JP2015217686A - 四輪駆動車両の制御装置 - Google Patents
四輪駆動車両の制御装置 Download PDFInfo
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- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
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- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/348—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed
- B60K17/35—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
- B60K17/3515—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches with a clutch adjacent to traction wheel, e.g. automatic wheel hub
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- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
- B60K23/0808—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/119—Conjoint control of vehicle sub-units of different type or different function including control of all-wheel-driveline means, e.g. transfer gears or clutches for dividing torque between front and rear axle
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
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- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
- B60K2023/085—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles automatically actuated
- B60K2023/0858—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles automatically actuated with electric means, e.g. electro-hydraulic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W2520/00—Input parameters relating to overall vehicle dynamics
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- 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
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- B60W2540/16—Ratio selector position
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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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/215—Selection or confirmation of options
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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
- B60W2710/02—Clutches
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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
- B60W2710/10—Change speed gearings
- B60W2710/1038—Output speed
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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
- B60W2710/12—Differentials
- B60W2710/125—Locking status
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Arrangement And Driving Of Transmission Devices (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
Abstract
Description
12:エンジン(駆動力源)
14(14L,14R):前輪(主駆動輪)
16(16L,16R):後輪(副駆動輪)
18:変速機(自動変速機)
24:トランスファ
26:ドリブンピニオン(回転速度が上昇させられる回転部材)
28:プロペラシャフト(駆動力伝達軸、回転速度が上昇させられる回転部材)
30:ドライブピニオン(回転速度が上昇させられる回転部材)
32c:デフケース(回転速度が上昇させられる回転部材)
38:第2回転部材(回転速度が上昇させられる回転部材)
40:フロント側クラッチ(断接機構)
54:カップリング(断接機構、クラッチ)
54ca:内側クラッチ板(相対する回転部材)
54cb:外側クラッチ板(相対する回転部材)
86:パドルスイッチ(手動変速装置)
88:走行モード選択スイッチ(モード選択装置)
100:電子制御装置(制御装置)
102:駆動状態判定部(四輪駆動移行判定部)
106:クラッチ制御部
108:走行状態判定部
Claims (10)
- 主駆動輪へ伝達される駆動力源の動力の一部を四輪駆動走行中に副駆動輪へ伝達する駆動力伝達軸と、前記駆動力伝達軸の前記駆動力源側と前記副駆動輪側とに各々設けられた、前記駆動力源と前記副駆動輪との間の動力伝達経路を断接する2つの断接機構とを備え、前記2つの断接機構のうちの一方は、相対する回転部材を有して前記相対する回転部材の回転速度を同期させる過程での係合力が制御されるクラッチである四輪駆動車両の、制御装置であって、
