Coupled Adaptive Fuzzy Control of Nonlinear, Time-Varying Plant

  • Authors:
  • Raimundas Liutkevičius

  • Affiliations:
  • Vytautas Magnus University, Vileikos 8, LT-3035, Kaunas, Lithuania, e-mail: r.liutkevicius@if.vdu.lt

  • Venue:
  • Informatica
  • Year:
  • 2003

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Abstract

This paper analyses coupled control of a nonlinear, time-varying plant. Uncoupled and coupled direct adaptive controllers, based on fuzzy logics, are synthesized to control the water level and the air pressure in a closed tank. The satisfactory efficiency of the controllers is experimentally demonstrated running the plant under the different working conditions. Coupled fuzzy controllers are compared with the uncoupled fuzzy controllers.