A direct adaptive fuzzy power system stabilizer

N. Hosseinzadeh*, A. Kalam

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

57 Citations (Scopus)


A fuzzy power system stabilizer (FPSS) is developed using the concept of fuzzy basis functions. The linguistic rules, regarding the dependence of the plant output on the controlling signal, are used to build the initial FPSS. Based on the Lyapunov's direct method, an adaptation rule is developed in order to make the FPSS adaptive to changes in operating conditions of the power system. The FPSS is designed for a cogenerator, and simulation studies are based on a one machine-infinite bus model. Nonlinear simulations reveal that the performance of the adaptive fuzzy power system stabilizer (AFPSS) is better than the performance of a conventional (linear) power system stabilizer (CPSS) and a fixed-parameter FPSS for a wide range of operating conditions.

Original languageEnglish
Pages (from-to)1564-1570
Number of pages7
JournalIEEE Transactions on Energy Conversion
Issue number4
Publication statusPublished - 1999


  • Adaptive control
  • Adaptive fuzzy systems
  • Fuzzy basis functions
  • Fuzzy logic
  • Power system stabilizer

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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