Multiobjective Optimization Scheduling Problems by Pareto-optimality in Agro-alimentaryWorkshop

Authors

  • Fatma Tangour Ecole Nationale d’Ingénieurs de Tunis Unité de recherche LARA-Automatique BP 37, Le Belvédí¨re, 1002 Tunis, Tunisie 2Ecole Centrale de Lille, Cité scientifique Laboratoire d’Automatique, Genie Informatique et Signal BP 48, 59651 Villeneuve d’Ascq Cedex, France
  • Ihsen Saad Ecole Nationale d’Ingénieurs de Tunis Unité de recherche LARA-Automatique BP 37, Le Belvédí¨re, 1002 Tunis, Tunisie 2Ecole Centrale de Lille, Cité scientifique Laboratoire d’Automatique, Genie Informatique et Signal BP 48, 59651 Villeneuve d’Ascq Cedex, France

Keywords:

Agro-alimentary workshop, scheduling problems, genetic algorithms, Pareto-optimality, multiobjective optimization, production cost, makespan

Abstract

This paper deals with the multiobjective optimization problem of an agroalimentary production workshop. Three criteria are considered in addition to this initial cost of production: the cost of the out-of-date products, the cost of the distribution discount and the makespan, and a new coding is proposed for this type of workshop. The adopted approach consists in generating optimal solutions diversified in the search space of solutions, and to help the decision maker when it cannot give a particular preference to one of the objective functions to make the good decision with respect to the quoted criteria.

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Published

2006-07-01

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