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GB2630029B - Controlling gear shifts - Google Patents

Controlling gear shifts

Info

Publication number
GB2630029B
GB2630029B GB2306972.7A GB202306972A GB2630029B GB 2630029 B GB2630029 B GB 2630029B GB 202306972 A GB202306972 A GB 202306972A GB 2630029 B GB2630029 B GB 2630029B
Authority
GB
United Kingdom
Prior art keywords
gear shifts
controlling gear
controlling
shifts
gear
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.)
Active
Application number
GB2306972.7A
Other versions
GB2630029A (en
GB202306972D0 (en
Inventor
Owen Tom
Johnson Sam
Crean Robert
Mannion James
Cannon James
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.)
Jaguar Land Rover Ltd
Original Assignee
Jaguar Land Rover Ltd
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 Jaguar Land Rover Ltd filed Critical Jaguar Land Rover Ltd
Priority to GB2306972.7A priority Critical patent/GB2630029B/en
Publication of GB202306972D0 publication Critical patent/GB202306972D0/en
Priority to PCT/EP2024/062635 priority patent/WO2024231411A1/en
Priority to CN202480031691.3A priority patent/CN121195127A/en
Publication of GB2630029A publication Critical patent/GB2630029A/en
Application granted granted Critical
Publication of GB2630029B publication Critical patent/GB2630029B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F16H61/04—Smoothing ratio shift
    • F16H61/08—Timing 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
    • 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
    • F16H61/04—Smoothing ratio shift
    • F16H61/0437—Smoothing ratio shift by using electrical signals
    • 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
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/30—Control strategies involving selection of transmission gear 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
    • 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 overspeed  
    • 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
    • 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
    • F16H63/50—Signals to an engine or motor
    • F16H63/502—Signals to an engine or motor for smoothing gear shifts
    • 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
    • B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles
    • 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
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H2059/144—Inputs being a function of torque or torque demand characterised by change between positive and negative drive line torque, e.g. torque changes when switching between coasting and 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
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
    • F16H2059/183—Rate of change of accelerator position, i.e. pedal or throttle change gradient
    • 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
    • F16H59/68—Inputs being a function of gearing status
    • F16H2059/6807—Status of gear-change operation, e.g. clutch fully engaged
    • 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 overspeed  
    • F16H2061/163—Holding the gear for delaying gear shifts under unfavorable conditions, e.g. during cornering
    • 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
    • F16H2302/00—Determining the way or trajectory to new ratio, e.g. by determining speed, torque or time parameters for shift transition
    • F16H2302/06—Determining timing parameters of shifting, e.g. start of shifting
    • 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
    • F16H2306/00—Shifting
    • F16H2306/20—Timing of gear shifts
    • 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
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
    • 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
    • F16H59/36—Inputs being a function of speed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Control Of Transmission Device (AREA)
GB2306972.7A 2023-05-11 2023-05-11 Controlling gear shifts Active GB2630029B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2306972.7A GB2630029B (en) 2023-05-11 2023-05-11 Controlling gear shifts
PCT/EP2024/062635 WO2024231411A1 (en) 2023-05-11 2024-05-07 Controlling gear shifts
CN202480031691.3A CN121195127A (en) 2023-05-11 2024-05-07 Controlling gear shifting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2306972.7A GB2630029B (en) 2023-05-11 2023-05-11 Controlling gear shifts

Publications (3)

Publication Number Publication Date
GB202306972D0 GB202306972D0 (en) 2023-06-28
GB2630029A GB2630029A (en) 2024-11-20
GB2630029B true GB2630029B (en) 2025-08-27

Family

ID=86872315

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2306972.7A Active GB2630029B (en) 2023-05-11 2023-05-11 Controlling gear shifts

Country Status (3)

Country Link
CN (1) CN121195127A (en)
GB (1) GB2630029B (en)
WO (1) WO2024231411A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4938102A (en) * 1988-04-23 1990-07-03 Chrysler Motors Corporation Method of adaptively scheduling a shift for an electronic automatic transmission system
US20100211275A1 (en) * 2009-02-13 2010-08-19 Toyota Jidosha Kabushiki Kaisha Control device of vehicular automatic transmission and method of controlling the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5462500A (en) * 1993-05-21 1995-10-31 Chrysler Corporation Automatic transmission with adaptive shift schedule
JP3937282B2 (en) * 2000-09-18 2007-06-27 ジヤトコ株式会社 Shift control device for automatic transmission

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4938102A (en) * 1988-04-23 1990-07-03 Chrysler Motors Corporation Method of adaptively scheduling a shift for an electronic automatic transmission system
US20100211275A1 (en) * 2009-02-13 2010-08-19 Toyota Jidosha Kabushiki Kaisha Control device of vehicular automatic transmission and method of controlling the same

Also Published As

Publication number Publication date
GB2630029A (en) 2024-11-20
WO2024231411A1 (en) 2024-11-14
CN121195127A (en) 2025-12-23
GB202306972D0 (en) 2023-06-28

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