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Control system

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Q2: For the control system shown in fig-2, a) Find the values of K and Kh such that the closed loop system is critically damped and has an undamped frequency 2rad/sec. What are the poles of the system. b) Find the values of K and Kh so that the maximum overshoot ios 0.2 and the peak time is 1sec. What are the poles of the system c) Find the conditions on K and Kh so that the system is stable. d) What is the system type? What is the steady state error for unit step input and for ramp input Fig-2