WO2012059177A1 - Procédé pour le pilotage de l'hydraulique de marche d'un engin - Google Patents

Procédé pour le pilotage de l'hydraulique de marche d'un engin Download PDF

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Publication number
WO2012059177A1
WO2012059177A1 PCT/EP2011/005216 EP2011005216W WO2012059177A1 WO 2012059177 A1 WO2012059177 A1 WO 2012059177A1 EP 2011005216 W EP2011005216 W EP 2011005216W WO 2012059177 A1 WO2012059177 A1 WO 2012059177A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydrostatic
speed
hydraulics
ratio
driving
Prior art date
Application number
PCT/EP2011/005216
Other languages
German (de)
English (en)
Inventor
Norman Brix
Tobias Mueller
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2012059177A1 publication Critical patent/WO2012059177A1/fr

Links

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
    • B60W10/10—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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
    • 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
    • B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
    • B60W30/1882—Controlling power parameters of the driveline, e.g. determining the required power characterised by the working point of the engine, e.g. by using engine output chart
    • 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
    • B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
    • B60W30/1886—Controlling power supply to auxiliary devices
    • 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
    • F16H61/462—Automatic regulation in accordance with output requirements for achieving a target speed 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
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/475—Automatic regulation in accordance with output requirements for achieving a target power, e.g. input power or output power
    • 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
    • B60W2510/30—Auxiliary equipments
    • B60W2510/305—Power absorbed by auxiliaries
    • 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/06—Combustion engines, Gas turbines
    • B60W2710/0644—Engine 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/06—Combustion engines, Gas turbines
    • B60W2710/0677—Engine power
    • 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/10—Change speed gearings
    • B60W2710/1061—Output power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/40—Special vehicles
    • B60Y2200/41—Construction vehicles, e.g. graders, excavators
    • B60Y2200/415—Wheel loaders

