Method and device for assisting a speed-control function on a motor vehicle

The invention relates to a method and device for operating a motor vehicle with a speed and/or distance control device ( 141 ) the same as with an automatic transmission ( 131 ) in which, departing from an actual driving speed (C), a preset nominal driving speed (D) is autonomously regulated and in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SPORL PETER, IDEN OLIVER
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL CALCULATING COMPUTING CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES COUNTING ELECTRIC DIGITAL DATA PROCESSING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS PHYSICS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to a method and device for operating a motor vehicle with a speed and/or distance control device ( 141 ) the same as with an automatic transmission ( 131 ) in which, departing from an actual driving speed (C), a preset nominal driving speed (D) is autonomously regulated and in which the adaptation of the actual driving speed (C) to the nominal driving speed (D) is controlled by a ratio change of the automatic transmission ( 131 ). The ratio change control is effected on the basis of a virtual accelerator pedal value (J, J', J'') derived from the real deviation of the accelerator pedal 915) by the driver, the definition of the virtual accelerator pedal value (J, J', J'') being controlled by the divergence of the driving speed (C) from the nominal driving speed (D), by the vehicle longitudinal acceleration (E) and/or by the torque (B) of the vehicle prime mover.