METHOD OF CONTROLLING A HYBRID MOTOR VEHICLE DRIVE

The invention relates to a method for drive torque splitting in a hybrid motor vehicle having four drive wheels. The vehicle has a first drive train driven by a first electrical machine, and by a heat engine via a first coupling system; and a second drive train driven by a second electrical machine....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROCQ, Gaetan, MILHAU, Yohan
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 CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to a method for drive torque splitting in a hybrid motor vehicle having four drive wheels. The vehicle has a first drive train driven by a first electrical machine, and by a heat engine via a first coupling system; and a second drive train driven by a second electrical machine. The method comprises the following steps: (a) driving (100) the vehicle according to a first torque split between the first and second drive train; (b) anticipating (102) a need to change the state of operation and the state of coupling of the heat engine to the first drive train, which requires a second torque split between the first drive train and the second drive train; and (c) changing (108) from the first to the second torque split by modifying a torque set point output by the first electrical machine to the first axle, and the second electrical machine to the second axle.