Fuzzy self-tuning PI controller for phase-shifted series resonant converters

A.A. Aboushady, K.H. Ahmed, S.J. Finney, B.W. Williams

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

3 Citations (Scopus)
114 Downloads (Pure)


A linearized model of the phase-shifted series resonant converter is necessary for closed loop design. With fixed PI control design, the converter does not have good disturbance rejection capability and cannot always cope with a wide range of uncertainties. In this paper, a PI self-tuning mechanism based on a fuzzy logic scheme is proposed. It corrects the PI gains, initially designed using small-signal modeling, to improve converter dynamic response and disturbance rejection. The algorithm is based on continuous change/adaptation of the PI gains until best dynamic response is achieved. Simulation results compare responses for the PI fixed parameters with the fuzzy-adapted controller gains under different disturbance conditions.
Original languageEnglish
Title of host publication2011 International Conference on Power Engineering, Energy and Electrical Drives
Number of pages6
ISBN (Print)978-1-4244-9845-1
Publication statusPublished - 2011


  • fuzzy logic
  • voltage control
  • mathematical model
  • heuristic algorithms
  • algorithm design and analysis
  • control systems
  • fuzzy control


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