Nyquist Stability Criterion, Part 2

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An explanation of the Nyquist Stability Criterion part 2. This video steps through the how to sketch a Nyquist plot by hand, what to do if there are open loop pools on the imaginary axis, and goes through a example showing the benefit of Nyquist over Bode plots.

Errata:

Links:
Check out nyqlog.m from the mathworks website.
http://www.mathworks.com/matlabcentral/fileexchange/7444-nyquist-plot-with-logarithmic-amplitudes/content/nyqlog.m

Professor Gopal explaining how to do a rough sketch of the Nyquist plot: Starts at 17:15.
http://www.youtube.com/watch?v=Rbvau5oXOkg

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