Multiobjective memetic algorithms for time and space assembly line balancing

  • Authors:
  • Manuel Chica;íscar Cordón;Sergio Damas;Joaquín Bautista

  • Affiliations:
  • European Centre for Soft Computing, 33600 Mieres, Spain;European Centre for Soft Computing, 33600 Mieres, Spain and Department of Computer Science and Artificial Intelligence, E.T.S. Informática y Telecomunicación, 18071 Granada, Spain;European Centre for Soft Computing, 33600 Mieres, Spain;Nissan Chair ETSEIB Universitat Politècnica de Catalunya, 08028 Barcelona, Spain

  • Venue:
  • Engineering Applications of Artificial Intelligence
  • Year:
  • 2012

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Abstract

This paper presents three proposals of multiobjective memetic algorithms to solve a more realistic extension of a classical industrial problem: time and space assembly line balancing. These three proposals are, respectively, based on evolutionary computation, ant colony optimisation, and greedy randomised search procedure. Different variants of these memetic algorithms have been developed and compared in order to determine the most suitable intensification-diversification trade-off for the memetic search process. Once a preliminary study on nine well-known problem instances is accomplished with a very good performance, the proposed memetic algorithms are applied considering real-world data from a Nissan plant in Barcelona (Spain). Outstanding approximations to the pseudo-optimal non-dominated solution set were achieved for this industrial case study.