Fuzzy-logic-control approach of a modified hill-climbing method for maximum power point in microgrid standalone photovoltaic system

Bader N F M T Alajmi, Khaled Ahmed, Stephen Finney, Barry Williams

Research output: Contribution to journalArticle

408 Citations (Scopus)

Abstract

A new fuzzy-logic controller for maximum power point tracking of photovoltaic (PV) systems is proposed. PV modeling is discussed. Conventional hill-climbing maximum power-point tracker structures and features are investigated. The new controller improves the hill-climbing search method by fuzzifying the rules of such techniques and eliminates their drawbacks. Fuzzy-logic-based hill climbing offers fast and accurate converging to the maximum operating point during steady-state and varying weather conditions compared to conventional hill climbing. Simulation and experimentation results are provided to demonstrate the validity of the proposed fuzzy-logic-based controller.
Original languageEnglish
Pages (from-to)1022 - 1030
Number of pages9
JournalIEEE Transactions on Power Electronics
Volume26
Issue number4
DOIs
Publication statusPublished - 2011

Keywords

  • fuzzy logic
  • photovoltaic system
  • microgrids

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