Consider a unity feedback system with the loop transfer function Gc(s)G(s) K s(s + 1)(5-
Chapter 0, Problem P9.21(choose chapter or problem)
Consider a unity feedback system with the loop transfer function Gc(s)G(s) K s(s + 1)(5- + 4)' (a) Sketch the Bode diagram for K = 4. Determine (b) the gain margin, (c) the value of K required to provide a gain margin equal to 12 dB, and (d) the value of K to yield a steady-state error of 25% of the magnitude A for the ramp input r{t) - At J > 0. Can this gain be utilized and achieve acceptable performance?
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