Nyquist 13 - applying the Nyquist stability criteria

Gives a number of numerical examples. Shows how the stability criteria can be used to infer closed-loop stability from open-loop Nyquist diagrams. Focus is on systems without integrators.
Lectures aimed at engineering undergraduates. Presentation focuses on understanding key prinicples, processes and problem solving rather than mathematical rigour.

[@kisamatttcg9397]

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[@sudhanshusingh6146]

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[@pas2222cal]

Amazing work :D

[@andrewskyworker]

you are great teacher

[@volkerblock]

fun with example4 and freemat
w=logspace(-1,3);
n=15/(((w*i+1).*(w*i+1)).*(w*i+1));
axis([-5 15 -10 2])
hold on
plot(n)
grid
;

[@zhouzhou-hk7ft]

At 7:10 you found that omega = root 3 while you plug in 3 into s later. Can you pls explain me that?