Designing multi-objective variation operators using a predator-prey approach

  • Authors:
  • Christian Grimme;Joachim Lepping

  • Affiliations:
  • Robotics Research Institute, Section Information Technology, Dortmund University, Dortmund, Germany;Robotics Research Institute, Section Information Technology, Dortmund University, Dortmund, Germany

  • Venue:
  • EMO'07 Proceedings of the 4th international conference on Evolutionary multi-criterion optimization
  • Year:
  • 2007

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Abstract

In this paper, we propose a new conceptual method for the design, investigation, and evaluation of multi-objective variation operators for evolutionary multi-objective algorithms. To this end, we apply a modified predator-prey model that allows an independent analysis of different operators. Using this model problem specific operators can be combined to more complex operators. Additionally, we review the simplex recombination, a new rotation-independent recombination scheme, and examine its impact concerning our design method. We show exemplarily as a first attempt the advantageous combination of several standard variation operators that lead to better results for selected test functions.