Optimal fuzzy control to reduce energy consumption in distillation columns

  • Authors:

  • C. Bouyahiaoui;L. I. Grigoriev;F. Laaouad;A. Khelassi

  • Affiliations:

  • Laboratory of Automatic Applied (Process Control), Automatic Department, Faculty of Hydrocarbons and Chemistry, University of Boumerdes, Boumerdes, Algeria;Gubkin Russian State University of Oil and Gas, Moscow, Russia;Laboratory of Automatic Applied (Process Control), Automatic Department, Faculty of Hydrocarbons and Chemistry, University of Boumerdes, Boumerdes, Algeria;Laboratory of Automatic Applied (Process Control), Automatic Department, Faculty of Hydrocarbons and Chemistry, University of Boumerdes, Boumerdes, Algeria

  • Venue:
  • Automation and Remote Control
  • Year:
  • 2005

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Abstract

Distillation columns constitute a significant fraction of the capital invested in the refineries around the world; their control requires a major part of the total operating cost of chemical processes, if the used strategy is not adequate. This article presents the application of optimal fuzzy control to reduce the energy consumption of a Benzene-Toluene distillation column. This method is based on the determination of the specific values of the fuzzy controller parameters such that certain performance criterion is minimised. Results of a simulation study are presented showing the potential improvement offered by this method.