Mutual Development of Behavior Acquisition and Recognition Based on Value System

  • Authors:

  • Yasutake Takahashi;Yoshihiro Tamura;Minoru Asada

  • Affiliations:

  • Graduate School of Engineering, Osaka University, Osaka, Japan 565-0871;Graduate School of Engineering, Osaka University, Osaka, Japan 565-0871;Graduate School of Engineering, Osaka University, Osaka, Japan 565-0871

  • Venue:
  • SAB '08 Proceedings of the 10th international conference on Simulation of Adaptive Behavior: From Animals to Animats
  • Year:
  • 2008

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Abstract

Both self-learning architecture (embedded structure) and explicit/implicit teaching from other agents (environmental design issue) are necessary not only for one behavior learning but more seriously for life-time behavior learning. This paper presents a method for a robot to understand unfamiliar behavior shown by others through the collaboration between behavior acquisition and recognition of observed behavior, where the state value has an important role not simply for behavior acquisition (reinforcement learning) but also for behavior recognition (observation). That is, the state value updates can be accelerated by observation without real trials and errors while the learned values enrich the recognition system since it is based on estimation of the state value of the observed behavior. The validity of the proposed method is shown by applying it to a dynamic environment where two robots play soccer.