Evolving an adaptive controller for a quadruped-robot with dynamically-rearranging neural networks

Kei Otsu, Akio Ishiguro, Akinobu Fujii, Takeshi Aoki, Peter Eggenberger

研究成果: Paper査読

3 被引用数 (Scopus)

抄録

As highly complicated interaction dynamics exist, it is therefore extremely difficult to design controllers for legged robots. Therefore, Evolutionary Robotics is one of the most promising approaches since it can automatically construct controllers by taking embodiment and the interaction dynamics with the environment into account. Although this approach has such advantages, there still exist several problems that have to be solved. One of the critical problems is that evolved agents generally tend to overadapt to their given environments through the evolutionary process. In other words, they lack rich adaptability. Therefore, it is highly necessary to establish a method that enables to efficiently construct adaptive controllers that can cope with different situations. For this purpose we introduce the concept of neuromodulators, allowing the evolvement of neural networks which can adjust not only the synaptic weights, but also the structure of the neural network by blocking and/or activating synapses or neurons. We apply this concept to create an adaptive controller for a quadruped robot which can not only walk forward but also regulate the torque output applied to each joint according to the current situation.

本文言語English
ページ2036-2044
ページ数9
出版ステータスPublished - 2001
外部発表はい
イベント2001 IEEE/RSJ International Conference on Intelligent Robots and Systems - Maui, HI, United States
継続期間: 2001 10月 292001 11月 3

Other

Other2001 IEEE/RSJ International Conference on Intelligent Robots and Systems
国/地域United States
CityMaui, HI
Period01/10/2901/11/3

ASJC Scopus subject areas

  • 制御およびシステム工学
  • ソフトウェア
  • コンピュータ ビジョンおよびパターン認識
  • コンピュータ サイエンスの応用

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