International Journal of Fuzzy Logic and Intelligent Systems

Korean Institute of Intelligent Systems (한국지능시스템학회)
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Associative Motion Generation for Humanoid Robot Reflecting Human Body Movement

  • Wakabayashi, Akinori (Dept. of Computer Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology) ;
  • Motomura, Satona (Dept. of Computer Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology) ;
  • Kato, Shohei (Dept. of Computer Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology)
  • Received : 2012.02.28
  • Accepted : 2012.06.20
  • Published : 2012.06.25
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Abstract

This paper proposes an intuitive real-time robot control system using human body movement. Recently, it has been developed that motion generation for humanoid robots with reflecting human body movement, which is measured by a motion capture. However, in the existing studies about robot control system by human body movement, the detailed structure information of a robot, for example, degrees of freedom, the range of motion and forms, must be examined in order to calculate inverse kinematics. In this study, we have proposed Associative Motion Generation as humanoid robot motion generation method which does not need the detailed structure information. The associative motion generation system is composed of two neural networks: nonlinear principal component analysis and Jordan recurrent neural network, and the associative motion is generated with the following three steps. First, the system learns the correspondence relationship between an indication and a motion using training data. Second, associative values are extracted for associating a new motion from an unfamiliar indication using nonlinear principal component analysis. Last, the robot generates a new motion through calculation by Jordan recurrent neural network using the associative values. In this paper, we propose a real-time humanoid robot control system based on Associative Motion Generation, that enables user to control motion intuitively by human body movement. Through the task processing and subjective evaluation experiments, we confirmed the effective usability and affective evaluations of the proposed system.

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References

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