DC Motor = speed is proportional to the voltage
Servo control = control based on a very slow (msec) feedback, usually about 5Hz.
=> Problem when the regulator 'hunt' for the 'ideal' voltage, and keeps varying the voltage.
Servo control = control based on a very slow (msec) feedback, usually about 5Hz.
=> Problem when the regulator 'hunt' for the 'ideal' voltage, and keeps varying the voltage.