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Published on 17 Feb 2013 | over 3 years ago

I'm writing a book on the fundamentals of control theory!
Get the book-in-progress with any contribution for my work on Patreon - www.patreon.com/briandouglas

This is the second part of how to sketch a root locus by hand. However instead of following the normal rules for sketching a locus that you'd see in a book, I decided to explain the rules how I use them, and how knowledge of the shape of a root locus can help you design a compensator.

If you have annotations turned off you might miss the link to the Matlab video, you can find it here though: youtu.be/pG3_b7wuweQ

You can check out the math behind these rules from this online book. If you Google for it you can read the book for free through Google Books. Control System Principles and Design by Ernest O. Doebelin -- Starting at Page 305

Of course if you're looking for more of a classroom style lecture than you really can't go wrong with Prof. Madan Gopal at nptelhrd. www.youtube.com/watch

Also, Ewald Erasmus made a great video on finding the gain k from a point on the root locus: youtu.be/ZYY8IcCFg34

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If you have any questions on it leave them in the comment section below or on Twitter and I'll try my best to answer them.

I will be loading a new video each week and welcome suggestions for new topics. Please leave a comment or question below and I will do my best to address it. Thanks for watching!

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