Trajectory planning algorithm with path search for cooperative multiple manipulators

Akira Mohri, