JP6192927B2 - ハイブリッド車両のエンジンクラッチのトルク伝達開始点学習制御方法およびシステム - Google Patents
ハイブリッド車両のエンジンクラッチのトルク伝達開始点学習制御方法およびシステム Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims description 150
- 238000000034 method Methods 0.000 title claims description 39
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- 239000002783 friction material Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- F16D2500/00—External control of clutches by electric or electronic means
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- F16D2500/00—External control of clutches by electric or electronic means
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- F16D2500/3065—Torque of the engine
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- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
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- F16D2500/3067—Speed of the engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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- F16D2500/00—External control of clutches by electric or electronic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
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- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
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- F16D2500/50251—During operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
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- F16D2500/50251—During operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/50—Problem to be solved by the control system
- F16D2500/504—Relating the engine
- F16D2500/5045—Control of engine at idle, i.e. controlling engine idle conditions, e.g. idling speed
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- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
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- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
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- F16D2500/70454—Engine speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
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- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
- F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
- F16H2061/064—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means for calibration of pressure levels for friction members, e.g. by monitoring the speed change of transmission shafts
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- F16H—GEARING
- F16H2342/00—Calibrating
- F16H2342/04—Calibrating engagement of friction elements
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
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Description
110:エンジン
120:モータ(駆動モータ)
130:変速機
140:エンジンクラッチ
170:制御ユニット
FL:流体(オイル)
PE:摩擦材
SOL:ソレノイドバルブ
Claims (8)
- エンジンクラッチを介して連結または遮断されるエンジンとモータの出力で駆動されるハイブリッド車両のエンジンクラッチがトルク伝達を開始する地点を学習制御する方法において、
前記エンジンとモータの出力を伝達する変速機の動力伝達が遮断された状態であるかを判断するステップと、
前記エンジンが駆動された状態であるかを判断するステップと、
前記変速機の動力伝達が遮断された状態でかつ前記エンジンが駆動された状態で、モータの速度が前記エンジンの回転速度とは異なる設定された速度に維持されるように前記モータを制御するステップと、
エンジンクラッチの印加油圧を設定比率で増加させながら、前記モータの状態変化を検出するステップと、
前記モータの状態変化に基づいて前記エンジンクラッチのトルク伝達開始点を算出するステップとを含むことを特徴とするハイブリッド車両のエンジンクラッチのトルク伝達開始点学習方法。 - 前記エンジンクラッチの印加油圧を設定比率で増加させながら、前記モータの状態変化を検出するステップでは、前記印加油圧を階段式で増加させ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エンジンクラッチのトルク伝達開始点学習方法。
- 前記変速機は、自動変速機であって、
前記変速機がP段またはN段の場合には、前記変速機の動力伝達が遮断された状態と判断す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エンジンクラッチのトルク伝達開始点学習方法。 - 前記モータの状態変化は、前記モータのトルク変化であ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エンジンクラッチのトルク伝達開始点学習方法。
- エンジンクラッチを介して連結または遮断されるエンジンとモータの出力で駆動されるハイブリッド車両のエンジンクラッチがトルク伝達を開始する地点を学習制御する方法において、
前記エンジンとモータの出力を伝達する変速機の動力伝達が遮断された状態であるかを判断するステップと、
前記エンジンが駆動された状態であるかを判断するステップと、
前記変速機の動力伝達が遮断された状態でかつ前記エンジンが駆動された状態で、前記モータの速度を零(zero)に制御し、前記エンジンを設定された目標アイドル(idle)速度に制御するステップと、
前記エンジンの速度が前記設定された目標アイドル速度に到達すれば、この時のエンジンのトルクを測定して格納し、前記エンジンクラッチの印加油圧を設定比率で増加させながら、前記エンジンの状態変化であるエンジンのトルク変動値を検出するステップと、
前記エンジンのトルク変動値を設定値と比較し、前記エンジンのトルク変動値が前記設定値以上である時の油圧を前記エンジンクラッチのトルク伝達開始点として算出するステップと、を含むことを特徴とするハイブリッド車両のエンジンクラッチのトルク伝達開始点学習方法。 - 前記ハイブリッド車両において、前記エンジンを始動したり発電を行う一体型始動−発電機(ISG;Integrated Starter&Generator)を用いて前記エンジンのアイドル制御を行うことを特徴とする請求項5記載のハイブリッド車両のエンジンクラッチのトルク伝達開始点学習方法。
- エンジンクラッチを介して連結または遮断されるエンジンとモータの出力で駆動されるハイブリッド車両のエンジンクラッチがトルク伝達を開始する地点を学習制御する方法において、
前記エンジンとモータの出力を伝達する変速機の動力伝達が遮断された状態であれば、トルク伝達開始点の学習に進入するステップと、
学習進入後、モータのトルクを零(zero)に制御し、エンジンの速度を目標アイドル速度に制御するステップと、
前記エンジンの速度が前記目標アイドル速度に到達すれば、前記目標アイドル速度と前記エンジンクラッチの粘性摩擦力によって回転するモータの速度を測定して格納するステップと、
エンジンクラッチの印加油圧を設定比率で増加させながら、前記モータの速度変化を検出するステップと、
前記モータの変動速度値から前記粘性摩擦力によって回転する前記モータの速度値を差し引いた絶対値が設定値以上の時の設定油圧をトルク伝達開始点油圧として新たに設定するステップとを含むことを特徴とするハイブリッド車両のエンジンクラッチのトルク伝達開始点学習方法。 - ハイブリッド車両において、エンジンとモータとの間に位置し、前記エンジンとモータとを結合または解除するエンジンクラッチと、
前記エンジンを起動させたり発電を行う一体型始動−発電機(Integrated Starter&Generator;ISG)と、
変速段レバーの操作により車輪に印加される動力を変速して提供する変速機と、
前記エンジン、モータ、変速機、ISGおよびエンジンクラッチを条件が合った状況で駆動制御し、これらの状態をチェックすることにより、前記エンジンクラッチのトルク伝達開始点を学習する制御ユニットとを含み、
前記制御ユニットは、
前記エンジンとモータの出力を伝達する変速機の動力伝達が遮断された状態であるかを判断するステップと、前記エンジンが駆動された状態であるかを判断するステップと、前記変速機の動力伝達が遮断された状態でかつ前記エンジンが駆動された状態で、モータの速度が前記エンジンの回転速度とは異なる設定された速度に維持されるように前記モータを制御するステップと、エンジンクラッチの印加油圧を設定比率で増加させながら、前記モータの状態変化を検出するステップと、前記モータの状態変化に基づいて前記エンジンクラッチのトルク伝達開始点を算出するステップとを含む、ハイブリッド車両のエンジンクラッチのトルク伝達開始点学習方法を実行するための設定されたプログラムによって動作することを特徴とするハイブリッド車両のエンジンクラッチのトルク伝達開始点学習システム。
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- 2012-12-21 DE DE102012224278.3A patent/DE102012224278B4/de active Active
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CN103661358A (zh) | 2014-03-26 |
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DE102012224278B4 (de) | 2024-06-06 |
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US20140067174A1 (en) | 2014-03-06 |
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