Question: Consider the unity feedback system shown in Figure P9.1, where a. Design a PI controller to drive the ramp response error to zero for any

Consider the unity feedback system shown in Figure P9.1, where

K G(s) = s(s +3)(s+ 6)

a. Design a PI controller to drive the ramp response error to zero for any K that yields stability.

b. Use MATLAB to simulate your design for K = 1. Show both the input ramp and the output response on the same plot.

K G(s) = s(s +3)(s+ 6)

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