초록 ▼

A series hybrid vehicle comprising an engine driving an alternator, the engine having a power available at the output shaft of the engine, at least one electric traction motor connected to the alternator by an electric line and an inverter, the inverter allowing the electric traction motor to be ope

A series hybrid vehicle comprising an engine driving an alternator, the engine having a power available at the output shaft of the engine, at least one electric traction motor connected to the alternator by an electric line and an inverter, the inverter allowing the electric traction motor to be operated at a desired torque, the electric line allowing the transfer of an electric traction power, an accelerator control CA at the disposal of the vehicle driver, an actuator acting on the engine, a control device controlling the position of the actuator as a function of the position of the accelerator control, as far as a limitation at least when the desired torque reaches the maximum torque of the electric traction motor, a unit for controlling the propulsion torque of the vehicle, allowing the desired torque to be continuously calculated, in accordance with a chosen sampling period, as a function of the vehicle speed and as a function of a control power P evaluating the power available at the output shaft of the engine as a function of the actual speed of the engine.

대표청구항 ▼

A series hybrid vehicle comprising an engine driving an alternator, the engine having a power available at the output shaft of the engine, at least one electric traction motor connected to the alternator by an electric line and an inverter, the inverter allowing the electric traction motor to be ope

A series hybrid vehicle comprising an engine driving an alternator, the engine having a power available at the output shaft of the engine, at least one electric traction motor connected to the alternator by an electric line and an inverter, the inverter allowing the electric traction motor to be operated at a desired torque, the electric line allowing the transfer of an electric traction power, an accelerator control CA at the disposal of the vehicle driver, an actuator acting on the engine, a control device controlling the position of the actuator as a function of the position of the accelerator control, as far as a limitation at least when the desired torque reaches the maximum torque of the electric traction motor, a unit for controlling the propulsion torque of the vehicle, allowing the desired torque to be continuously calculated, in accordance with a chosen sampling period, as a function of the vehicle speed and as a function of a control power P evaluating the power available at the output shaft of the engine as a function of the actual speed of the engine. e via a braking control unit, the braking control unit being activated when the accelerator control CA is below a predetermined threshold, so as to order the control unit to send a desired braking torque C to the electric motor and so as to put the actuator PP into an idling position. 7. A drivetrain according to claim 6, in which the predetermined threshold of the accelerator control CA is proportional to the vehicle speed. 8. A drivetrain according to claim 6, in which the electrical energy absorption device comprises a means for storing the electrical energy. 9. A drivetrain according to claim 8, in which the control device tends first of all to empty the electrical energy storing means in the event of a demand for acceleration of the vehicle indicated by the accelerator control CA, before acting on the actuator PP. 10. A drivetrain according to claim 1, in which the control device for controlling the actuator PP continuously calculates, at each iteration, a limit position as follows: Throttle position limit=Max. throttle position-k*(Pthd-Pa-Pt). 11. A drivetrain according to claim 1, in which the unit for controlling the propulsion torque of the vehicle calculates the desired torque in accordance with a chosen sampling period.