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Proceedings Paper

Timed colored Petri nets and fuzzy-set-based model for decision making
Author(s): Marcos Aurelio Scopel Simoes; Marcos R. Pereira Barretto
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Paper Abstract

This work proposes the use of Timed Colored Petri nets as a formal base to a decision making tool for applications in industrial productive processes planning and programming. The Timed Colored Petri net is responsible for the transition of states in the decision process, establishing in time the use of resources and of heuristics that correspond to the more important managerial and operational actions for the planning activities and programming of the productive processes of an industrial plant. To negotiate with the uncertainties involved in a decision process, that in general takes care of the responsible specialist's knowledge for the routines involved in the productive system, we make use of the theory of fuzzy sets to suggest decisions logically consistent that obtain a viable solution just leading the viable states of the decision tree, that, in this case, is confused with the occurrence graph of the Petri net. As application example to the proposed model, we used a production system characterized by a port plant, whose model and simulation results are described at the end of this work.

Paper Details

Date Published: 13 October 2000
PDF: 9 pages
Proc. SPIE 4192, Intelligent Systems in Design and Manufacturing III, (13 October 2000); doi: 10.1117/12.403661
Show Author Affiliations
Marcos Aurelio Scopel Simoes, Federal Univ. of Espirito Santo (Brazil)
Marcos R. Pereira Barretto, Univ. of Sao Paulo (Brazil)

Published in SPIE Proceedings Vol. 4192:
Intelligent Systems in Design and Manufacturing III
Bhaskaran Gopalakrishnan; Angappa Gunasekaran, Editor(s)

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