Question: A unity feedback system has a loop transfer function L1s2 = G1s2G1s2 = K . (a) Obtain the Bode plot. (b) Find the gain margin

A unity feedback system has a loop transfer function L1s2 = G1s2G1s2 = K . (a) Obtain the Bode plot. (b) Find the gain margin and the phase margin. c Determine the range of K for which the system is sta- K L1s2 = G 1s2G1s2 = , ble using the Nyquist plo

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