止時間
tcri:所定時間
Claims (3)
- エンジンおよび電動機を駆動力源とし、車両走行中に前記エンジンを停止および始動可能に構成されたハイブリッド車両の制御装置であって、
前記エンジンが所定の回転数以上となった状態で燃料を噴射して前記エンジンを始動する第1エンジン始動と、前記エンジンの回転が停止した状態で前記エンジンに燃料を噴射しながら前記エンジンを始動する第2エンジン始動とを含む複数のエンジン始動を行なうエンジン始動部を備え、
前記エンジン始動部は、
運転者による操作に少なくとも一部が依存することなく、前記ハイブリッド車両の走行を制御して該ハイブリッド車両を自動運転走行させる自動運転制御部の実行中、前方を走行する車両を追従して走行する追従走行を行なう追従走行制御部の実行中、前記自動運転走行中の要求走行トルクが、予め設定されている所定値未満である場合、又は、前記追従走行中の要求走行トルクが、予め設定されている所定値未満である場合の、前記ハイブリッド車両の走行トルクを速やかに増加させる必要性の低い走行状態の場合に、前記第2エンジン始動を行なわず、前記第1エンジン始動により前記エンジンを始動させ、
前記エンジンのエンジン水温が予め設定されている所定温度以上、および、前記エンジンが停止した時点からのエンジン停止時間が予め設定されている所定時間より短い、の一方または両方の条件が成立したことが判定されると、前記第1エンジン始動を行なわず、前記第2エンジン始動により前記エンジンを始動させる
ことを特徴とするハイブリッド車両の制御装置。 - 前記第1エンジン始動は、エンジン回転速度が予め設定されている所定回転速度に到達すると燃料の噴射および点火を実施する
ことを特徴とする請求項1に記載のハイブリッド車両の制御装置。 - 前記第2エンジン始動は、
前記エンジンのピストンが膨張行程の位置で停止している状態の燃焼室内に、燃料を噴射して点火する着火エンジン始動、
前記エンジンの前記ピストンが圧縮行程の位置で停止している状態から、燃料を噴射しつつ前記電動機によって前記エンジンを回転させ、前記ピストンが上死点を通過すると点火を行う圧縮行程エンジン始動、および、
前記エンジンの前記ピストンが吸気行程の位置で停止している状態から、燃料を噴射しつつ前記電動機によって前記エンジンを回転させ、前記ピストンが上死点を通過すると点火を行う吸気行程エンジン始動、のうちの何れかにより前記エンジンを始動させる
ことを特徴とする請求項1に記載のハイブリッド車両の制御装置。
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