The micro genetic algorithm 2: towards online adaptation in evolutionary multiobjective optimization

  • Authors:
  • Gregorio Toscano Pulido;Carlos A. Coello Coello

  • Affiliations:
  • CINVESTAV-IPN, Depto. de Ingeniería Eléctrica, México, D.F.;CINVESTAV-IPN, Depto. de Ingeniería Eléctrica, México, D.F.

  • Venue:
  • EMO'03 Proceedings of the 2nd international conference on Evolutionary multi-criterion optimization
  • Year:
  • 2003

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Abstract

In this paper, we deal with an important issue generally omitted in the current literature on evolutionary multi-objective optimization: on-line adaptation. We propose a revised version of our micro-GA for multi-objective optimization which does not require any parameter fine-tuning. Furthermore, we introduce in this paper a dynamic selection scheme through which our algorithm decides which is the "best" crossover operator to be used at any given time. Such a scheme has helped to improve the performance of the new version of the algorithm which is called the micro-GA2 (µGA2). The new approach is validated using several test function and metrics taken from the specialized literature and it is compared to the NSGA-II and PAES.