Patent ID: 7096098

Claim:
Traction chain for a series hybrid vehicle comprising: an engine ( 10 ) which drives an alternator ( 11 ); at least one electric traction motor ( 21 ) connected to the alternator by a rectifier ( 13 ), by an electric line ( 12 ) and a inverter ( 22 ), the inverter enabling the electric traction motor(s) to be operated at a torque set value CC set , and the electric line enabling the transfer of electric traction power; an accelerator (CA) available for use by the driver of the vehicle; an actuator ( 15 ) that acts on the engine; a controller ( 3 ) of the traction chain loaded with a model of the operation of the engine and loaded with a program which, from the position of the accelerator, makes it possible to obtain a pair (R th/set , PP set ) of set values for the revolution speed R th of the engine and for the position PP of the actuator ( 15 ), the said controller making it possible to: control the position of the said actuator on the basis of the said set value PP set for the position of the actuator, with calculation iterations, at each calculation iteration, calculate a torque set value CC set for the electric traction motor(s) as a function of the difference between the measured speed R th and the set value R th/set for the revolution speed of the engine in order to match said set value R th/set .