FR2761642B1 - Dispositif pour commander un systeme de transmission de couple - Google Patents

Dispositif pour commander un systeme de transmission de couple

Info

Publication number
FR2761642B1
FR2761642B1 FR9806293A FR9806293A FR2761642B1 FR 2761642 B1 FR2761642 B1 FR 2761642B1 FR 9806293 A FR9806293 A FR 9806293A FR 9806293 A FR9806293 A FR 9806293A FR 2761642 B1 FR2761642 B1 FR 2761642B1
Authority
FR
France
Prior art keywords
controlling
transmission system
torque transmission
torque
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9806293A
Other languages
English (en)
Other versions
FR2761642A1 (fr
Inventor
Oliver Amendt
Michael Reuschel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LuK Getriebe Systeme GmbH
Original Assignee
LuK Getriebe Systeme GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LuK Getriebe Systeme GmbH filed Critical LuK Getriebe Systeme GmbH
Publication of FR2761642A1 publication Critical patent/FR2761642A1/fr
Application granted granted Critical
Publication of FR2761642B1 publication Critical patent/FR2761642B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/066—Control of fluid pressure, e.g. using an accumulator
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18027—Drive off, accelerating from standstill
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18063—Creeping
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/104—Clutch
    • F16D2500/10406—Clutch position
    • F16D2500/10412—Transmission line of a vehicle
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/306—Signal inputs from the engine
    • F16D2500/3067—Speed of the engine
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/308—Signal inputs from the transmission
    • F16D2500/30806—Engaged transmission ratio
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/31—Signal inputs from the vehicle
    • F16D2500/3108—Vehicle speed
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/314—Signal inputs from the user
    • F16D2500/31406—Signal inputs from the user input from pedals
    • F16D2500/31426—Brake pedal position
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/314—Signal inputs from the user
    • F16D2500/31406—Signal inputs from the user input from pedals
    • F16D2500/31426—Brake pedal position
    • F16D2500/31433—Brake pedal position threshold, e.g. switch
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/314—Signal inputs from the user
    • F16D2500/31406—Signal inputs from the user input from pedals
    • F16D2500/3144—Accelerator pedal position
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/316—Other signal inputs not covered by the groups above
    • F16D2500/3166—Detection of an elapsed period of time
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/502—Relating the clutch
    • F16D2500/50206—Creep control
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/502—Relating the clutch
    • F16D2500/50245—Calibration or recalibration of the clutch touch-point
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70422—Clutch parameters
    • F16D2500/70438—From the output shaft
    • F16D2500/7044—Output shaft torque

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Control Of Transmission Device (AREA)
FR9806293A 1996-04-23 1998-05-19 Dispositif pour commander un systeme de transmission de couple Expired - Fee Related FR2761642B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19616055 1996-04-23

Publications (2)

Publication Number Publication Date
FR2761642A1 FR2761642A1 (fr) 1998-10-09
FR2761642B1 true FR2761642B1 (fr) 2000-11-03

Family

ID=7792124

Family Applications (2)

Application Number Title Priority Date Filing Date
FR9705020A Expired - Fee Related FR2747624B1 (fr) 1996-04-23 1997-04-23 Dispositif pour commander un systeme de transmission de couple
FR9806293A Expired - Fee Related FR2761642B1 (fr) 1996-04-23 1998-05-19 Dispositif pour commander un systeme de transmission de couple

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR9705020A Expired - Fee Related FR2747624B1 (fr) 1996-04-23 1997-04-23 Dispositif pour commander un systeme de transmission de couple

Country Status (9)

