Fuzzy-PID gains tuning: Differential evolution versus second order analytical algorithms

Ana Sebastião, Catarina Lucena, Luis Palma, Paulo Gil

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents a comparison between two distinct constrained optimisation based approaches for tuning the gains of fuzzy-Proportional-Integral-Derivative controllers. One of the frameworks is based on a second order analytical optimisation approach, while the other relies on a differential evolutionary algorithm. In both methodologies, the cost function is related to the closed loop system performance. The system dynamics is described by a nonlinear model, and the set of constraints to the solution includes bounds on gains, control actions and on the system outputs. Experimental results carried out on a Multi-Input Multi-Output benchmark system illustrate the advantages of using a global optimisation approach. © 2015 IEEE.
Original languageEnglish
Title of host publication2015 10th Asian Control Conference (ASCC)
Place of PublicationKinabalu, Malaysia
PublisherIEEE
ISBN (Print)978-1-4799-7862-5
DOIs
Publication statusPublished - 1 May 2015
Event10th Asian Control Conference (ASCC 2015) - Kota Kinabalu, Malaysia
Duration: 31 May 20153 Jun 2015
Conference number: 10th

Conference

Conference10th Asian Control Conference (ASCC 2015)
Abbreviated titleASCC 2015
CountryMalaysia
CityKota Kinabalu
Period31/05/153/06/15

Keywords

  • Niobium
  • Tuning
  • Optimization
  • Fuzzy logic
  • Control systems
  • Nonlinear dynamical systems

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