Question: A closed-loop system has a loop transfer function (a) Determine the gain K so that the phase margin is 60°. (b) For the gain K

A closed-loop system has a loop transfer function
A closed-loop system has a loop transfer function (a) Determine the

(a) Determine the gain K so that the phase margin is 60°.
(b) For the gain K selected in part (a), determine the gain margin of the system.

LS) GAS)G)s 12) sts + 8)(s+

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