Country Link
US (1) US5989153A (fr)
JP (1) JPH11508350A (fr)
KR (1) KR100561268B1 (fr)
CN (1) CN1095529C (fr)
BR (1) BR9702191A (fr)
DE (2) DE19716828A1 (fr)
FR (2) FR2747624B1 (fr)
GB (1) GB2318849B (fr)
WO (1) WO1997040284A1 (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19628787C2 (de) * 1996-07-17 2002-11-14 Luk Gs Verwaltungs Kg Automatisch steuerbare Kupplung
NO981839L (no) * 1997-04-30 1998-11-02 Luk Getriebe Systeme Gmbh Anordning for styring av et dreiemomentoverf°ringssystem
GB9803436D0 (en) * 1998-02-19 1998-04-15 Ap Kongsberg Ltd Clutch control systems
DE19852993B4 (de) * 1998-11-17 2012-03-22 Volkswagen Ag Verfahren zum Halten eines Kraftfahrzeuges unter einer äußeren Kraft beim Anfahren eines Kraftfahrzeugs
JP3574997B2 (ja) * 1999-06-11 2004-10-06 本田技研工業株式会社 ブレーキ力制御装置
JP3546401B2 (ja) * 1999-08-06 2004-07-28 本田技研工業株式会社 車両の駆動力制御装置
DE19956305A1 (de) * 1999-11-20 2001-05-23 Volkswagen Ag Verfahren und Vorrichtung zur Steuerung einer automatisierten Kupplung
DE10008167A1 (de) 2000-02-23 2001-08-30 Zahnradfabrik Friedrichshafen Reibkupplung
DE10016582A1 (de) 2000-04-04 2001-10-11 Zahnradfabrik Friedrichshafen Rangiermodus bei Fahrzeugen mit automatisierter Kupplung
GB2361980A (en) * 2000-05-05 2001-11-07 Eaton Corp Dry clutch control system using idle drive torque so as to provide vehicle crawl speed
JP2002192991A (ja) * 2000-12-14 2002-07-10 Luk Lamellen & Kupplungsbau Beteiligungs Kg ドライブトレインに設けられた自動クラッチ及び／又はオートマチックトランスミッションを備えた自動車
BR0116734A (pt) * 2001-01-09 2003-12-23 Luk Lamellen & Kupplungsbau Caixa de mudanças
JP2002249037A (ja) * 2001-02-21 2002-09-03 Aisin Seiki Co Ltd 自動変速装置付車両における制動制御装置
MXPA02003899A (es) * 2001-04-19 2005-02-17 Transmission Technologies Corp Metodo de aparato para accionar un embrague en una transmision mecanica automatizada.
DE10308518B4 (de) * 2003-02-26 2018-07-12 Volkswagen Ag Verfahren zur Ermittlung eines übertragbaren Drehmomentes einer Kupplung eines automatischen Getriebes eines Kraftfahrzeuges
JP4723233B2 (ja) * 2004-12-10 2011-07-13 ヤマハ発動機株式会社 鞍乗型車両の変速制御装置、制御方法及び鞍乗型車両
CN100410557C (zh) * 2005-03-09 2008-08-13 加特可株式会社 离合器控制装置和方法
ES2399244T3 (es) * 2005-09-07 2013-03-26 Volvo Lastvagnar Ab Procedimiento para el accionamiento de una transmisión automática o semiautomática manual de un vehículo pesado, en modalidad de marcha en vacío
EP1770313B1 (fr) * 2005-10-01 2012-05-16 Schaeffler Technologies AG & Co. KG Procédé et dispositf destinés à l'utilisation d'un dispositif d'entraînement
DE102005058776B4 (de) * 2005-12-09 2018-03-01 Zf Friedrichshafen Ag Vorrichtung zum Steuern und/oder Regeln eines hydraulisch betätigbaren Schaltelementes einer Getriebeeinrichtung und Getriebeeinrichtung
BRPI0721378B1 (pt) * 2007-02-27 2018-09-18 Volvo Lastvagnar Ab um método para operação de uma transmissão automática ou semi-automática de um veículo pesado quando em modo de tração sem carga
EP2063148B1 (fr) 2007-11-26 2014-04-30 Getrag Ford Transmissions GmbH Procédé destiné à la commande d'un embrayage
KR100992635B1 (ko) * 2007-12-13 2010-11-05 현대자동차주식회사 하이브리드 차량의 운전자 요구 토크 제어 방법
DE102009022287A1 (de) * 2008-06-05 2009-12-10 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Verfahren zum Steuern eines Kriechverhaltens eines Kraftfahrzeugs
DE102009053021A1 (de) * 2008-12-04 2010-06-10 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Kriechvorgang
