An adaptive local search based genetic algorithm for solving multi-objective facility layout problem

  • Authors:
  • Kazi Shah Nawaz Ripon;Kyrre Glette;Mats Høvin;Jim Torresen

  • Affiliations:
  • Department of Informatics, University of Oslo, Norway;Department of Informatics, University of Oslo, Norway;Department of Informatics, University of Oslo, Norway;Department of Informatics, University of Oslo, Norway

  • Venue:
  • ICONIP'10 Proceedings of the 17th international conference on Neural information processing: theory and algorithms - Volume Part I
  • Year:
  • 2010

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Abstract

Due to the combinatorial nature of the facility layout problem (FLP), several heuristic and meta-heuristic approaches have been developed to obtain good rather than optimal solutions. Unfortunately, most of these approaches are predominantly on a single objective. However, the real-world FLPs are multiobjective by nature and only very recently have meta-heuristics been designed and used in multi-objective FLP. These most often use the weighted sum method to combine the different objectives and thus, inherit the well-known problems of this method. This paper presents an adaptive local search based genetic algorithm (GA) for solving the multi-objective FLP that presents the layouts as a set of Pareto-optimal solutions optimizing both quantitative and qualitative objectives simultaneously. Unlike the conventional local search, the proposed adaptive local search scheme automatically determines whether local search is used in a GA loop or not. The results obtained show that the proposed algorithm outperforms the other competing algorithms and can find near-optimal and nondominated solutions by optimizing multiple criteria simultaneously.