O Design a ladder logic program that can replace the low-current control circuit of the modified circuit in a) above. L1 L2 L3 Stop وله M S HH M >= M HH Start M 11 OL OL OL Figure 1 (M) Low-current control circuit T1 T2 OL T3 Three- phase motor High-current power circuit

23. In a DC servo motor system, the tachometer feeds back a voltage that's proportional to motor speed. Where does this voltage go to? A. The driver B. The interpolator card C. The axis logic card D. The CPU in the main controller xis logic card for a stepper motor system and are used to

Explain the fundamental differences between open-loop and closed-loop control systems. Provide examples of each and discuss the advantages and limitations of both approaches.

Q2:A common actuator in control systems is the DC motor, determine the transfer function of the armature-controlled DC motor system described below. Represent the transfer function in terms of the input voltage (V) and the output angular velocity 0. Where T = Ki and e = Kė. Suter winding Angk Bearings R Bruss Armature P circuit Rotor Fixed field