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A root locus for a unity-feedback system is shown in Fig.Q6. Find: i. G(s)H(s) ii.The minimum damping ratio iii.The gain K correspond to = 0.9 iv.The dominant poles correspond to = 1 v.The gain K so that the system is unstable.

A root locus for a unity-feedback system is shown in Fig.Q6. Find: i. G(s)H(s) ii.The minimum damping ratio iii.The gain K correspond to = 0.9 iv.The dominant poles correspond to = 1 v.The gain K so that the system is unstable.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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A root locus for a unity-feedback system is shown in Fig.Q6. Find: i. G(s)H(s) ii. The minimum damping ratio iii.The gain K correspond to 0.9 iv.The dominant poles correspond to = 1 v.The gain K so that the system is unstable. Imaginary Axis (seconds ¹) 15 12 9 6 <? -9 0.955 -12 -15 0.9 0.988. 30 0.988 -35 0.955 0.9. -30 25 -25 0,82 20 0.72. 0.58 10 0:4 0:2 0.82- 0.72 0.58 -20 -15 -10 Real Axis (seconds¹) 0:4 0.2 -5 Fig.Q6 0 2
Transcribed Image Text:A root locus for a unity-feedback system is shown in Fig.Q6. Find: i. G(s)H(s) ii. The minimum damping ratio iii.The gain K correspond to 0.9 iv.The dominant poles correspond to = 1 v.The gain K so that the system is unstable. Imaginary Axis (seconds ¹) 15 12 9 6 <? -9 0.955 -12 -15 0.9 0.988. 30 0.988 -35 0.955 0.9. -30 25 -25 0,82 20 0.72. 0.58 10 0:4 0:2 0.82- 0.72 0.58 -20 -15 -10 Real Axis (seconds¹) 0:4 0.2 -5 Fig.Q6 0 2
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