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Consider a closed loop system that has the loop transfer function L(s)=Gc(s)G(s) = K*e^-sT / s.)Determine the gain K so that the phase margin is 60...

Consider a closed loop system that has the loop transfer function L(s)=Gc(s)G(s) = K*e^-sT / s.


a.)Determine the gain K so that the phase margin is 60 degrees when T = 0.2

b.)Plot the phase margin versus the time delay T for K as in part a.)


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