前記クラッチにおける係合力を、前記駆動力伝達軸の回転速度の連続的な上昇が開始させられる前の状態に前記駆動力伝達軸を維持する係合力に制御するクラッチ制御部を含むことを特徴とする四輪駆動車両の制御装置。 - 前記クラッチ制御部は、前記クラッチの係合に伴って回転速度が上昇させられる回転部材を潤滑する作動油の温度に基づいて、前記クラッチにおける係合力の制御開始時の係合力を変更することを特徴とする請求項1に記載の四輪駆動車両の制御装置。
- 前記クラッチ制御部は、前記クラッチにおける係合力の制御時の係合力を連続的乃至段階的に高くし、前記駆動力伝達軸の回転速度が上昇開始したときの係合力よりも所定値分低い係合力を保持することを特徴とする請求項1又は2に記載の四輪駆動車両の制御装置。
- 前記クラッチ制御部は、前記所定値分低い係合力を、次回の前記クラッチにおける係合力の制御開始時の係合力とすることを特徴とする請求項3に記載の四輪駆動車両の制御装置。
- 前記2つの断接機構を共に解放して走行する前記二輪駆動走行中に、前記2つの断接機構を共に係合して走行する前記四輪駆動走行へ移行するか否かを判断する四輪駆動移行判定部と、
前記四輪駆動移行判定部により前記四輪駆動走行への移行が未だ判断されていないときには、前記四輪駆動車両が所定走行状態であるか否かを判断する走行状態判定部とを、更に含み、
前記クラッチ制御部は、前記走行状態判定部により前記四輪駆動車両が前記所定走行状態であると判断された場合には、前記クラッチにおける係合力を、前記駆動力伝達軸の回転速度の連続的な上昇が開始させられる前の状態に前記駆動力伝達軸を維持する係合力に制御することを特徴とする請求項1乃至4の何れか1項に記載の四輪駆動車両の制御装置。 - 前記走行状態判定部は、前記二輪駆動走行中に、前記主駆動輪と前記副駆動輪との間に所定車輪速度差が生じると予測したときには、或いはアンダーステア状態かオーバーステア状態かの何れかが発生すると予測したときには、前記四輪駆動車両が前記所定走行状態であると判断することを特徴とする請求項5に記載の四輪駆動車両の制御装置。
- 前記走行状態判定部は、低μ路、登坂路、及び操舵の状態のうちの少なくとも1つに基づいて、前記所定車輪速度差が生じるか否かを予測するか、或いは前記アンダーステア状態か前記オーバーステア状態かの何れかが発生するか否かを予測することを特徴とする請求項6に記載の四輪駆動車両の制御装置。
- 前記四輪駆動移行判定部は、前記二輪駆動走行中に、前記主駆動輪と前記副駆動輪との間に所定車輪速度差が生じたか否かを判断するか、或いはアンダーステア状態かオーバーステア状態かの何れかが発生したか否かを判断することで、前記四輪駆動走行へ移行するか否かを判断するものであり、
前記クラッチ制御部は、前記四輪駆動移行判定部により前記四輪駆動走行への移行が判断された場合には、前記クラッチにおける係合力の制御時の係合力を前記クラッチの係合に向けて増大することを特徴とする請求項5乃至7の何れか1項に記載の四輪駆動車両の制御装置。 - 前記四輪駆動車両は、更に、前記駆動力源と前記主駆動輪との間の動力伝達経路に設けられた自動変速機を備えており、
前記走行状態判定部は、前記二輪駆動走行中に、前記自動変速機を手動変速する為の手動変速装置が運転者によって操作されたときには、或いは所定のノーマルモードと比較して前記自動変速機の高車速側のギヤ比が選択され易い所定のスノーモードを選択する為のモード選択装置が運転者によって操作されて前記スノーモードが選択されたときには、前記四輪駆動車両が前記所定走行状態であると判断することを特徴とする請求項5に記載の四輪駆動車両の制御装置。 - 前記四輪駆動移行判定部は、前記二輪駆動走行中に、前記運転者によって前記操作が為されたことで前記走行状態判定部により前記四輪駆動車両が前記所定走行状態であると判断された場合には、前記自動変速機の変速が開始されたか否かを判断することで、前記四輪駆動走行へ移行するか否かを判断するものであり、
前記クラッチ制御部は、前記四輪駆動移行判定部により前記自動変速機の変速が開始されたと判断されたことで前記四輪駆動走行への移行が判断された場合には、前記クラッチにおける係合力の制御時の係合力を前記クラッチの係合に向けて増大することを特徴とする請求項9に記載の四輪駆動車両の制御装置。
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JP2014100024A JP5983675B2 (ja) | 2014-05-13 | 2014-05-13 | 四輪駆動車両の制御装置 |
US14/708,607 US10137774B2 (en) | 2014-05-13 | 2015-05-11 | Control device for 4WD vehicle |
DE102015107459.1A DE102015107459B4 (de) | 2014-05-13 | 2015-05-12 | Steuerungsvorrichtung für ein Allrad-Fahrzeug |
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Cited By (1)
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CN109080456A (zh) * | 2017-06-14 | 2018-12-25 | 株式会社捷太格特 | 驱动力传递装置 |
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JP5907142B2 (ja) * | 2013-10-22 | 2016-04-20 | トヨタ自動車株式会社 | 四輪駆動車両の制御装置 |
WO2016191322A1 (en) * | 2015-05-28 | 2016-12-01 | Borgwarner Inc. | Driveline disconnect using multimode clutches |
DE102016208792A1 (de) * | 2016-05-20 | 2017-11-23 | Zf Friedrichshafen Ag | Steuern einer Allradkupplung |
US10486690B2 (en) | 2016-12-14 | 2019-11-26 | Bendix Commerical Vehicle Systems, Llc | Front end motor-generator system and hybrid electric vehicle operating method |
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JP5983675B2 (ja) | 2016-09-06 |
DE102015107459A1 (de) | 2015-11-19 |
DE102015107459B4 (de) | 2022-03-31 |
US20150328982A1 (en) | 2015-11-19 |
US10137774B2 (en) | 2018-11-27 |
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