JP6455499B2 - 車両制御装置 - Google Patents
車両制御装置 Download PDFInfo
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- JP6455499B2 JP6455499B2 JP2016229578A JP2016229578A JP6455499B2 JP 6455499 B2 JP6455499 B2 JP 6455499B2 JP 2016229578 A JP2016229578 A JP 2016229578A JP 2016229578 A JP2016229578 A JP 2016229578A JP 6455499 B2 JP6455499 B2 JP 6455499B2
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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
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Transmission Device (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
なお、第2走行モード時のエンジン回転速度の増加幅の制限は、エンジン回転速度の増加幅を0とする場合やエンジン回転を停止させる場合を含む。すなわち、第2走行モード時には、坂路走行制御部による坂路走行時のエンジン回転速度の増大制御を中止しても良い。
第3発明は、(a) 動力源として用いられるエンジンと自動変速機とを有する車両に関し、(b) 運転者の加減速操作に従って駆動力制御および前記自動変速機の変速制御を行う第1走行モード、および加減速操作を必要とすることなく目標走行状態を設定して前記駆動力制御および前記変速制御を行う第2走行モードが可能な車両制御装置において、(c) 登坂路および降坂路の少なくとも一方の坂路走行時に平坦路走行時に比較してエンジン回転速度を高く維持するように前記自動変速機を制御する坂路走行制御部を有し、(d) その坂路走行制御部は、前記第2走行モード時には前記第1走行モード時よりも前記エンジン回転速度の増加幅を制限する一方、(e) 前記第2走行モードとして、道路情報に基づいて前記目標走行状態を設定し、自動的に加減速を行うとともに、ステアリング角を前記道路情報に基づいて自動的に制御して走行する自動運転走行モードが設けられており、(f) 前記自動運転走行モードには、運転者等の乗員が乗車している有人自動運転走行モードと、運転者を含めて乗員が一人もいない無人自動運転走行モードがあり、(g) 前記坂路走行制御部は、前記有人自動運転走行モード時には前記第1走行モード時よりも前記エンジン回転速度の増加幅を小さくし、前記無人自動運転走行モード時には前記有人自動運転走行モード時よりも前記エンジン回転速度の増加幅を小さくすることを特徴とする。
なお、第2発明、第3発明についても、第2走行モード時のエンジン回転速度の増加幅の制限は、エンジン回転速度の増加幅を0とする場合やエンジン回転を停止させる場合を含む。すなわち、第2走行モード時には、坂路走行制御部による坂路走行時のエンジン回転速度の増大制御を中止しても良い。
第3発明は、第2走行モードとして自動運転走行モードが設けられており、その自動運転走行モードが有人自動運転走行モードおよび無人自動運転走行モードを備えている場合で、無人自動運転走行モード時には有人自動運転走行モード時よりもエンジン回転速度の増加幅が小さくされるが、無人自動運転走行モードは乗員不在であり、有人走行に比較して加減速に対する要求程度を考慮する必要がないため、エンジン回転速度の増加幅を小さくして燃費向上を図ることができる。乗員がいる有人自動運転走行モードでは、加減速に対する要求程度が無人自動運転走行モードよりは大きいため、エンジン回転速度を増加させて加減速性能を確保することが望ましい。
