FR2941268B1 - SYSTEM AND METHOD FOR CONTROLLING AN INFINITELY VARIABLE TRANSMISSION DURING LOW ADHESION STARTING. - Google Patents

SYSTEM AND METHOD FOR CONTROLLING AN INFINITELY VARIABLE TRANSMISSION DURING LOW ADHESION STARTING.

Info

Publication number
FR2941268B1
FR2941268B1 FR0950307A FR0950307A FR2941268B1 FR 2941268 B1 FR2941268 B1 FR 2941268B1 FR 0950307 A FR0950307 A FR 0950307A FR 0950307 A FR0950307 A FR 0950307A FR 2941268 B1 FR2941268 B1 FR 2941268B1
Authority
FR
France
Prior art keywords
controlling
variable transmission
during low
transmission during
low adhesion
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
FR0950307A
Other languages
French (fr)
Other versions
FR2941268A1 (en
Inventor
Julien Maynard
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR0950307A priority Critical patent/FR2941268B1/en
Priority to KR1020117019291A priority patent/KR20110113749A/en
Priority to EP09803827A priority patent/EP2379393A1/en
Priority to JP2011545775A priority patent/JP2012515313A/en
Priority to PCT/FR2009/052470 priority patent/WO2010081948A1/en
Publication of FR2941268A1 publication Critical patent/FR2941268A1/en
Application granted granted Critical
Publication of FR2941268B1 publication Critical patent/FR2941268B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B60W30/18—Propelling the vehicle
    • B60W30/18172—Preventing, or responsive to skidding of wheels
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/101—Infinitely variable gearings
    • B60W10/107—Infinitely variable gearings with endless flexible members
    • 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
    • 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
    • B60W30/18—Propelling the vehicle
    • B60W30/182—Selecting between different operative modes, e.g. comfort and performance modes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0215—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission
    • F02D41/0225—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission in relation with the gear ratio or shift lever position
    • 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
    • B60W2552/00—Input parameters relating to infrastructure
    • 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
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/40—Coefficient of friction
    • 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
    • B60W2710/06—Combustion engines, Gas turbines
    • B60W2710/0666—Engine torque
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/18—Control of the engine output torque
    • F02D2250/26—Control of the engine output torque by applying a torque limit
    • 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
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/08—Range selector apparatus
    • F16H2059/082—Range selector apparatus with different modes
    • F16H2059/087—Winter mode, e.g. to start on snow or slippery surfaces
    • 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
    • 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
    • F16H61/02—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 characterised by the signals used
    • F16H61/0202—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 characterised by the signals used the signals being electric
    • F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • F16H2061/0234—Adapting the ratios to special vehicle conditions
    • F16H2061/0239—Selecting ratios for preventing or cancelling wheel slip

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Transmission Device (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
FR0950307A 2009-01-19 2009-01-19 SYSTEM AND METHOD FOR CONTROLLING AN INFINITELY VARIABLE TRANSMISSION DURING LOW ADHESION STARTING. Expired - Fee Related FR2941268B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0950307A FR2941268B1 (en) 2009-01-19 2009-01-19 SYSTEM AND METHOD FOR CONTROLLING AN INFINITELY VARIABLE TRANSMISSION DURING LOW ADHESION STARTING.
KR1020117019291A KR20110113749A (en) 2009-01-19 2009-12-10 System and method for controlling an infinitely variable transmission during a start under low grip conditions
EP09803827A EP2379393A1 (en) 2009-01-19 2009-12-10 System and method for controlling an infinitely variable transmission during a start under low grip conditions
JP2011545775A JP2012515313A (en) 2009-01-19 2009-12-10 System and method for controlling a continuously variable transmission when starting in a low grip state
PCT/FR2009/052470 WO2010081948A1 (en) 2009-01-19 2009-12-10 System and method for controlling an infinitely variable transmission during a start under low grip conditions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0950307A FR2941268B1 (en) 2009-01-19 2009-01-19 SYSTEM AND METHOD FOR CONTROLLING AN INFINITELY VARIABLE TRANSMISSION DURING LOW ADHESION STARTING.

Publications (2)

Publication Number Publication Date
FR2941268A1 FR2941268A1 (en) 2010-07-23
FR2941268B1 true FR2941268B1 (en) 2011-02-18

Family

ID=40909927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0950307A Expired - Fee Related FR2941268B1 (en) 2009-01-19 2009-01-19 SYSTEM AND METHOD FOR CONTROLLING AN INFINITELY VARIABLE TRANSMISSION DURING LOW ADHESION STARTING.

Country Status (5)

Country Link
EP (1) EP2379393A1 (en)
JP (1) JP2012515313A (en)
KR (1) KR20110113749A (en)
FR (1) FR2941268B1 (en)
WO (1) WO2010081948A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5586953A (en) 1994-01-31 1996-12-24 Nissan Motor Co., Ltd. System for controlling a continuously variable transmission in response to a sensed wheel deceleration
JP3494012B2 (en) 1998-06-03 2004-02-03 日産自動車株式会社 Transmission control device for continuously variable transmission
EP1336527B1 (en) * 2002-02-15 2010-08-18 Ford Global Technologies, Inc. A method for controlling torque and a system for carrying out the method
CN100394082C (en) * 2003-01-29 2008-06-11 本田技研工业株式会社 Vehicle control system
JP3892403B2 (en) * 2003-01-29 2007-03-14 本田技研工業株式会社 Vehicle control device
DE102004034097A1 (en) * 2004-07-15 2006-02-09 Zf Friedrichshafen Ag Method for operating a motor vehicle with a manual transmission, automatic transmission or continuously variable transmission on roads with low coefficient of friction
FR2910420B1 (en) * 2006-12-22 2009-01-23 Renault Sas METHOD FOR CONTROLLING CONTINUOUSLY VARIABLE TRANSMISSION FOR MOTOR VEHICLE

Also Published As

Publication number Publication date
WO2010081948A1 (en) 2010-07-22
FR2941268A1 (en) 2010-07-23
EP2379393A1 (en) 2011-10-26
KR20110113749A (en) 2011-10-18
JP2012515313A (en) 2012-07-05

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Year of fee payment: 7

ST Notification of lapse

Effective date: 20160930