A negative feedback system has a loop transfer function L(s) = K(s + 2) / s(s -
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L(s) = K(s + 2) / s(s - 1).
(a) Find the value of the gain when the ζ of the closed-loop roots is equal to 0.707.
(b) Find the value of the gain when the closed-loop system has two roots on the imaginary axis.
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a The closedloop system characteristic equation is or s 2 K 1s 2K 0 We h...View the full answer
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