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Unformatted text preview: transfer function is c c D G (s) K (1 s) = + . If Kc=10, determine the range of D for which the system is stable. Problem 3 : Consider the general closed-loop block diagram with c c G (s) K = , f G (s) 1 = , m G (s) 1 (s 1) = + and 3 p G (s) 1 (s 1) = + . a) Determine the value of Kc above which the system is unstable b) Determine the value of Kc for which two of the roots are on the imaginary axis and determine the values of these imaginary roots....
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- Spring '09