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  • 青山 忠義, 高木 健, 三浦 拓実, 石井 抱
    日本ロボット学会誌
    2017年 35 巻 3 号 258-266
    発行日: 2017年
    公開日: 2017/05/15
    ジャーナル フリー
    電子付録
    Motion planning for non-grasp manipulation is a typical kinodynamic problem which is required to solve both kinematic and dynamic constraint. So far, realized non-grasp manipulation is limited due to the difficulty of kinodynamic constrained condition. This paper proposes a non-grasp manipulation method considering only kinematic constraint and realize dynamical manipulation which is hitherto unrealized motion. This work focuses on flower stick juggling and constructs a feedback control strategy for a flower stick juggling task called “propeller” as one of the hitherto unrealized non-grasp manipulations. The propeller motion is modeled by considering combined flower stick and a robotic manipulator. We developed a control strategy that allows stable cyclic rotation of the flower stick in the air and the flower stick propeller motion is realized using an actual robotic system. Finally, we conduct a stability analysis of the generated cyclic motion of the flower stick by using a Poincar\'e map, and the analytical results show that the generated cyclic motion is asymptotically stable.
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