What is the ideal loop gain?

00:18:42 | 27 MAR 2021
In this lecture, we will learn:
  • Stability constrains and performance optimization imply that an optimized loop gain T(s) looks like a single integrator.
  • Minor deviations can improve performance, but major deviations imply instability or major gain/bandwidth sacrifices.
  • An extra pole at 3 – 10 times crossover frequency helps protect from unmodeled dynamics and noise.

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