Definitions

  • the present invention relates to a method for driving the drive hydraulics of a work machine.
  • the invention is in the field of mobile working machines, in particular skid steers (so-called skid steer loaders), in which a hydrostatic drive (driving hydraulics) and a working hydraulics are driven by a drive machine, usually an internal combustion engine.
  • the drive hydraulics comprise a hydrostatic two-circuit drive, i. Two hydrostatic circuits (right / left) for the driving function.
  • a hydraulic transmission is usually provided with one driven by the drive motor hydraulic pump and an associated hydraulic motor for each page.
  • the driver via a selector lever or a pedal, the speed of the drive machine, hereinafter referred to as the diesel engine speed, set as the operating point.
  • the selector lever or the gas pedal the driver sets a constant diesel speed and then moves the vehicle via joysticks, which control the two hydrostatic circuits.
  • the control of the setpoint speed of the engine by an accelerator pedal is described, for example, in DE 101 34 789 C2.
  • a disadvantage of this direct setting is a poor efficiency.
  • the invention is based on the one hand on the measure of adapting the operating point of the drive machine to the instantaneous power requirement in the case of working machines with a dual-circuit drive hydraulics. This can be done, for example, by determining a maximum speed for the prime mover that satisfies all performance requirements. The implementation of such a basic function is also profitable for small machines.
  • the drive hydraulics operated so that the traction drive speed remains substantially constant even with changed engine speed. This is preferably done by adjusting the transmission ratio between the hydraulic pump and the hydraulic motor of the drive hydraulics.
  • the appropriate control of the drive machine for example.
  • the diesel engine leads to a reduction in fuel consumption. Furthermore, this results in a reduction of the total noise level, since the drive machine with low requirement only with a low speed is operated. This leads to a cost reduction and an increase in operating comfort, since in particular the speed selector lever can be omitted and the operating costs are reduced due to the improved consumption.
  • the use of a drive suitable for use only becomes possible in practice together with the speed compensation function, since work machines which themselves change the speed during driving would not be accepted, even in view of the advantages mentioned, since the workflow would be strongly adversely affected.
  • the suitable control of the drive machine (for example of the diesel engine) can be achieved, in particular, via characteristic maps which can be easily parameterized with the actual control of the components, such as, for example, Accelerator pedal, joystick, etc., are coupled.
  • characteristic maps which can be easily parameterized with the actual control of the components, such as, for example, Accelerator pedal, joystick, etc., are coupled.
  • all speed requirements of the individual characteristic maps are advantageously connected to one another via a maximum selection.
  • a particularly easy-to-use adaptation of the transmission ratio between the hydraulic pump and the hydraulic motor of the drive hydraulics is obtained by adjusting the delivery volume of the hydraulic pump and / or the absorption volume of the hydraulic motor.
  • the adaptation can be further simplified if either only the displacement volume or only the delivery volume is changed.
  • An arithmetic unit according to the invention e.g. a control device of a working machine is, in particular programmatically, configured to perform a method according to the invention.
  • Suitable data carriers for providing the computer program are, in particular, floppy disks, hard disks, flash memories, EEPROMs, CD-ROMs, DVDs and the like. It is also possible to download a program via computer networks (Internet, intranet, etc.).
  • FIG 1 shows schematically a working machine, as the present invention
  • Figure 2 shows a preferred way to specify an operating point of the prime mover.
  • FIG. 3 shows a preferred relationship between the intake volume and delivery volume for specifying a desired transmission ratio.
  • FIG. 1 shows a mobile working machine 1 in which a first hydrostatic transmission 3 and a second hydrostatic transmission 3 'of a driving hydraulics are driven by means of a drive machine, which is designed as a diesel internal combustion engine 2 in the illustrated embodiment.
  • the hydrostatic transmissions 3 and 3 ' are constructed substantially the same, so that in the following only the first hydrostatic transmission 3 will be explained in more detail. However, all that has been said applies equally to the second hydrostatic transmission 3 ', whose elements are provided with primed reference numerals.
  • the hydrostatic transmission 3 comprises an adjustable hydraulic pump 5 and an adjustable hydraulic motor 6.
  • the hydraulic pump 5 and the hydraulic motor 6 are connected to each other via a first working line 7 and a second working line 8 in a closed hydraulic circuit.
  • a drive torque is generated on a drive shaft 4.
  • the diesel engine 2 is connected to the hydraulic pump 5 via the drive shaft 4 and a transfer case 30, so that the hydraulic pump 5 is driven by the torque generated by the diesel engine 2.
  • pressure medium is conveyed into the first working line 7 or into the second working line 8 by the hydraulic pump.
  • an output torque is generated in the closed hydraulic circuit as a function of the set intake volume of the hydraulic motor 6.
