FR2864601B1 - METHOD FOR CONTROLLING AUTOMATIC TRANSMISSION OF MOTOR VEHICLE - Google Patents

METHOD FOR CONTROLLING AUTOMATIC TRANSMISSION OF MOTOR VEHICLE

Info

Publication number
FR2864601B1
FR2864601B1 FR0315386A FR0315386A FR2864601B1 FR 2864601 B1 FR2864601 B1 FR 2864601B1 FR 0315386 A FR0315386 A FR 0315386A FR 0315386 A FR0315386 A FR 0315386A FR 2864601 B1 FR2864601 B1 FR 2864601B1
Authority
FR
France
Prior art keywords
threshold
acceleration
motor vehicle
vehicle
automatic 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
FR0315386A
Other languages
French (fr)
Other versions
FR2864601A1 (en
Inventor
Carine Poisson
Eric Brun
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 FR0315386A priority Critical patent/FR2864601B1/en
Publication of FR2864601A1 publication Critical patent/FR2864601A1/en
Application granted granted Critical
Publication of FR2864601B1 publication Critical patent/FR2864601B1/en
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
    • 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
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over 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
    • 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
    • F16H61/66—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 continuously variable gearings
    • F16H61/662—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 continuously variable gearings with endless flexible members
    • F16H61/66254—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 continuously variable gearings with endless flexible members controlling of shifting being influenced by a signal derived from the engine and the main coupling
    • 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
    • F16H61/66—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 continuously variable gearings
    • F16H61/664—Friction gearings
    • F16H61/6648—Friction gearings controlling of shifting being influenced by a signal derived from the engine and the main coupling
    • 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
    • F16H59/60—Inputs being a function of ambient conditions
    • F16H59/66—Road conditions, e.g. slope, slippery
    • F16H2059/663—Road slope
    • 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
    • F16H59/48—Inputs being a function of acceleration
    • 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
    • F16H59/60—Inputs being a function of ambient conditions
    • F16H59/66—Road conditions, e.g. slope, slippery

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

The process involves blocking passages of increasing speed when acceleration of a motor vehicle is greater than threshold acceleration, and slope of roadway, on which the vehicle moves, is less than threshold slope. The threshold-acceleration and threshold-slope are predetermined threshold values. The acceleration of the vehicle is directly related to the engine load of the vehicle. - An INDEPENDENT CLAIM is also included for an application of a control process to a transmission with discrete ratios.
FR0315386A 2003-12-24 2003-12-24 METHOD FOR CONTROLLING AUTOMATIC TRANSMISSION OF MOTOR VEHICLE Expired - Fee Related FR2864601B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0315386A FR2864601B1 (en) 2003-12-24 2003-12-24 METHOD FOR CONTROLLING AUTOMATIC TRANSMISSION OF MOTOR VEHICLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0315386A FR2864601B1 (en) 2003-12-24 2003-12-24 METHOD FOR CONTROLLING AUTOMATIC TRANSMISSION OF MOTOR VEHICLE

Publications (2)

Publication Number Publication Date
FR2864601A1 FR2864601A1 (en) 2005-07-01
FR2864601B1 true FR2864601B1 (en) 2006-03-17

Family

ID=34639598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0315386A Expired - Fee Related FR2864601B1 (en) 2003-12-24 2003-12-24 METHOD FOR CONTROLLING AUTOMATIC TRANSMISSION OF MOTOR VEHICLE

Country Status (1)

Country Link
FR (1) FR2864601B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4322926B2 (en) 2007-01-23 2009-09-02 本田技研工業株式会社 Control device for automatic transmission for vehicle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3334718A1 (en) * 1983-09-26 1985-04-04 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover TRANSMISSION CONTROL FOR A ROAD VEHICLE
KR940009849B1 (en) * 1990-04-17 1994-10-18 미쓰비시덴키가부시키가이샤 Auto-transmission control device
DE4204594A1 (en) * 1991-02-28 1992-09-03 Volkswagen Ag Operation of vehicular automatic transmission with microprocessor control - involves inhibition of changes into higher ratio on down grades where predetermined data deviation limits are exceeded
DE19540925A1 (en) * 1995-11-03 1997-05-07 Bayerische Motoren Werke Ag Continuously adjustable gearing of vehicle with control unit
JP3453269B2 (en) * 1997-03-14 2003-10-06 株式会社日立ユニシアオートモティブ Shift control device for automatic transmission for vehicle
DE10041441A1 (en) * 2000-08-23 2002-03-07 Bosch Gmbh Robert Control system for a motor vehicle automatic transmission and method for operating the control system

Also Published As

Publication number Publication date
FR2864601A1 (en) 2005-07-01

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Legal Events

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Year of fee payment: 13

PLFP Fee payment

Year of fee payment: 14

ST Notification of lapse

Effective date: 20180831