WO2006027045A1 - Verfahren zum schutz von fahrzeuggetrieben, insbesondere von hydrostatisch-mechanischen leistungsverzweigungsgetrieben vor überbelastung - Google Patents
Verfahren zum schutz von fahrzeuggetrieben, insbesondere von hydrostatisch-mechanischen leistungsverzweigungsgetrieben vor überbelastung Download PDFInfo
- Publication number
- WO2006027045A1 WO2006027045A1 PCT/EP2005/007891 EP2005007891W WO2006027045A1 WO 2006027045 A1 WO2006027045 A1 WO 2006027045A1 EP 2005007891 W EP2005007891 W EP 2005007891W WO 2006027045 A1 WO2006027045 A1 WO 2006027045A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transmission
- hydrostatic
- transmissions
- protecting vehicle
- gearboxes
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 48
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 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
- 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
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
- B60W50/038—Limiting the input power, torque or speed
-
- 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
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/101—Infinitely variable gearings
- B60W10/103—Infinitely variable gearings of fluid type
-
- 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
- B60W30/184—Preventing damage resulting from overload or excessive wear of the driveline
- B60W30/1846—Preventing of breakage of drive line components, e.g. parts of the gearing
-
- 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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/46—Automatic regulation in accordance with output requirements
- F16H61/478—Automatic regulation in accordance with output requirements for preventing overload, e.g. high pressure limitation
-
- 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
- B60W2050/0002—Automatic control, details of type of controller or control system architecture
- B60W2050/0004—In digital systems, e.g. discrete-time systems involving sampling
- B60W2050/0006—Digital architecture hierarchy
-
- 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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/46—Automatic regulation in accordance with output requirements
Definitions
- the present invention relates to a method for the protection of vehicle transmissions, in particular of hydrostatic-mechanical power-diversion transmissions from overloading, according to the preamble of patent claim 1.
- agricultural utility vehicles comprise hydrostatic-mechanical power split transmissions which consist of a continuously variable hydrostatic transmission with a volume-adjustable and a volume-constant unit, a summation transmission and a range transmission with a plurality of shiftable gears.
- hydrostatic-mechanical power split transmissions consist of a continuously variable hydrostatic transmission with a volume-adjustable and a volume-constant unit, a summation transmission and a range transmission with a plurality of shiftable gears.
- the engine power dissipated via the PTO shaft can also be detected directly via a torque measurement in the PTO shaft train.
- a torque control for the drive train of a motor vehicle is known from DE 696 17 887 T2, in which the rotational speed of the output shaft is detected and compared as a control parameter with a reference value corresponding to a high torque load on the drive train, the output torque of Motor is limited to a value lying below the maximum value when the detected value of the control parameter indicates the occurrence of conditions of a high torque load in Antriebs ⁇ strand. Also in this method, a sensor is required to detect the output speed.
- the object of the present invention is to provide a method for protecting vehicle transmissions, in particular hydrostatic-mechanical power-split transmissions, from overloading, which avoids the disadvantages of the prior art mentioned.
- the method according to the invention should not require any sensors and should detect the power available to the transmission or drive train as accurately as possible.
- a method for the protection of vehicle transmissions is proposed vor ⁇ , in the context of which the load of the transmission is calculated by the transmission controller and the engine power is limited based on the calculated by the transmission controller load, if damage to the transmission is to be expected or if the transmission load exceeds a threshold.
- the load is calculated by the transmission controller via the hydrostatic pressures.
- the engine power can be limited by a higher-level controller, for example the vehicle / engine / transmission / controller.
- the transmission load is monitored so that when the load calculation yields a value that is below a threshold value, the engine power is increased or fully released.
- the engine power can be infinitely limited or adjusted as a function of the load calculation. This means that increased engine power is always released when the load on the transmission is not harmful.
