Question: Given the unity feedback system shown in Figure P8.3, where evaluate the pole sensitivity of the closed-loop system if the second-order, underdamped closed-loop poles are

Given the unity feedback system shown in Figure P8.3, where

K G(s) = s(s +1.25)(s+ 8)

evaluate the pole sensitivity of the closed-loop system if the second-order, underdamped closed-loop poles are set for
a. ζ = 0:591

b. ζ = 0:456

c. Which of the two previous cases has more desirable sensitivity?

K G(s) = s(s +1.25)(s+ 8)

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