Question: E9.22 A unity feedback system has a loop transfer function K L(s) = Gc(s)G(s) = (s + 2) (a) Using a Bode plot for K

E9.22 A unity feedback system has a loop transfer function

K L(s) = Gc(s)G(s) = (s + 2) (a) Using a Bode

K L(s) = Gc(s)G(s) = (s + 2) (a) Using a Bode plot for K = 40, determine the system phase margin. (b) Select a gain K so that the phase margin is P.M. = 55.

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