- the decision logic can be integrated into other control devices, such as, for example, the transmission controller.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Control Of Transmission Device (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05762367A EP1789297A1 (de) | 2004-09-08 | 2005-07-20 | Verfahren zum schutz von fahrzeuggetrieben, insbesondere von hydrostatisch-mechanischen leistungsverzweigungsgetrieben vor überbelastung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004043346.1 | 2004-09-08 | ||
DE102004043346A DE102004043346A1 (de) | 2004-09-08 | 2004-09-08 | Verfahren zum Schutz von Fahrzeuggetrieben, insbesondere von hydrostatisch-mechanischen Leistungsverzweigungsgetrieben vor Überlastung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006027045A1 true WO2006027045A1 (de) | 2006-03-16 |
Family
ID=34972827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/007891 WO2006027045A1 (de) | 2004-09-08 | 2005-07-20 | Verfahren zum schutz von fahrzeuggetrieben, insbesondere von hydrostatisch-mechanischen leistungsverzweigungsgetrieben vor überbelastung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1789297A1 (de) |
DE (1) | DE102004043346A1 (de) |
WO (1) | WO2006027045A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7957469B2 (en) | 2003-08-20 | 2011-06-07 | Thomson Licensing | Video comfort noise addition technique |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019214101A1 (de) * | 2019-09-17 | 2021-03-18 | Zf Friedrichshafen Ag | Verfahren zum Verhindern einer Überlastung des Variators eines CVT-Getriebes |
US12017633B2 (en) * | 2021-03-24 | 2024-06-25 | Deere & Company | Intelligent power allocation systems onboard hybrid combines and associated methods |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3035152A1 (de) * | 1979-11-23 | 1981-05-27 | Linde Ag, 6200 Wiesbaden | Antriebsaggregat aus einer brennkraftmaschine nd einem stufenlos einstellbaren, vorzugsweise hydrostatischen getriebe |
DE9314512U1 (de) * | 1993-09-24 | 1993-11-11 | Siemens AG, 80333 München | Sicherheitseinrichtung an einem Kraftfahrzeug mit einem automatischen Getriebe |
DE19645699A1 (de) * | 1996-11-06 | 1998-05-07 | Schloemann Siemag Ag | Hydrostatisches Getriebe |
DE69617887T2 (de) | 1995-11-17 | 2002-04-25 | Eaton Corp., Cleveland | Drehmomentregelung für Antriebsstrang |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE428720C (sv) * | 1977-07-08 | 1984-10-29 | Kockums Ind Ab | Sett att styra en borbrenningsmotor med effektreglage for reglering av motorns varvtal och en hydrostatisk transmission med variabelt utvexlingsforhallande |
DE3321636A1 (de) * | 1982-06-29 | 1983-12-29 | Linde Ag, 6200 Wiesbaden | Regelverfahren fuer ein antriebsaggregat |
JPH03182647A (ja) * | 1989-12-12 | 1991-08-08 | Toyota Motor Corp | 自動変速機付車両の動力制御装置 |
-
2004
- 2004-09-08 DE DE102004043346A patent/DE102004043346A1/de not_active Withdrawn
-
2005
- 2005-07-20 WO PCT/EP2005/007891 patent/WO2006027045A1/de not_active Application Discontinuation
- 2005-07-20 EP EP05762367A patent/EP1789297A1/de not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3035152A1 (de) * | 1979-11-23 | 1981-05-27 | Linde Ag, 6200 Wiesbaden | Antriebsaggregat aus einer brennkraftmaschine nd einem stufenlos einstellbaren, vorzugsweise hydrostatischen getriebe |
DE9314512U1 (de) * | 1993-09-24 | 1993-11-11 | Siemens AG, 80333 München | Sicherheitseinrichtung an einem Kraftfahrzeug mit einem automatischen Getriebe |
DE69617887T2 (de) | 1995-11-17 | 2002-04-25 | Eaton Corp., Cleveland | Drehmomentregelung für Antriebsstrang |
DE19645699A1 (de) * | 1996-11-06 | 1998-05-07 | Schloemann Siemag Ag | Hydrostatisches Getriebe |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7957469B2 (en) | 2003-08-20 | 2011-06-07 | Thomson Licensing | Video comfort noise addition technique |
Also Published As
Publication number | Publication date |
---|---|
DE102004043346A1 (de) | 2006-03-09 |
EP1789297A1 (de) | 2007-05-30 |
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