Question: A feedback control system with a PI (proportional+integral) controller is shown in the Figure. (a) Evaluate the Controller parameters (K and K;) so that

A feedback control system with a PI (proportional+integral) controller is shown in the Figure. (a) Evaluate the Controller parameters (K and K;) so that its step response will have percentage of overshoot of 5% and the steady state error with unit ramp input is 0.2. (b) Compute the steady state error of the system with step input? (c) Analyze what will happen to its step response if a PD (proportional+derivative) controller is used, instead of PI controller? Noted that PD controller has the form of: Kp + Kas. R(s) Controller Kp+ K s Process 1 s+1 Y(s)

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