Question: Consider the closed-loop system in Figure E6.26, values of k is the system stable? Where G(s) = 10/s - 10 and Gc(s) = 1/2s +

Consider the closed-loop system in Figure E6.26, values of k is the system stable? Where
G(s) = 10/s - 10 and Gc(s) = 1/2s + K.
(a) Determine the characteristic equation associated with the closed-loop system.
(b) Determine the values of K for which the closed-loop system is stable.
Figure E6.26
Closed-loop feedback control system with parameter K.

Tjts) 10 2s + K -10 Ris) Yis) Nis) TAs) Controller Process 10 s-10 Y(s) Ms)

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