In this study it was proposed the application of a fuzzy-PI controller in tandem with a split range control strategy to regulate the temperature inside a fermentation vat. Simulations were carried out using different configurations of fuzzy controllers and split range combinations for regulatory control. the performance of these control systems were compared using conventional integral of error criteria, the demand of utilities and the control effort. the proposed control system proved able to adequately regulate the temperature in all the tests. Besides, considering a similar ITAE index and using the energetically most efficient split range configuration, fuzzy-PI controller provided a reduction of approximately 84.5% in the control effort and of 6.75% in total demand of utilities by comparison to a conventional PI controller. (C) 2013 Elsevier B.V. All rights reserved. ; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) ; Univ Estadual Campinas, Sch Chem Engn, BR-13083970 Campinas, SP, Brazil ; Fed Univ São Paulo UNIFESP, Dept Exact & Earth Sci, BR-09972270 Diadema, SP, Brazil ; Fed Univ São Paulo UNIFESP, Dept Exact & Earth Sci, BR-09972270 Diadema, SP, Brazil ; Web of Science
A fuzzy-split range control system applied to a fermentation process
2013-08-01
WOS:000322292800063
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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