Question: AP9.5 A unity feedback control system given by L(s) = G(s)H(s)= Se-sT s(s+3)(s+4) Determine the (a) phase margin for T = 0 and (b) limiting

AP9.5 A unity feedback control system given by

L(s) = G(s)H(s)= Se-sT s(s+3)(s+4) Determine the (a) phase margin for T

L(s) = G(s)H(s)= Se-sT s(s+3)(s+4) Determine the (a) phase margin for T = 0 and (b) limiting value of T for stability.

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