A unity feedback system has a loop transfer function L(s) = K / (s + l)(s +

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A unity feedback system has a loop transfer function
L(s) = K / (s + l)(s + 3)(s + 6),
where K = 20. Find the roots of the closed-loop system's characteristic equation.

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Modern Control Systems

ISBN: 978-0136024583

12th edition

Authors: Richard C. Dorf, Robert H. Bishop

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Question Posted: Mar 29, 2016 05:21 AM

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A unity feedback system has a loop transfer function L(s) = K / (s + l)(s +

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Modern Control Systems

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