CA2081997A1 - Inference-based manual pulldown control of an automatic transmission - Google Patents

Inference-based manual pulldown control of an automatic transmission

Info

Publication number
CA2081997A1
CA2081997A1 CA2081997A CA2081997A CA2081997A1 CA 2081997 A1 CA2081997 A1 CA 2081997A1 CA 2081997 A CA2081997 A CA 2081997A CA 2081997 A CA2081997 A CA 2081997A CA 2081997 A1 CA2081997 A1 CA 2081997A1
Authority
CA
Canada
Prior art keywords
inference
parameters
fuzzy logic
shift pattern
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.)
Granted
Application number
CA2081997A
Other languages
French (fr)
Other versions
CA2081997C (en
Inventor
Rimas Stasys Milunas
Larry Theodore Nitz
Susan Lettie Rees
Nader Motamedi
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.)
Saturn Corp
Original Assignee
Saturn Corp
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 Saturn Corp filed Critical Saturn Corp
Publication of CA2081997A1 publication Critical patent/CA2081997A1/en
Application granted granted Critical
Publication of CA2081997C publication Critical patent/CA2081997C/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
    • F16H61/21—Providing engine brake 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
    • F16H61/02—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
    • 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
    • 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
    • B60W2050/0001—Details of the control system
    • B60W2050/0043—Signal treatments, identification of variables or parameters, parameter estimation or state estimation
    • B60W2050/0057—Frequency analysis, spectral techniques or transforms
    • 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
    • B60W2552/15—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
    • F16H2059/006—Overriding automatic 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
    • 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
    • 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
    • F16H2061/0075—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 a particular control method
    • F16H2061/0081—Fuzzy logic
    • 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
    • F16H2061/0237—Selecting ratios for providing engine braking
    • 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
    • F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
    • F16H59/54—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the brakes, e.g. parking brakes
    • 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
    • F16H59/74—Inputs being a function of engine parameters
    • 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
    • F16H61/14—Control of torque converter lock-up clutches
    • 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
    • F16H61/68—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 stepped gearings
    • F16H61/682—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 stepped gearings with interruption of drive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S477/00—Interrelated power delivery controls, including engine control
    • Y10S477/901—Control signal is slope
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S477/00—Interrelated power delivery controls, including engine control
    • Y10S477/904—Control signal is acceleration
    • Y10S477/905—Acceleration of throttle signal

Abstract

A shift pattern control for a multiple speed ratio transmission wherein an inference-based control overrides the normal shift pattern to automatically achieve manual pulldown operation under conditions for which such operation would be advised and expected.
The inference-based control is achieved with a fuzzy logic technique by which vehicle parameters influencing the desirability of manual pulldown operation are measured or estimated, and used to establish an aggregate measure of the overall need for engine braking and downshifting. In the preferred embodiment, the fuzzy logic parameters include vehicle speed, grade load, engine throttle position, time of braking and time of deceleration. The parameters are applied to membership functions to indicate the truthfulness of the specified conditions, and logical combinations of the truth indications are formed, weighted to reflect their criticality, and combined to form an aggregate measure of the overall need for pulldown operation.
CA002081997A 1992-03-02 1992-11-03 Inference-based manual pulldown control of an automatic transmission Expired - Fee Related CA2081997C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/844,055 1992-03-02
US07/844,055 US5289740A (en) 1992-03-02 1992-03-02 Inference-based manual pulldown control of an automatic transmission

Publications (2)

Publication Number Publication Date
CA2081997A1 true CA2081997A1 (en) 1993-09-03
CA2081997C CA2081997C (en) 1997-03-25

Family

ID=25291683

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002081997A Expired - Fee Related CA2081997C (en) 1992-03-02 1992-11-03 Inference-based manual pulldown control of an automatic transmission

Country Status (5)