  • the output torque is transmitted from the hydraulic motor 6 via an output shaft 9 and an optionally provided driving gear 31, for example, to a driven wheel 10.
  • the mobile work machine has at least one working hydraulics (not shown), in which a further hydraulic pump driven by the diesel engine 2 is used to supply at least one hydraulic cylinder and / or hydraulic motor.
  • a further hydraulic pump driven by the diesel engine 2 is used to supply at least one hydraulic cylinder and / or hydraulic motor.
  • the working hydraulics can, for example, a blade and the like. include.
  • a pump adjustment device 14 or a motor adjustment device 15 is provided to adjust the delivery volume of the hydraulic pump 5 and the absorption volume of the hydraulic motor 6.
  • the pump adjusting device 14 and the motor adjusting device 15 each cooperate with an adjusting mechanism of the hydraulic pump 5 and the hydraulic motor 6.
  • both the hydraulic pump 5 and the hydraulic motor 6 are carried out starting from a neutral position adjustable in both directions.
  • the hydraulic pump 5 and the hydraulic motor 6 are preferably axial piston machines in swash plate design.
  • an injection pump 13 is given a delivery rate by a control unit 16, which is set up for the implementation of a method according to the invention programmatically.
  • a corresponding signal is transmitted via a bus line 17 from the control unit 16 to the injection pump 13.
  • the adjustment of the operating point is preferably based on a selection of a maximum speed value, as will be explained later with reference to Figure 2.
  • the setting of the hydrostatic transmission 3 is also carried out by the control unit 16. Accordingly, corresponding control signals are transmitted by the control unit 16 of the pump adjusting device 14 and the engine adjusting device 15. Particularly preferably, the pump adjusting device 14 and the motor adjusting device 15 are designed electroproportionally. In a manner not shown adjusting pressures are generated by control valves, for example, act on an adjusting piston, which cooperates with the respective adjusting mechanism.
  • the setting of the hydrostatic transmission 3 causes the speed of the drive shaft 4 is converted into a corresponding speed of the second drive shaft 9 or in the further course of the wheel 10.
  • One or more input devices for example an accelerator pedal or joystick 11, via which a control signal is generated by an operator of the working machine serve to operate the working hydraulics and to predefine the direction of travel and the travel speed.
  • the joystick 1 1 is connected to the control unit 13 via the bus 17.
  • a preferred demand-driven activation of the diesel internal combustion engine 2 will be described below.
  • the control takes place via different user preferences 201 to 208, which may include, for example, “forward”, “backward”, “left”, “right”, “lift”, “lower”, “tipping” and “dumping”.
  • Each of these user specifications is assigned a required minimum speed via maps 211-218 which are easy to parameterize.
  • all speed requirements of the individual maps are connected via a maximum selection 220, ie the necessary speed 7 DSo // is the maximum of all requested minimum speeds.
  • the driving speed can be kept constant with a variation of the diesel speed n D.
  • n D is due to the demand-driven control during operation of the working hydraulics during the Driving, for example, by lifting, lowering and / or tilting the blade of a skid steer loader.
  • the driving speed request of the operator is interpreted as the output speed desired n Ab at the wheel 10, so that now gives the task to keep this output speed n Ab , with changing diesel speeds n D constant.
  • the output speed n Ab results from the output speed n M of the hydraulic motor 6 via a possibly existing drive gear 31 with a translation i GFT to:
  • nU n Ah - i GFT 0
  • Vg max p ' maximum delivery volume of the hydraulic pump
  • a M swing angle of the hydraulic motor; Volume fraction of [0 ... 1]
  • a desired output rotational speed can be set as a function of the diesel rotational speed via the swivel angle of the hydrostatic drives.
  • a follow-up adjustment is to be understood here as meaning that first, with the maximum displacement of the hydraulic motor, the hydraulic pump is raised from zero to full delivery volume and then the hydraulic motor is reduced from the maximum absorption volume.
  • the basic course of a follow-up adjustment is shown in FIG. In Figure 3, the normalized to 100% or 1 swing angle (ie volume components) a P and a M are plotted on the ordinate against the transmission ratio r Hyd of the hydrostatic transmission on the abscissa.
  • a ratio threshold which is defined by the ratio V g max P IV g max M between the maximum delivery volume V g max P of the hydrostatic pump (5) and the maximum displacement V g max M of the hydrostatic motor (6), is denoted by r 0 .
  • the swivel angle a P is 301
  • the swivel angle a M is designated 302.
  • the delivery volume of the hydrostatic pump 5 is set between 0% and 100%, while the displacement of the hydrostatic motor 6 is set to 100%.
  • the displacement of the hydrostatic motor 6 is set between 100% and 0% while the delivery volume of the hydrostatic pump 5 is set at 100%. This provides a way to set a desired gear ratio, which is particularly easy to implement.
  • the invention provides a driving method for mobile dual-circuit machines, with which the consumption can be reduced while still maintaining full functionality.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