DE102009055832A1 (de) * 2009-11-26 2011-06-01 GM Global Technology Operations LLC, ( n. d. Ges. d. Staates Delaware ), Detroit Verfahren zur Steuerung einer Kupplungsvorrichtung und elektronisch gesteuerte Reibungskupplung
CN102859224B (zh) * 2010-04-26 2015-06-17 舍弗勒技术股份两合公司 用于适配汽车动力传动系中离合器的接触点的方法
DE102013208859B4 (de) * 2012-05-21 2017-09-14 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Verfahren zum Steuern des Leistungsvermögen eines Fahrzeugs aus einem stationären Zustand
DE102012015872A1 (de) * 2012-08-09 2014-05-15 Volkswagen Aktiengesellschaft Schaltung, Verfahren und Computerprogramm zur Steuerung eines Kriechmodus
KR101393909B1 (ko) * 2012-09-25 2014-05-12 현대자동차주식회사 차량의 클러치 제어방법
US9056604B2 (en) 2013-07-26 2015-06-16 GM Global Technology Operations LLC Feed-forward engine idle speed control
US8972128B2 (en) 2013-07-26 2015-03-03 GM Global Technology Operations LLC Transmission with creep control intervention functionality
DE102014106922B4 (de) 2014-05-16 2021-07-15 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zum Einstellen eines Kupplungsmomentes sowie Steuergerät
DE102015213317A1 (de) * 2014-08-13 2016-02-18 Schaeffler Technologies AG & Co. KG Verfahren zur Ermittlung eines Tastpunktes einer Hybridtrennkupplung eines Hybridfahrzeuges
DE102015226134A1 (de) * 2015-12-21 2017-06-22 Zf Friedrichshafen Ag Verfahren zum Betreiben eines Kraftfahrzeugs
GB2572640B (en) * 2018-04-06 2020-09-30 Jaguar Land Rover Ltd Modifying mapping of throttle pedal input to torque demand
CN114506329B (zh) * 2022-02-14 2023-05-30 东风汽车集团股份有限公司 车辆起步控制方法及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0127085A2 (fr) * 1983-05-27 1984-12-05 Nissan Motor Co., Ltd. Dispositif de commande d'un embrayage automatique hydraulique
JPH0729569B2 (ja) * 1983-06-29 1995-04-05 いすゞ自動車株式会社 自動クラッチ制御装置
JP2748470B2 (ja) * 1988-12-20 1998-05-06 いすゞ自動車株式会社 車両用自動変速装置
DE4011850B4 (de) * 1989-04-17 2006-04-27 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Verfahren zum Steuern einer zwischen einer Antriebsmaschine und einem Getriebe wirksamen automatisierten Reibungskupplung
FR2645805B1 (fr) * 1989-04-17 1995-07-13 Luk Lamellen & Kupplungsbau Procede de commande d'un embrayage a friction automatise agissant entre un moteur d'entrainement et une transmission, appareillage pour la mise en oeuvre du procede, et regulation associee d'un embrayage a friction
GB2280721B (en) * 1993-08-03 1998-03-11 Luk Getriebe Systeme Gmbh Motor vehicle automatic clutch control
DE4426260A1 (de) * 1993-08-03 1995-02-09 Luk Getriebe Systeme Gmbh Kraftfahrzeug
DE19504935A1 (de) 1994-02-23 1995-08-24 Luk Getriebe Systeme Gmbh Verfahren zum Steuern eines Drehmomenten-Übertragungssystems

Also Published As

Publication number Publication date
GB2318849A (en) 1998-05-06
FR2761642A1 (fr) 1998-10-09
FR2747624B1 (fr) 1999-01-29
JPH11508350A (ja) 1999-07-21
US5989153A (en) 1999-11-23
WO1997040284A1 (fr) 1997-10-30
GB9726785D0 (en) 1998-02-18
FR2747624A1 (fr) 1997-10-24
CN1095529C (zh) 2002-12-04
DE19716828A1 (de) 1997-11-13
CN1189881A (zh) 1998-08-05
KR100561268B1 (ko) 2006-10-31
DE19780343D2 (de) 1998-08-20
BR9702191A (pt) 1999-03-16
GB2318849B (en) 2000-07-05
KR19990028319A (ko) 1999-04-15

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20091231