A unity feedback system has the loop transfer function (a) Determine the phase margin of the system
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(a) Determine the phase margin of the system when K = 0.16. (b) Use the phase margin to estimate £ and predict the overshoot, (c) Calculate the actual response for this second-order system, and compare the result with the part (b) estimate.
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L(s) = Gc(s)G(s) = s(s + 0.2)
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