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Q1 (A): Sketch the Nyquist plot of the unity feedback system that shown in figure (1). Is the close loop system stable? Find the Gain Margin (GM). 120 R(s) C(s) G(s) = G(s) s(s+2)(s+3) Figure (1) Q1 (B): For G(s) = 10(s² +15 s+56) s3-2s²+s-2 Find LG(jw) for w= = [0.1 1 10 100 1000] "

Q1 (A): Sketch the Nyquist plot of the unity feedback system that shown in figure (1). Is the close loop system stable? Find the Gain Margin (GM). 120 R(s) C(s) G(s) = G(s) s(s+2)(s+3) Figure (1) Q1 (B): For G(s) = 10(s² +15 s+56) s3-2s²+s-2 Find LG(jw) for w= = [0.1 1 10 100 1000] "

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Q1 (A): Sketch the Nyquist plot of the unity feedback system that shown in figure (1). Is the close loop system stable? Find the Gain Margin (GM). R(s) C(s) G(s) = = 120 s(s+2)(s+3) G(s) Figure (1) 10(s² +15 s+56) Q1 (B): For G(s) = = Find ZG (jw) for w = [0.1 1 10 100 1000] " s3-2s²+s-2
Transcribed Image Text:Q1 (A): Sketch the Nyquist plot of the unity feedback system that shown in figure (1). Is the close loop system stable? Find the Gain Margin (GM). R(s) C(s) G(s) = = 120 s(s+2)(s+3) G(s) Figure (1) 10(s² +15 s+56) Q1 (B): For G(s) = = Find ZG (jw) for w = [0.1 1 10 100 1000] " s3-2s²+s-2
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