図1は、本発明が適用されたハイブリッド車用の車両用駆動装置10の骨子図で、制御系統の要部を併せて示した図である。この車両用駆動装置10は、エンジン12、電気式差動部14、および自動変速機16を直列に備えている。エンジン12は、ガソリンエンジン、ディーゼルエンジン等の内燃機関で、エンジン出力制御装置40によって出力が制御される。エンジン出力制御装置40は、例えば図4に示される電子スロットル弁100、燃料噴射装置102、点火装置104等を備えており、電子制御装置50から供給される制御信号に従ってそれ等の電子スロットル弁100、燃料噴射装置102、点火装置104等がそれぞれ制御されることにより、エンジン出力が電気的に制御される。電気式差動部14は、差動歯車機構としてシングルピニオン型の遊星歯車装置18を備えている。遊星歯車装置18は、エンジン12に連結されたキャリアCA0、第1モータジェネレータMG1に連結されたサンギヤS0、および中間伝達部材20に連結されたリングギヤR0とを差動回転可能に備えており、中間伝達部材20には第2モータジェネレータMG2が連結されている。なお、電気式差動部14および自動変速機16は、その軸心に対して略対称的に構成されているため、図1の骨子図では下側半分が省略されている。
Claims (3)
- 動力源として用いられるエンジンと自動変速機とを有する車両に関し、
運転者の加減速操作に従って駆動力制御および前記自動変速機の変速制御を行う第1走行モード、および加減速操作を必要とすることなく目標走行状態を設定して前記駆動力制御および前記変速制御を行う第2走行モードが可能な車両制御装置において、
登坂路および降坂路の少なくとも一方の坂路走行時に平坦路走行時に比較してエンジン回転速度を高く維持するように前記自動変速機を制御する坂路走行制御部を有し、
該坂路走行制御部は、前記第2走行モード時には前記第1走行モード時よりも前記エンジン回転速度の増加幅を制限する一方、
前記第2走行モードとして、先行車両に対して追従走行できる目標駆動力を算出し、該目標駆動力を前記目標走行状態として走行するとともに、ステアリング角を運転者が操作する追従走行モードと、道路情報に基づいて前記目標走行状態を設定し、自動的に加減速を行うとともに、前記ステアリング角を前記道路情報に基づいて自動的に制御して走行する自動運転走行モードが設けられており、
前記坂路走行制御部は、前記追従走行モード時には前記第1走行モード時よりも前記エンジン回転速度の増加幅を小さくし、前記自動運転走行モード時には前記追従走行モード時よりも前記エンジン回転速度の増加幅を小さくする
ことを特徴とする車両制御装置。 - 動力源として用いられるエンジンと自動変速機とを有する車両に関し、
運転者の加減速操作に従って駆動力制御および前記自動変速機の変速制御を行う第1走行モード、および加減速操作を必要とすることなく目標走行状態を設定して前記駆動力制御および前記変速制御を行う第2走行モードが可能な車両制御装置において、
登坂路および降坂路の少なくとも一方の坂路走行時に平坦路走行時に比較してエンジン回転速度を高く維持するように前記自動変速機を制御する坂路走行制御部を有し、
該坂路走行制御部は、前記第2走行モード時には前記第1走行モード時よりも前記エンジン回転速度の増加幅を制限する一方、
前記第2走行モードとして、ステアリング角を道路情報に基づいて自動的に制御して走行する自動操舵走行モードと、該ステアリング角を運転者が操作する手動操舵走行モードが設けられており、
前記坂路走行制御部は、前記手動操舵走行モード時には前記第1走行モード時よりも前記エンジン回転速度の増加幅を小さくし、前記自動操舵走行モード時には前記手動操舵走行モード時よりも前記エンジン回転速度の増加幅を小さくする
ことを特徴とする車両制御装置。 - 動力源として用いられるエンジンと自動変速機とを有する車両に関し、
運転者の加減速操作に従って駆動力制御および前記自動変速機の変速制御を行う第1走行モード、および加減速操作を必要とすることなく目標走行状態を設定して前記駆動力制御および前記変速制御を行う第2走行モードが可能な車両制御装置において、
登坂路および降坂路の少なくとも一方の坂路走行時に平坦路走行時に比較してエンジン回転速度を高く維持するように前記自動変速機を制御する坂路走行制御部を有し、
該坂路走行制御部は、前記第2走行モード時には前記第1走行モード時よりも前記エンジン回転速度の増加幅を制限する一方、
前記第2走行モードとして、道路情報に基づいて前記目標走行状態を設定し、自動的に加減速を行うとともに、ステアリング角を前記道路情報に基づいて自動的に制御して走行する自動運転走行モードが設けられており、
前記自動運転走行モードには、運転者等の乗員が乗車している有人自動運転走行モードと、運転者を含めて乗員が一人もいない無人自動運転走行モードがあり、
前記坂路走行制御部は、前記有人自動運転走行モード時には前記第1走行モード時よりも前記エンジン回転速度の増加幅を小さくし、前記無人自動運転走行モード時には前記有人自動運転走行モード時よりも前記エンジン回転速度の増加幅を小さくする
ことを特徴とする車両制御装置。
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