METHOD FOR CONTROLLING A HYBRID DRIVETRAIN OF A HYBRID MOTOR VEHICLE

A method for controlling a hybrid drivetrain (1) of a hybrid motor vehicle, wherein the hybrid drivetrain (1) has a dual clutch transmission (2) with two partial transmissions (3, 4), the transmission input shafts (5, 6) of which are each couplable in terms of drive action by means of a respective f...

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Bibliographische Detailangaben
Hauptverfasser:	YU, Yang, PROST, Jacques, KNÖPFLE, Phillipp, HOFFMEISTER, Thomas
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 BLASTING CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A method for controlling a hybrid drivetrain (1) of a hybrid motor vehicle, wherein the hybrid drivetrain (1) has a dual clutch transmission (2) with two partial transmissions (3, 4), the transmission input shafts (5, 6) of which are each couplable in terms of drive action by means of a respective friction clutch (7, 8) to a first drive unit (9), wherein one of the two transmission input shafts (5, 6) is coupled or couplable in terms of drive action to a second drive unit (10), characterized in that, during a synchronization process for the preparation for a gear ratio change, in the event of a malfunction of the second drive unit (10), the friction clutch (7, 8) which is assigned to that partial transmission (3, 4) of which the transmission input shaft (5, 6) is coupled or couplable in terms of drive action to the second drive unit (10) is at least briefly brought into a state of slip, such that the partial transmission (3, 4) and the second drive unit (10) are adjusted by means of the first drive unit (9) to a synchronization rotational speed.