Solving a bi-objective flowshop scheduling problem by pareto-ant colony optimization

  • Authors:
  • Joseph M. Pasia;Richard F. Hartl;Karl F. Doerner

  • Affiliations:
  • Department of Mathematics, University of the Philippines-Diliman, Quezon City, Philippines;Department of Management Science, University of Vienna, Vienna, Austria;Department of Management Science, University of Vienna, Vienna, Austria

  • Venue:
  • ANTS'06 Proceedings of the 5th international conference on Ant Colony Optimization and Swarm Intelligence
  • Year:
  • 2006

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Abstract

In this paper we investigate the performance of pareto ant colony optimization (PACO) in solving a bi-objective permutation flowshop problem. We hybridize this technique by incorporating path relinking (PR) in four different ways. Several test instances are used to test the effectiveness of the different approaches. Computational results show that hybridizing PACO with PR improves the performance of PACO. The hybrid algorithms also show competitive results compared to other state of the art metaheuristics.