Self-tuning PI controller

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Abstract

A self-tuning algorithm comprising the steps of identification and tuning is proposed. The methodology of process parameters identification is based on the measurement of the locus of a perturbed relay system (LPRS) points from a single or multiple asymmetric relay feedback tests. An algorithm of identification of the first order plus dead time process model is developed in details. Also, a tuning algorithm using the criterion of minimal settling time subject to the overshoot constraints is developed and presented in the form of simple formulas for the first-order plus dead time process model. Examples of simulations and application are given.

Original languageBritish English
Title of host publication5th IFAC Symposium on Power Plants and Power Systems Control, PPS 2006
Pages29-34
Number of pages6
EditionPART 1
DOIs
StatePublished - 2006

Publication series

NameIFAC Proceedings Volumes (IFAC-PapersOnline)
NumberPART 1
Volume5
ISSN (Print)1474-6670

Keywords

  • Autotuning
  • Identification
  • Oscillations
  • PID control
  • Relay feedback system

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