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€7.27 Consider the unity feedback system in Figure E7.27. Sketch the root locus as 0 s p< ∞. €7.28. Consider the feedback system in Figure E7.28. Obtain the negative gain root locus as -0 < K< 0. For what values of Kis the system stable? Controller Process E(s) 10 R(s) K Y(s) s + 25 Sensor 1 FIGURE E7.25 Nonunity feedback system with parameter K. Controller Process E(s) s + 10 4 R(s) Y(s) s + p FIGURE E7.27 Unity feedback system with parameter p.

€7.27 Consider the unity feedback system in Figure E7.27. Sketch the root locus as 0 s p< ∞. €7.28. Consider the feedback system in Figure E7.28. Obtain the negative gain root locus as -0 < K< 0. For what values of Kis the system stable? Controller Process E(s) 10 R(s) K Y(s) s + 25 Sensor 1 FIGURE E7.25 Nonunity feedback system with parameter K. Controller Process E(s) s + 10 4 R(s) Y(s) s + p FIGURE E7.27 Unity feedback system with parameter p.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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E7.27 Consider the unity feedback system in Figure E7.27. Sketch the root locus as 0 s p< ∞. E7.28. Consider the feedback system in Figure E7.28. Obtain the negative gain root locus as -∞ < K< 0. For what values of Kis the system stable? Controller Process E(s) 10 R(s) K Y(s) s + 25 Sensor 1 FIGURE E7.25 Nonunity feedback system with parameter K. Controller Process E(s) s + 10 4 R(s) Y(s) s + p FIGURE E7.27 Unity feedback system with parameter p.
Transcribed Image Text:E7.27 Consider the unity feedback system in Figure E7.27. Sketch the root locus as 0 s p< ∞. E7.28. Consider the feedback system in Figure E7.28. Obtain the negative gain root locus as -∞ < K< 0. For what values of Kis the system stable? Controller Process E(s) 10 R(s) K Y(s) s + 25 Sensor 1 FIGURE E7.25 Nonunity feedback system with parameter K. Controller Process E(s) s + 10 4 R(s) Y(s) s + p FIGURE E7.27 Unity feedback system with parameter p.
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