Motor vehicle with simulator of performance of a mechanical gearbox
A vehicle having a motor with a transmission, provided with a fixed gear ratio, to a propelling unit includes a virtual gearbox including a microprocessor, operatively interfaced with the motor and programmed to manage and check the generation of motor driving torque, limiting, at the motor output, a maximum angular velocity and a maximum torque which are variable with a predetermined law.
1. A vehicle comprising:
an electric motor;
a propelling unit;
a transmission with a fixed gear ratio connecting the electric motor to the propelling unit; and
a virtual gearbox comprising a microprocessor, operatively interfaced with the electric motor and programmed to:
manage and check generation of a motor driving torque; and
limit, at an output of the electric motor, a maximum angular velocity and a maximum torque of the electric motor, wherein the maximum angular velocity and the maximum torque are variable with a predetermined law in accordance with a speed of the vehicle and a virtual gear of the vehicle, wherein the virtual gear simulates multiple gear ratios of a mechanical gearbox, programmable as desired by a user.
2. The vehicle according to claim 1 , wherein the maximum torque and the maximum angular velocity are variable while keeping a power from the electric motor constant.
3. The vehicle according to claim 1 , wherein the microprocessor is configured to manage operating parameters of the electric motor relating to generating a counter-driving power.
4. The vehicle according to claim 3 , wherein the counter-driving power has a variable intensity that varies according to a current state of the virtual gearbox.
5. The vehicle according to claim 3 , wherein the counter-driving power is used for vehicle braking.
6. The vehicle according to claim 3 , wherein the counter-driving power simulates downshifting.
7. The vehicle according to claim 3 , wherein the counter-driving power simulates engine braking caused by intrinsic friction of an internal combustion engine.
8. The vehicle according to claim 1 , wherein parameters associated with the motor driving torque are managed by the microprocessor according to preset virtual operating conditions so as to simulate a law of progression during acceleration of a real vehicle having the mechanical gearbox with multiple gear ratios.
9. The vehicle according to claim 1 , wherein the microprocessor manages operating parameters of the electric motor relating to simulating an engagement and a disengagement of a mechanical clutch.
10. The vehicle according to claim 1 , further comprising a sound reproducing system configured to reproduce harmonized sounds depending on instantaneous conditions of the electric motor that correspond to a sound spectrum of a real internal combustion engine in a same condition.
11. The vehicle according to claim 1 , wherein the maximum torque and the maximum angular velocity are variable according to separate gear ratios.
12. The vehicle according to claim 1 , wherein the maximum torque and the maximum angular velocity are variable according to a continuously modulatable gear ratio.
13. The vehicle according to claim 1 , wherein the propelling unit includes wheels configured to move the vehicle.
14. The vehicle according to claim 1 , further comprising a selecting system configured to select a virtual gearbox ratio of the maximum torque and the maximum angular velocity as an input of the transmission.
15. The vehicle according to claim 14 , wherein the selecting system is configured to be activated by an automatic command.
16. The vehicle according to claim 14 , wherein the selecting system is configured to be activated with a deliberate command by a vehicle driver.