Iterative feedback tuning in fuzzy control systems. theory and applications

Stefan Preitl, Radu Emil Precup, János Fodor, Barnabás Bede

Research output: Contribution to journalArticle

51 Citations (Scopus)


The paper deals with both theoretical and application aspects concerning Iterative Feedback Tuning (IFT) algorithms in the design of a class of fuzzy control systems employing Mamdani-type PI-fuzzy controllers. The presentation is focused on twodegree- of-freedom fuzzy control system structures resulting in one design method. The stability analysis approach based on Popov's hyperstability theory solves the convergence problems associated to IFT algorithms. The suggested design method is validated by realtime experimental results for a fuzzy controlled nonlinear DC drive-type laboratory equipment.

Original languageEnglish
Pages (from-to)81-96
Number of pages16
JournalActa Polytechnica Hungarica
Issue number3
Publication statusPublished - Dec 1 2006


  • Experiments
  • Iterative Feedback Tuning
  • PI-fuzzy controllers

ASJC Scopus subject areas

  • Engineering(all)

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