A unity feedback system has the open loop transfer function shown below. Find the imaginary axis crossing of the root locus s= ±jw Enter the value of a to two decimal places. Do not enter ±j K s(s²+4s+8) HG (s) =

A unity feedback system has the open loop transfer function shown below. Find the imaginary axis crossing of the root locus s= ±jw Enter the value of a to two decimal places. Do not enter ±j K s(s²+4s+8) HG (s) =

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

Linear Feedback Systems

ASAP

A unity feedback system has the open loop transfer function shown below.
Find the imaginary axis crossing of the root locus s= ±jw
Enter the value of a to two decimal places. Do not enter ±j
K
s(s² + 4s+8)
HG(s):
=

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Step 1: Determine the imaginary axis crossing of the root locus:

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Step 2: Find characterstic equation:

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Step 3: Find value of w:

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