Q5: Given the forward -path transfer function of a unity feedback control systems, K(s + 10)(s+ 20) s²(s + 2) G;(s) = K G2(s) = s (s + 10)(s+20) K(s + 4)(s+ 20) s3 (s + 100)(s + 500) G3(s) = a) Determine the values of K that will cause sustained constant amplitude oscillations in the system. b) Determine the frequency of oscillation.

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Q5: Given the forward -path transfer function of a unity feedback control systems,
K(s + 10)(s+ 20)
s²(s + 2)
G;(s) =
K
G2(s) =
s (s + 10)(s+20)
K(s + 4)(s+ 20)
s3 (s + 100)(s + 500)
G3(s) =
a) Determine the values of K that will cause sustained constant amplitude
oscillations in the system.
b) Determine the frequency of oscillation.
Transcribed Image Text:Q5: Given the forward -path transfer function of a unity feedback control systems, K(s + 10)(s+ 20) s²(s + 2) G;(s) = K G2(s) = s (s + 10)(s+20) K(s + 4)(s+ 20) s3 (s + 100)(s + 500) G3(s) = a) Determine the values of K that will cause sustained constant amplitude oscillations in the system. b) Determine the frequency of oscillation.
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