Answered: Draw a Nyquist plot for the…

Draw a Nyquist plot for the unity-feedback control system with the open-loop transfer function 1 G(s) = s(S-2) Using Nyquist stability criterion, determine the stability of the closed-loop system.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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Question

Draw a Nyquist plot for the unity-feedback control system with the open-loop transfer function
1
=
G(s)
s(S-2)
Using Nyquist stability criterion, determine the stability of the closed-loop system.

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Step 1: Introduction

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Step 2: Nyquist stability criterion

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Step 3: Nyquist plot

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Step 4: Stability determination

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