Feedforward & Feedback Controller Performance Assessment

  • Biao Huang
  • Sirish L. Shah
Part of the Advances in Industrial Control book series (AIC)

Abstract

Minimum variance feedback control is the best possible feedback control in the sense that no other controllers can give lower process variance. If a process indicates a good performance measure relative to minimum variance control, further tuning of the existing feedback controller is neither useful nor helpful. If further reduction of process variance is required, then one may have to implement feedforward control.

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Copyright information

© Springer-Verlag London 1999

Authors and Affiliations

  • Biao Huang
    • 1
  • Sirish L. Shah
    • 1
  1. 1.Department of Chemical and Materials EngineeringUniversity of AlbertaEdmontonCanada

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