Question: A unity feedback system has the loop transfer function where T is a time delay and K is the controller proportional gain. The block diagram

A unity feedback system has the loop transfer function

where T is a time delay and K is the controller proportional gain. The block diagram is illustrated in Figure P10.35. The nominal value of K =2. Plot the phase margin of the system for 0

Ks 0.54 Ts L(s) = Ge(s)G(s) = s(s + 1.76) .

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