Control of a nonlinear continuous bioreactor with bifurcation by a type-2 fuzzy logic controller

Mose' Galluzzo, Bartolomeo Cosenza

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50 Citazioni (Scopus)

Abstract

The object of this paper is the application of a type-2 fuzzy logic controller to a nonlinear system that presents bifurcations. A bifurcation can cause instability in the system or can create new working conditionswhich, although stable, are unacceptable. The only practical solution for an efficient control is the use of high performance controllers that take into account the uncertainties of the process. A type-2fuzzy logic controller is tested by simulation on a nonlinear bioreactor system that is characterized by a transcritical bifurcation. Simulation results show the validity of the proposed controllers in preventing the system from reaching bifurcation and instable or undesirable stable conditions.
Lingua originaleEnglish
pagine (da-a)2986-2993
Numero di pagine8
RivistaCOMPUTERS & CHEMICAL ENGINEERING
Volume32
Stato di pubblicazionePublished - 2008

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Computer Science Applications

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