Determine the gain k so that the phase margin is 60 degrees


Problem: Stability in the Frequency Domain

Consider a closed-loop system that has the loop transfer function L(s) = Gc(s)G(s) = Ke-TS / s

1. Determine the gain K so that the phase margin is 60 degrees when T = 0.2.
2. Plot the phase margin versus the time delay T for K as in part (a).

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