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A Unity feedback system has an open loop transfer function of G(s) = K / s (s+1)...

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Electrical Engineering

A Unity feedback system has an open loop transfer functionof

G(s) = K / s (s+1) (s+5)

Draw the root locus plot and determine the value of K to give adamping ratio of 0.3 A network having a transfer function of 10(1+10s) /(1 +100s) is now introduced in tandem. Find the new value ofK, which gives the same damping ratio for the closed -loopresponse. Compare the velocity error constant and settling time ofthe original and the compensated systems

Answer & Explanation Solved by verified expert
4.3 Ratings (521 Votes)
The plot of the rootlocus and the zeta line on the samegraphs is drawn as below in matlab for accuracyby zooming in at the intersection part of the plots we get asbelowHence we get from the above plots the value of K is705The poles are 034 11 j 034 11 jfor the    See Answer
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