Problem Statement
In armature-controlled DC motors, the applied voltage Va controls the angular velocity w of the shaft.
This example shows two DC motor control techniques for reducing the sensitivity of w to load variations (changes in the torque opposed by the motor load).
A simplified model of the DC motor is shown above. The torque Td models load disturbances. You must minimize the speed variations induced by such disturbances.
For this example, the physical constants are:
R = 2.0; % Ohms
L = 0.5; % Henrys
Km = 0.1; % torque constant
Kb = 0.1; % back
最后
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