ZA977620B - Downshift control method/system for vehicular automated mechanical transmission. - Google Patents

Downshift control method/system for vehicular automated mechanical transmission.

Info

Publication number
ZA977620B
ZA977620B ZA9707620A ZA977620A ZA977620B ZA 977620 B ZA977620 B ZA 977620B ZA 9707620 A ZA9707620 A ZA 9707620A ZA 977620 A ZA977620 A ZA 977620A ZA 977620 B ZA977620 B ZA 977620B
Authority
ZA
South Africa
Prior art keywords
control method
mechanical transmission
downshift control
automated mechanical
vehicular automated
Prior art date
Application number
ZA9707620A
Other languages
English (en)
Inventor
Anthony Stasik
Michael Douglas Whitehead
Original Assignee
Eaton 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 Eaton Corp filed Critical Eaton Corp
Publication of ZA977620B publication Critical patent/ZA977620B/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/11Stepped gearings
    • B60W10/111Stepped gearings with separate change-speed gear trains arranged in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W30/00Purposes 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
    • B60W30/18Propelling the vehicle
    • B60W30/19Improvement of gear change, e.g. by synchronisation or smoothing gear shift
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/70Control 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 change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
    • F16H61/702Control 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 change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements using electric or electrohydraulic control means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2510/00Input parameters relating to a particular sub-units
    • B60W2510/06Combustion engines, Gas turbines
    • B60W2510/0638Engine speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/02Control 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
    • F16H61/0202Control 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
    • F16H61/0248Control units where shifting is directly initiated by the driver, e.g. semi-automatic transmissions
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/19Gearing
    • Y10T74/19219Interchangeably locked
    • Y10T74/19251Control mechanism
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/19Gearing
    • Y10T74/19219Interchangeably locked
    • Y10T74/19251Control mechanism
    • Y10T74/19256Automatic
    • Y10T74/1926Speed responsive

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Transmission Device (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
ZA9707620A 1996-08-28 1997-08-25 Downshift control method/system for vehicular automated mechanical transmission. ZA977620B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9617956.9A GB9617956D0 (en) 1996-08-28 1996-08-28 Downshift control method/system for vehicular automated mechanical transmission

Publications (1)

Publication Number Publication Date
ZA977620B true ZA977620B (en) 1998-02-23

Family

ID=10799049

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9707620A ZA977620B (en) 1996-08-28 1997-08-25 Downshift control method/system for vehicular automated mechanical transmission.

Country Status (9)

Country Link
US (1) US5873281A (xx)
EP (1) EP0834681B1 (xx)
JP (1) JPH1089458A (xx)
BR (1) BR9702785A (xx)
DE (1) DE69712431T2 (xx)
ES (1) ES2174188T3 (xx)
GB (1) GB9617956D0 (xx)
TR (1) TR199700866A2 (xx)
ZA (1) ZA977620B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6223592B1 (en) * 1998-11-13 2001-05-01 Eaton Corporation Independent control of transmission-side and engine-side retarding devices during ratio changes
US6259984B1 (en) * 1999-05-11 2001-07-10 Denso Corporation Automatic transmission control with object-oriented program
US6278927B1 (en) * 2000-05-22 2001-08-21 General Motors Corporation Transfer case ratio diagnostic method for a motor vehicle powertrain
JP4400409B2 (ja) * 2004-10-12 2010-01-20 日産自動車株式会社 エンジンの制御装置
JP4274100B2 (ja) 2004-10-12 2009-06-03 日産自動車株式会社 エンジンの制御装置
JP4434136B2 (ja) * 2005-12-14 2010-03-17 トヨタ自動車株式会社 自動変速機の異常判定装置
US7608012B2 (en) * 2006-04-25 2009-10-27 Gm Global Technology Operations, Inc. Resolving a non-commanded neutral state in a clutch-to-clutch transmission
US9399466B2 (en) * 2014-10-13 2016-07-26 Zf Friedrichshafen Ag Method for operating an automatic transmission
JP6658943B1 (ja) * 2019-04-10 2020-03-04 トヨタ自動車株式会社 車両の制御装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361060A (en) * 1978-01-24 1982-11-30 Smyth Robert Ralston Mechanical automatic transmission
GB2066919A (en) * 1979-12-22 1981-07-15 Automotive Prod Co Ltd Clutch control apparatus
GB8418749D0 (en) * 1984-07-23 1984-08-30 Eaton Ltd Semi-automatic transmission control
US4722248A (en) * 1986-04-11 1988-02-02 Eaton Corporation Transmission shift control system
US4852006A (en) * 1988-04-18 1989-07-25 Eaton Corporation Amt off-highway downshift logic
GB9001273D0 (en) * 1990-01-19 1990-03-21 Eaton Corp Control and method for controlling amt system including in-gear fault detection & tolerance
US5444623A (en) * 1991-07-26 1995-08-22 Eaton Corporation Reengagement control/method for mechanical transmission system with automatic shift implementation
US5323669A (en) * 1992-10-29 1994-06-28 Eaton Corporation Fault tolerant method of transmission gear selection
US5261288A (en) * 1992-12-18 1993-11-16 Eaton Corporation Enhanced missed shift from neutral recovery for automated or semi-automated mechanical transmission system
US5409432A (en) * 1993-08-10 1995-04-25 Eaton Corporation Control system/method for engine brake assisted shifting
US5413012A (en) * 1993-09-07 1995-05-09 Eaton Corporation Variable synchronous window
US5406861A (en) * 1993-09-22 1995-04-18 Eaton Corporation Manual modification of automatic mode shift points
US5441463A (en) * 1993-10-28 1995-08-15 Eaton Corporation Selected speed ratio not-engaged range section recovery by shifting to a non-selected speed ratio and if permitted, shifting to the selected speed ratio
US5441464A (en) * 1994-02-14 1995-08-15 Eaton Corporation Non-power downshift throttle recovery
GB9412805D0 (en) * 1994-06-25 1994-08-17 Eaton Corp Engagement fault degraded mode control
US5636120A (en) * 1994-07-15 1997-06-03 Caterpillar Inc. Direct drive autoshift transmission control
US5498195A (en) * 1994-11-10 1996-03-12 Cummins Electronics Company, Inc. Apparatus and method for verifying gear engagement in controlling the automatic shifting of a manual-automatic transmission
US5609548A (en) * 1995-06-07 1997-03-11 Cummins Engine Company, Inc. Apparatus and method for commanding a gear after an aborted shift attempt in controlling a manual-automatic transmission

Also Published As

Publication number Publication date
TR199700866A3 (tr) 1998-03-21
EP0834681A3 (en) 1998-07-22
JPH1089458A (ja) 1998-04-07
DE69712431D1 (de) 2002-06-13
GB9617956D0 (en) 1996-10-09
ES2174188T3 (es) 2002-11-01
TR199700866A2 (xx) 1998-03-21
BR9702785A (pt) 1998-12-29
DE69712431T2 (de) 2003-01-09
EP0834681B1 (en) 2002-05-08
US5873281A (en) 1999-02-23
EP0834681A2 (en) 1998-04-08

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