E9 2 A system has the loop transfer function L(s) G(s)G(s) K(1 s 20) s(1 s 8)(1 s 10)' where K 4 Show that the system crossover fre quency is w 3 51 rad s and that the phase margin is P M 56 9

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E9 2 A system has the loop transfer function   L(s) G(s)G(s)   K(1 s 20) s(1 s 8)(1 s 10)' where K 4  Show that the system crossover fre  quency is w 3 51 rad s and that the phase margin is P M    56 9

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Question: E9.2 A system has the loop transfer function = L(s) G(s)G(s) = K(1+s/20) s(1+s/8)(1+s+10)' where K 4. Show that the system crossover fre- quency is

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