METHOD FOR COUPLING AN ELECTRIC TRACTION MACHINE TO A HYBRID VEHICLE AND HYBRID VEHICLE FOR IMPLEMENTING SAID METHOD

The invention relates to a method for controlling a hybrid vehicle that comprises a traction chain with a propulsion unit (10) including a thermal engine (18) coupled to the vehicle wheels (14, 16) via a gearbox (22), an electric machine ME (40) that can be configured either as an electric motor for...

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Bibliographische Detailangaben
Hauptverfasser:	ROBART, NICOLAS, BESNARD, SEBASTIEN
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 ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MAGNETIC SUSPENSION OR LEVITATION 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 controlling a hybrid vehicle that comprises a traction chain with a propulsion unit (10) including a thermal engine (18) coupled to the vehicle wheels (14, 16) via a gearbox (22), an electric machine ME (40) that can be configured either as an electric motor for providing a traction torque to the vehicle or as a generator for supplying an electric current to an electric-energy storage means (50) via an electric network (52) of the vehicle, a coupling device (42) positioned between the electric machine and a driving shaft (48) coupled to the vehicle wheels (34, 36), and comprising a control input Ec so as to be switched either into a so-called coupling position providing a mechanical coupling between the electric machine (40) and the driving shaft (48), or into an uncoupling position interrupting the mechanical coupling between said electric machine and the driving shaft, at least one sensor (64, 66) supplying a value of a parameter (Vt, Dc) characteristic of the vehicle movement, and a vehicle control device (60). The coupling device (42) is controlled by the control device (60) for coupling the electric machine (40) to the driving shaft (48) when the value of the parameter characteristic of the vehicle movement exceeds a predetermined threshold (Vts, Des).