Engineering, 02.12.2021 03:10 pleasehelpme666

A control system with unity feedback has the transfer function: G(s) = k/((s + 1)(S2 + 2s + 2))
a. Evaluate the error signal when the input r(t) = 10 + 6t + e−5t is applied.
b. Find the value of the error (in terms of K) at t = 3 sec.
c. Find the minimum value of steady state error that can be achieved by varying the value of K for a unit step input.

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A control system with unity feedback has the transfer function: G(s) = k/((s + 1)(S2 + 2s + 2))