Country Link
US (1) US5289740A (en)
EP (1) EP0559255B1 (en)
JP (1) JPH062763A (en)
CA (1) CA2081997C (en)
DE (1) DE69300135T2 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3013591B2 (en) * 1992-04-14 2000-02-28 日産自動車株式会社 Transmission control device for automatic transmission
JP3149628B2 (en) * 1993-06-11 2001-03-26 三菱自動車工業株式会社 Automatic transmission for vehicles
US5618243A (en) * 1993-07-20 1997-04-08 Mitsubisi Jidosha Kogyo Kabushiki Kaisha Speed change control method for an automotive automatic transmission
EP0638742A1 (en) * 1993-08-12 1995-02-15 Siemens Aktiengesellschaft Control system for vehicles, in particular for automatic transmissions
US5406862A (en) * 1993-11-02 1995-04-18 Eaton Corporation Method and apparatus for selecting a starting gear in an automated mechanical transmission
US5479345A (en) * 1993-11-02 1995-12-26 Eaton Corporation Method and apparatus for selecting shift points in an automated mechanical transmission
DE59509324D1 (en) * 1994-01-19 2001-07-12 Siemens Ag CONTROL FOR AN AUTOMATIC MOTOR VEHICLE TRANSMISSION
KR970035917A (en) * 1995-12-29 1997-07-22 전성원 Damper clutch purge control method
EP1105663B1 (en) * 1998-07-02 2002-04-10 Siemens Aktiengesellschaft Method and system for controlling the drive train of a motor vehicle
US6295498B1 (en) * 2000-05-22 2001-09-25 General Motors Corporation Dynamic load compensation method for an automatic transmission shift pattern
FR2848154B1 (en) * 2002-12-05 2005-11-11 Peugeot Citroen Automobiles Sa SYSTEM AND METHOD FOR CONTROLLING A GEAR BOX AND ELECTRONIC ANALYSIS MEANS IMPLEMENTED IN SAID SYSTEM
US6976569B2 (en) * 2003-04-04 2005-12-20 Visteon Global Technologies, Inc. Pulse width modulation of brake shift interlock solenoid
FR2873422B1 (en) * 2004-07-21 2007-09-28 Renault Sas METHOD FOR CONTROLLING REPORTING CHANGES IN COMMUNICATIONS OF PASSING LAWS OR VARIOGRAMS
FR2877416B1 (en) * 2004-10-29 2006-12-29 Renault Sas METHOD FOR CONTROLLING AN AUTOMATIC TRANSMISSION OF A MOTOR VEHICLE IN THE BRAKING PHASE
DE102005005140A1 (en) * 2005-02-04 2006-08-10 Daimlerchrysler Ag State variable e.g. poor visibility, estimated value determining method, for warning e.g. young driver, involves computing estimated value for state variable based on actual data value and fuzzy logic affiliation value of reference matrix
US8343010B2 (en) * 2009-03-27 2013-01-01 Zf Friedrichshafen Ag Shift to direct drive during coast conditions
US8618752B2 (en) 2010-07-21 2013-12-31 Superior Electron, Llc System, architecture, and method for minimizing power consumption and increasing performance in electric vehicles

Family Cites Families (12)

* 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
JP2681930B2 (en) * 1987-06-27 1997-11-26 株式会社デンソー Servo control device
JPH081243B2 (en) * 1988-02-12 1996-01-10 日産自動車株式会社 Automatic transmission control device
JPH01269748A (en) * 1988-04-22 1989-10-27 Nissan Motor Co Ltd Speed change control device of automatic transmission
JPH023738A (en) * 1988-06-17 1990-01-09 Honda Motor Co Ltd Controller for automatic transmission
US5036730A (en) * 1988-06-17 1991-08-06 Honda Giken Kogyo Kabushiki Kaisha Vehicle automatic transmission control system
DE68916208T2 (en) * 1988-11-18 1994-09-22 Honda Motor Co Ltd Control device for an automatic transmission for motor vehicles.
KR940009849B1 (en) * 1990-04-17 1994-10-18 미쓰비시덴키가부시키가이샤 Auto-transmission control device
JPH048964A (en) * 1990-04-27 1992-01-13 Honda Motor Co Ltd Control device of automatic transmission
US5241476A (en) * 1990-05-08 1993-08-31 Chrysler Corporation Acceleration prediction responsive adaptive upshift control
KR950002561B1 (en) * 1991-02-13 1995-03-23 미쯔비시 지도샤 고교 가부시끼가이샤 Gear shift control system of an automatic transmission
JPH0730601A (en) * 1993-06-24 1995-01-31 Canon Inc Data receiver

Also Published As

Publication number Publication date
DE69300135D1 (en) 1995-06-08
US5289740A (en) 1994-03-01
EP0559255B1 (en) 1995-05-03
JPH062763A (en) 1994-01-11
DE69300135T2 (en) 1995-09-07
CA2081997C (en) 1997-03-25
EP0559255A1 (en) 1993-09-08

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