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QUESTION 10 Assume G(s) р Consider again the block diagram in Figure Q6. 85 1 and C(s) =K, +Ky S +50 s If K = 82.00, what is the minimum value of Ko such that the closed-loop poles are real? Hint: In order to answer this question you should first find the characteristic equation. Note that in the particular case in which k, =0 you should obtain s2 +508 +85K =0 If necessary, round your answer to 2 decimal places.
Consider the block diagram of a control system in Figure Q6, where r is the reference signal, y is the controlled output, d is a load disturbance and e is the tracking error. d у C(s) GS 10 Figure Q6 and c(s) = 10, i.e. the controller is a proportional gain equal to 10. Assume G(s) = 100