JP7040363B2 - 車両の制御装置 - Google Patents
車両の制御装置 Download PDFInfo
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- JP7040363B2 JP7040363B2 JP2018160784A JP2018160784A JP7040363B2 JP 7040363 B2 JP7040363 B2 JP 7040363B2 JP 2018160784 A JP2018160784 A JP 2018160784A JP 2018160784 A JP2018160784 A JP 2018160784A JP 7040363 B2 JP7040363 B2 JP 7040363B2
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- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
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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
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- F16H61/684—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 specially adapted for stepped gearings without interruption of drive
- F16H61/686—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 specially adapted for stepped gearings without interruption of drive with orbital gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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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Description
また、前記第1の発明によれば、コーストダウンシフト時には、有段変速機の入力回転速度が所定回転速度よりも低い第2所定回転速度に到達すると、一時的に増大させた有段変速機の入力トルクが低減されるので、入力トルクを増大させたままの状態と比べて入力回転速度の上昇勾配が緩やかにされて、同期ショックの発生が抑制される。又、車速変化率が小さいときは大きいときと比べて有段変速機の入力トルクを低減するときの上限値が低くされるので、同期ショックの発生が適切に抑制される。
14:エンジン(動力源)
18:電気式無段変速部(電気式変速機構)
20:機械式有段変速部(有段変速機)
28:駆動輪
30:中間伝達部材(電気式変速機構の出力回転部材)
32:差動機構
80:電子制御装置(制御装置)
82:AT変速制御部(変速制御部)
88:トルク増大量設定部
CB:係合装置
F1:ワンウェイクラッチ
MG1:第1回転機
MG2:第2回転機(動力源)
Claims (5)
- 動力源と、前記動力源と駆動輪との間の動力伝達経路の一部を構成すると共に複数の係合装置のうちの所定の係合装置の係合によって複数のギヤ段のうちの何れかのギヤ段が形成される有段変速機とを備えた車両の、制御装置であって、
前記有段変速機のコーストダウンシフト時に、前記有段変速機の入力トルクを要求入力トルクよりも一時的に増大させることにより前記有段変速機の入力回転速度を前記コーストダウンシフト後のギヤ段における同期回転速度に向けて上昇させ、前記入力回転速度が所定回転速度に達すると、前記所定の係合装置のうちの前記コーストダウンシフト前には解放されていた係合装置である係合側係合装置を係合する変速制御部と、
前記車両の減速時における車速変化率の値を負値としたときに、前記車速変化率が小さいときは大きいときと比べて、前記コーストダウンシフト時における前記入力トルクの前記要求入力トルクに対するトルク増大量を小さな値に設定するトルク増大量設定部と
を、含むものであり、
前記変速制御部は、前記コーストダウンシフト時には、前記有段変速機の入力回転速度が前記所定回転速度よりも低い第2所定回転速度に到達すると、前記一時的に増大させた前記有段変速機の入力トルクを低減するものであり、
前記トルク増大量設定部は、前記車速変化率が小さいときは大きいときと比べて前記有段変速機の入力トルクを低減するときの上限値を低くすることを特徴とする車両の制御装置。 - 前記コーストダウンシフトは、前記係合側係合装置の係合により形成されると共に前記係合側係合装置と並列に配置されたワンウェイクラッチの係合により形成されるロー側のギヤ段へのコーストダウンシフトであることを特徴とする請求項1に記載の車両の制御装置。
- 前記トルク増大量設定部は、前記トルク増大量を車速が低いほど小さな値に設定することを特徴とする請求項1又は2に記載の車両の制御装置。
- 前記係合装置は、油圧式の係合装置であり、
前記トルク増大量設定部は、前記トルク増大量を前記係合装置を作動させる作動油の温度が低いほど大きな値に設定することを特徴とする請求項1から3の何れか1項に記載の車両の制御装置。 - 前記車両は、前記動力源として機能するエンジンと、前記エンジンが動力伝達可能に連結された差動機構と前記差動機構に動力伝達可能に連結された第1回転機とを有して前記第1回転機の運転状態が制御されることにより前記差動機構の差動状態が制御される電気式変速機構と、前記電気式変速機構の出力回転部材に動力伝達可能に連結された、前記動力源として機能する第2回転機とを備えたハイブリッド車両であり、
前記変速制御部は、前記第2回転機の出力トルクを要求トルクよりも一時的に増大させることにより前記有段変速機の入力トルクを前記要求入力トルクよりも一時的に増大させることを特徴とする請求項1から4の何れか1項に記載の車両の制御装置。
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