Locus

Designing a root-locus compensator to attain design requirements

Designing a root-locus compensator to attain design requirements
  1. How controller is designed using the root locus technique?
  2. How to design lead lag compensator?

How controller is designed using the root locus technique?

Root locus design is a common control system design technique in which you edit the compensator gain, poles, and zeros in the root locus diagram. The root locus technique consists of plotting the closed-loop pole trajectories in the complex plane as k varies.

How to design lead lag compensator?

This type of compensator is designed by determining a from the amount of phase needed to satisfy the phase margin requirements, and determing T to place the added phase at the new gain-crossover frequency. Another effect of the lead compensator can be seen in the magnitude plot.

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