Question: A closed-loop transfer function is given by (a) Obtain the response of the closed-loop transfer function T(s) = Y(s)/R(s) to a unit step input. What

A closed-loop transfer function is given by

(a) Obtain the response of the closed-loop transfer function T(s) = Y(s)/R(s) to a unit step input. What is the settling time Ts (use a 2% criterion) and percent overshoot P.O.?
(b) Neglecting the real pole at s = -7, determine the settling time Ts and percent overshoot P.O.. Compare the results with the actual system response in part (a). What conclusions can be made regarding neglecting the pole?

Y(s) 77(s 2) 1 (s) = R(s)= (s+ 7)(2 + 4s + 22)

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