ep42 - inControl guide to ... the Nyquist criterion

ep42 - inControl guide to ... the Nyquist criterion

March 16, 2026 · 1h 10m · Season 4 · Episode 4

About this episode

This episode provides a comprehensive guide to the Nyquist criterion and its implications in control theory.

Outline 00:00 – Intro 04:43 – Life and background 08:45 – Bell Labs 13:42 – Inventing the negative feedback amplifier 18:15 – Nyquist's landmark contributions 20:43 – Regeneration theory 27:10 – Frequency response 32:03 – Cauchy’s argument principle 36:05 – The Nyquist criterion 41:37 – Why is it so hard? 45:27 – Robustness, margins, and practical aspects 56:41 – Beyond the Nyquist criterion 1:04:25 – Pitfalls and common misunderstandings 1:07:00 – Outro Links Brian Douglas's video: http://y2...

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