a) The performance of a system is used to compare with many systems on the same basis. One of them i

a) The performance of a system is used to compare with many systems on the same basis. One of them is the time response of a contol system. With an aid of a figure, explain the characteristics of transient response to a unit-step input for a second order system (5 marks) b) A servo system shown in Figure Q2(a) is subjected to a unit-step input. The system output respond is shown in Figure Q2(b). Determine the values of gain K and velocity feedback constant K from the response curve. With these value of K and Kn, obtain the rise time and settling time. Assume that J 1 kg-m2 and B 0.5 N-m/rad/sec. (15 marks) R(s) C(s) K Js +B K, Figure Q2(a) 0.254 3 Figure Q2(b)

 

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