L'invention porte sur un procédé pour piloter l'hydraulique de marche d'un engin qui comprend une machine motrice, une hydraulique de travail entraînée par la machine motrice et une hydraulique de marche qui est entraînée par la machine motrice et qui comprend un système hydrostatique à deux circuits, un point de travail de la machine motrice étant réglé en fonction d'une demande d'effet utile d'au moins l'hydraulique de travail, et, pendant un régime marche et travail, le système réagissant à une modification du point de travail de la machine motrice qui est provoquée par une modification de la demande d'effet utile de l'hydraulique de travail en modifiant le rapport de transmission d'un mécanisme de transmission hydrostatique du système hydrostatique à deux circuits, pour éviter une variation de la vitesse de marche.
PCT/EP2011/005216 2010-11-04 2011-10-18 Procédé pour le pilotage de l'hydraulique de marche d'un engin WO2012059177A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102010050475.0 2010-11-04
DE102010050475 2010-11-04
DE102010052065.9 2010-11-19
DE102010052065A DE102010052065A1 (de) 2010-11-04 2010-11-19 Verfahren zum Ansteuern der Fahrhydraulik einer Arbeitsmaschine

Publications (1)

Publication Number Publication Date
WO2012059177A1 true WO2012059177A1 (fr) 2012-05-10

Family

ID=45971174

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/005216 WO2012059177A1 (fr) 2010-11-04 2011-10-18 Procédé pour le pilotage de l'hydraulique de marche d'un engin

Country Status (2)

Country Link
DE (1) DE102010052065A1 (fr)
WO (1) WO2012059177A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10633826B2 (en) 2016-12-22 2020-04-28 Cnh Industrial America Llc System and method for control of a work vehicle

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012221943A1 (de) * 2012-11-30 2014-06-05 Zf Friedrichshafen Ag Vorrichtung, Verfahren und Computerprogramm zur Einstellung eines hydrostatischen Antriebs, Antrieb und Bau- oder Landmaschine
DE102012221944A1 (de) * 2012-11-30 2014-06-05 Zf Friedrichshafen Ag Vorrichtung, Verfahren und Computerprogramm zur Anpassung eines Steuerdrucks, Antrieb und Bau- oder Landmaschine
BR112015014713B1 (pt) * 2012-12-20 2021-10-13 Cnh Industrial America Llc Método e sistema para reduzir o consumo de combustível de um veículo de trabalho
DE102016205891A1 (de) 2016-04-08 2017-10-12 Robert Bosch Gmbh Hydrostatischer Fahrantrieb und Fahrzeug mit einem solchen hydrostatischen Fahrantrieb
DE102021212329A1 (de) * 2021-11-02 2023-05-04 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Regelung eines hydraulischen Antriebs eines Fahrzeugs, Steuereinheit, Computerprogramm und maschinenlesbares Speichermedium

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2221518A (en) * 1988-09-07 1990-02-07 Secr Defence Engine transmission control system
EP0967107A1 (fr) * 1998-06-25 1999-12-29 Steyr-Daimler-Puch Aktiengesellschaft Procédé pour controller un ensemble de propulsion de véhicule comprenant une transmission à variation continue
DE10134789C2 (de) 2001-06-15 2003-08-28 Kaessbohrer Gelaendefahrzeug Fahrantrieb für ein Kettenfahrzeug
EP1754643A1 (fr) 2005-08-17 2007-02-21 Brueninghaus Hydromatik Gmbh Procédé de commande d'une chaîne cinématique d'entrainement et unité de commande électronique
DE102008025683A1 (de) * 2007-12-28 2009-07-02 Robert Bosch Gmbh Verfahren zur Ansteuerung eines Fahrantriebs
DE102007062888A1 (de) * 2007-12-28 2009-07-02 Robert Bosch Gmbh Verfahren zum Steuern eines hydrostatischen Antriebs

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2221518A (en) * 1988-09-07 1990-02-07 Secr Defence Engine transmission control system
EP0967107A1 (fr) * 1998-06-25 1999-12-29 Steyr-Daimler-Puch Aktiengesellschaft Procédé pour controller un ensemble de propulsion de véhicule comprenant une transmission à variation continue
DE10134789C2 (de) 2001-06-15 2003-08-28 Kaessbohrer Gelaendefahrzeug Fahrantrieb für ein Kettenfahrzeug
EP1754643A1 (fr) 2005-08-17 2007-02-21 Brueninghaus Hydromatik Gmbh Procédé de commande d'une chaîne cinématique d'entrainement et unité de commande électronique
DE102008025683A1 (de) * 2007-12-28 2009-07-02 Robert Bosch Gmbh Verfahren zur Ansteuerung eines Fahrantriebs
DE102007062888A1 (de) * 2007-12-28 2009-07-02 Robert Bosch Gmbh Verfahren zum Steuern eines hydrostatischen Antriebs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10633826B2 (en) 2016-12-22 2020-04-28 Cnh Industrial America Llc System and method for control of a work vehicle
US11053665B2 (en) 2016-12-22 2021-07-06 Cnh Industrial America Llc System and method for control of a work vehicle

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