METHOD FOR CONTROLLING A POWERTRAIN UNIT FOR A MOTOR VEHICLE WITH HYBRID ELECTRICAL TRANSMISSION

Method for controlling a powertrain unit for a motor vehicle comprising an internal combustion engine (2), a main electrical machine (3) and an auxiliary electrical machine (4) connected to the internal combustion engine, the method comprising, in a series hybrid transmission mode where the main mac...

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Bibliographische Detailangaben
1. Verfasser:	MERIENNE, Ludovic
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 ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES 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:	Method for controlling a powertrain unit for a motor vehicle comprising an internal combustion engine (2), a main electrical machine (3) and an auxiliary electrical machine (4) connected to the internal combustion engine, the method comprising, in a series hybrid transmission mode where the main machine alone generates mechanical power for the wheels and where the internal combustion engine drives the auxiliary electrical machine functioning as a generator in order to produce charging power, steps of - controlling the engine speed at a set value, where the engine is torque-controlled on the basis of a torque value to be applied to the auxiliary machine, - detecting a situation in which the torque control of the auxiliary machine is saturated, and, - in the event of saturation, correcting the torque requested from the internal combustion engine such that the engine speed returns to its set value.