Using predators and preys in evolution strategies

  • Authors:
  • Karlheinz Schmitt;Jörn Mehnen;Thomas Michelitsch

  • Affiliations:
  • University Dortmund, Dortmund, Germany;University Dortmund, Dortmund, Germany;University Dortmund, Dortmund, Germany

  • Venue:
  • GECCO '05 Proceedings of the 7th annual conference on Genetic and evolutionary computation
  • Year:
  • 2005

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Abstract

This poster presents an evolution strategy for single- and multi-objective optimization. The model uses the predator-prey approach from ecology to scale between both cases. Furthermore the main issue of adaptation working for single- and multi-objective problem-instances equally is discussed. Particular, the well proved self-adaptation mechanism for the mutation strengths in the single-objective case is adopted for the multi-objective one. This self-adaptation process is supported by a new strategy of competition between predators and preys. Six test functions are used to demonstrate the practicability of the model.