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 method comprising:
receiving a speed of a vehicle from a speed gauge of the vehicle;
receiving an acceleration level from an acceleration pedal of the vehicle;
setting limits of a maximum angular velocity and a maximum torque of an electrical motor according to a predetermined rule, wherein the predetermined rule is set according to the speed of the vehicle; and
providing, by the electric motor, an angular velocity and a torque to a transmission with a fixed gear ratio according to the acceleration level, the maximum angular velocity, the maximum torque, and the speed of the vehicle.
2 . The method of claim 1 , wherein the limits of the maximum angular velocity and the maximum torque simulate a plurality of gear ratios of a gearbox.
3 . The method of claim 1 , wherein the angular velocity and the torque generate a counter-driving power according to the acceleration level being a negative acceleration.
4 . The method of claim 3 , wherein the counter-driving power has a variable intensity that varies according to the speed and acceleration level.
5 . The method of claim 3 , wherein the counter-driving power:
is used for vehicle braking;
simulates downshifting; or
simulates engine braking caused by intrinsic friction of an internal combustion engine.
6 . The method of claim 1 , comprising:
receiving a clutch slip level; and
simulating, using the angular velocity and the torque, an engagement and a disengagement of a mechanical clutch according to the clutch slip level.
7 . The method of claim 1 , comprising reproducing a sound according to the angular velocity and the torque, wherein the sound corresponds to a real internal combustion engine in a same condition.
8 . The method of claim 1 , wherein the torque and the angular velocity are variable according to a continuously variable transmission.
9 . The method of claim 1 , comprising receiving a gear selection, wherein the torque and the angular velocity are determined according to the gear selection.
10 . The method of claim 9 , wherein the selecting is activated automatically.
11 . A vehicle comprising:
a speed gauge;
an acceleration pedal;
an electrical motor;
a transmission comprising a fixed gear ratio; and
and a microprocessor configured to:
receive a speed of the vehicle from the speed gauge;
receive an acceleration level from the acceleration pedal;
receive a predetermined rule;
set limits of a maximum angular velocity and a maximum torque of the electrical motor according to the predetermined rule, wherein the predetermined rule is set according to the speed of the vehicle; and
provide, by the electric motor, an angular velocity and a torque to the transmission according to the acceleration level, the maximum angular velocity, the maximum torque, and the speed.
12 . The vehicle of claim 11 , wherein the limits of the maximum angular velocity and the maximum torque simulate a plurality of gear ratios of a gearbox.
13 . The vehicle of claim 11 , wherein the angular velocity and the torque generate a counter-driving power according to the acceleration level being a negative acceleration.
14 . The vehicle of claim 13 , wherein the counter-driving power has a variable intensity that varies according to the speed and acceleration level.
15 . The vehicle of claim 13 , wherein the counter-driving power:
is used for vehicle braking;
simulates downshifting; or
simulates engine braking caused by intrinsic friction of an internal combustion engine.
16 . The vehicle of claim 11 , wherein the microprocessor is configured to:
receive a clutch slip level; and
simulate, using the angular velocity and the torque, an engagement and a disengagement of a mechanical clutch according to the clutch slip level.
17 . The vehicle of claim 11 , wherein the microprocessor is configured to:
reproduce a sound according to the angular velocity and the torque, wherein the sound corresponds to a real internal combustion engine in a same condition.
18 . The vehicle of claim 11 , wherein the torque and the angular velocity are variable according to a continuously variable transmission.
19 . The vehicle of claim 11 , wherein the microprocessor is configured to:
receive a gear selection, wherein the torque and the angular velocity are determined according to the gear selection.
20 . The vehicle of claim 19 , wherein the selecting is activated automatically.