Feedback control system

Plant, Controller, and Sensor

System function

H(s)=C(s)P(s)1+C(s)P(s)Q(s)H(s) = \frac{C(s)P(s)}{1 + C(s)P(s)Q(s)}

Block diagram







FeedbackControlSystem



Input
X



Adder

+



Input->Adder





Output
Y



Controller

C



Adder->Controller


R




Controller->InvisControllerPlant





Plant

P



InvisControllerPlant->Plant





Sensor

Q



InvisSplitSensor->Sensor





InvisSensorAdder->Adder

-



Sensor->InvisSensorAdder





Split




Plant->Split





Split->Output





Split->InvisSplitSensor

Stability test

TODO

Applications

TODO: exclusive to feedback control. don't put something for LTI in general

Common discrepancies

TODO

Reference(s)

  • M. D. Adams, Signals and Systems, 3rd ed. The University of Victoria, Victoria, British Columbia, Canada, 2020.