Brief paper: Mutual benefits of two multicriteria analysis methodologies: A case study for batch plant design

  • Authors:
  • Catherine Azzaro-Pantel;Pascale Zaraté

  • Affiliations:
  • LGC/ENSIACET-INPT, Laboratoire de Génie Chimique de Toulouse, Université de Toulouse, 5 rue Paulin Talabot BP 301, 31106 Toulouse Cedex 1, France;IRIT/ENSIACET-INPT, Institut de Recherche en Informatique de Toulouse, IRIT UMR CNRS 5505, 118 route de Narbonne, 31062 Toulouse Cedex 4, France

  • Venue:
  • Engineering Applications of Artificial Intelligence
  • Year:
  • 2009

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Abstract

This paper presents a MultiObjective Genetic Algorithm (MOGA) optimization framework for batch plant design. For this purpose, two approaches are implemented and compared with respect to three criteria, i.e., investment cost, equipment number and a flexibility indicator based on work in process (the so-called WIP) computed by use of a discrete-event simulation model. The first approach involves a genetic algorithm in order to generate acceptable solutions, from which the best ones are chosen by using a Pareto Sort algorithm. The second approach combines the previous Genetic Algorithm with a multicriteria analysis methodology, i.e., the Electre method in order to find the best solutions. The performances of the two procedures are studied for a large-size problem and a comparison between the procedures is then made.