Question: A closed-loop system has the loop transfer function (a) Determine the gain K so that the phase margin is 60° when T - 0.2. (b)

A closed-loop system has the loop transfer function
A closed-loop system has the loop transfer function (a) Determine the

(a) Determine the gain K so that the phase margin is 60° when T - 0.2. (b) Plot the phase margin versus the time delay T for K as in part (a).

L(s) G,(s)G(s)-KC Ke-Ts

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