Multi-objective evolution of robot neuro-controllers

  • Authors:
  • Amiram Moshaiov;Ariela Ashram-Wittenberg

  • Affiliations:
  • Faculty of Engineering, Tel-Aviv University, Israel;Faculty of Engineering, Tel-Aviv University, Israel

  • Venue:
  • CEC'09 Proceedings of the Eleventh conference on Congress on Evolutionary Computation
  • Year:
  • 2009

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Abstract

This paper concerns a non-traditional evolutionary robotics approach to robot navigation. Navigation is presented as a problem of two conflicting objectives. The first concerns a classical "amalgamated" objective, which has been traditionally used to increase speed, move straight as possible, and at the same time avoid obstacles. The second objective is devised to simultaneously encourage a sequential acquisition of targets. To solve the presented problem a modification of the well known NSGA-II algorithm has been performed. The proposed approach is tested using a simulation of a Khepera. The study sheds light on different aspects of the aforementioned problem and on the applicability of evolutionary multi-objective optimization to the simultaneous learning of a variety of controllers for deferent behaviors. Finally, based on this initial study, future work is suggested, which may allow to shift such multi-objective evolutionary studies from toy problems to more realistic situations.