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
Links
- 230000009347 mechanical transmission Effects 0.000 title 1
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
- 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
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- 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
-
- 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
- B60W10/11—Stepped gearings
- B60W10/111—Stepped gearings with separate change-speed gear trains arranged in series
-
- 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
-
- 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
- F16H61/70—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 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
- F16H61/702—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 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
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine 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
- F16H61/02—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
- F16H61/0248—Control units where shifting is directly initiated by the driver, e.g. semi-automatic transmissions
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19251—Control mechanism
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19251—Control mechanism
- Y10T74/19256—Automatic
- Y10T74/1926—Speed 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)
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)
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)
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 |
-
1996
- 1996-08-28 GB GBGB9617956.9A patent/GB9617956D0/en active Pending
-
1997
- 1997-08-20 DE DE69712431T patent/DE69712431T2/de not_active Expired - Fee Related
- 1997-08-20 ES ES97306364T patent/ES2174188T3/es not_active Expired - Lifetime
- 1997-08-20 EP EP97306364A patent/EP0834681B1/en not_active Expired - Lifetime
- 1997-08-22 US US08/916,510 patent/US5873281A/en not_active Expired - Fee Related
- 1997-08-25 ZA ZA9707620A patent/ZA977620B/xx unknown
- 1997-08-26 JP JP9229148A patent/JPH1089458A/ja not_active Withdrawn
- 1997-08-26 BR BR9702785A patent/BR9702785A/pt not_active IP Right Cessation
- 1997-08-28 TR TR97/00866A patent/TR199700866A2/xx unknown
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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