Control of a Non-isothermal CSTR by Type-2 Fuzzy Logic Controllers

  • Authors:

  • Mosé Galluzzo;Bartolomeo Cosenza

  • Affiliations:

  • Dipartimento di Ingegneria Chimica dei Processi e dei Materiali, Università di Palermo, Palermo, Italy 90128;Dipartimento di Ingegneria Chimica dei Processi e dei Materiali, Università di Palermo, Palermo, Italy 90128

  • Venue:
  • WILF '09 Proceedings of the 8th International Workshop on Fuzzy Logic and Applications
  • Year:
  • 2009

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Abstract

The paper describes the application of a type-2 fuzzy logic controller (FLC) to a non-isothermal continuous stirred tank reactor (CSTR) characterized by the presence of saddle node and Hopf bifurcations. Its performance is compared with a type-1 fuzzy logic controller performance. A full analysis of the uncontrolled CSTR dynamic was carried out and used for the feedback-feedforward fuzzy controllers development. Simulation results confirm the effectiveness and the robustness of the type-2 FLCs which outperform their type-1 counterparts, particularly when uncertainties are present in the system.