ヒトの運動軌道を目指したマニピュレータの軌道計画 Trajectory Formation of Manipulators to Demonstrate Human Arm Movements

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Manipulators have similar structure with human upper extremity, and there are many possibilities to utilize them for various works instead of humans. Hence, human arm movements have been widely studies, which analyze sophis-ticated capability of human arm control system and attempt to improve ability of manipulators by transferring the results of such analysis.<BR>It is reported that human arm trajectories have particular properties such that most of its path lies along a rather straight or simple curved line, and a tangential velocity of hand is bell shaped. In this paper, human arm trajectories are analyzed in Cartesian space and joint angle space, and performance criterion is proposed to formulate trajectories for demonstrating human arm movements. Moreover, difficulty of solving nonlinear optimization problem which disturbs manipulators from application of trajectory planning is overcome by developing an algorithm of near-optimal trajectory formation based on approximated differential equations. Besides, it is confirmed that optimal trajectory with high accuracy is stably formulated by utilizing the algorithm<BR>Formulated trajectories according to a proposed trajectory planning strategy are compared with observed trajectories obtained by experiment which is conducted under unrestricted conditions. The results show that the formulated trajectories well demonstrate human arm trajectories.

収録刊行物

  • 日本ロボット学会誌  

    日本ロボット学会誌 16(8), 1131-1137, 1998-11-15 

    The Robotics Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002865095
  • NII書誌ID(NCID)
    AN00141189
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    02891824
  • NDL 記事登録ID
    4604021
  • NDL 雑誌分類
    ZN11(科学技術--機械工学・工業)
  • NDL 請求記号
    Z16-1325
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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