Evolutionary gait-optimization using a fitness function based on proprioception

  • Authors:
  • Thomas Röfer

  • Affiliations:
  • Center for Computing Technology (TZI), FB 3, Universität Bremen

  • Venue:
  • RoboCup 2004
  • Year:
  • 2005

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Abstract

This paper presents a new approach to optimize gait parameter sets using evolutionary algorithms. It separates the crossover-step of the evolutionary algorithm into an interpolating step and an extrapolating step, which allows for solving optimization problems with a small population, which is an essential for robotics applications. In contrast to other approaches, odometry is used to assess the quality of a gait. Thereby, omni-directional gaits can be evolved. Some experiments with the Sony Aibo models ERS-210 and ERS-7 prove the performance of the approach including the fastest gait found so far for the Aibo ERS-210.