E9 1 A system has the open loop transfer function L(s) G(s)G(s) 3(1 5s) s(4 s)(1 2s 2s2) Obtain the Bode plot Show that the phase margin is P M 20 1 and that the gain margin is G M 6 61 dB

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E9 1 A system has the open loop transfer function L(s)   G(s)G(s)   3(1 5s) s(4 s)(1 2s 2s2) Obtain the Bode plot  Show that the phase margin is P M    20 1 and that the gain margin is G M  6 61 dB

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Question: E9.1 A system has the open-loop transfer function L(s) = G(s)G(s) = 3(1+5s) s(4+s)(1+2s+2s2) Obtain the Bode plot. Show that the phase margin is P.M.

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