I have so much problem in draw nyquist diagram. here is some problem(adsbygoogle = window.adsbygoogle || []).push({});

1-as the book mentioned the open- transfer function doesn't have any pole and zero in right of S plane. and give me the uncompleted diagram

so i completed it as you see , but my answer is different form the book !!!! what is my wrong?

http://obrazki.elektroda.pl/4218832200_1356680764.jpg

and other question:

2-here is uncompleted diagrams

http://obrazki.elektroda.pl/1262166500_1356681552.jpg

i completed and solved with this view

but one of the answers is wrong .... now what is my problem?!!!!

how can i find the best videos references about nyquist in Linear Control System ?

Thanks

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# Nyquist Diagram in Linear Control System

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