Throttle Command to Torque Command

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MATLAB_Soldier
MATLAB_Soldier on 26 Sep 2022
Answered: Sam Chak on 26 Sep 2022
Hello Everyone,
I am setting up a longitudinal motorcycle model using the mapped engine available in the Powertrain Blockset. The engine maps that I have are in the form of X: RPM, Y:Throttle_Positition_% & Z:Torque.
The Mapped Engine block in Simulink requires Torque_commands instead of Throttle_Position.
How can I convert my Throttle_position based engine maps to Torque command based?
Many thanks.

Answers (1)

Sam Chak
Sam Chak on 26 Sep 2022
Can you possibly find out the formula or relationship between the Throttle_position and the Torque_command?
If you don't have that, then try:
kp = 1; % Proportional Gain
Torque_command = - kp*Throttle_position;
The Proportional Gain should be a positive value that you can mathematically calculate it (if you understand the physics) or tune it according to some objectives (if you don't know what value to put in).

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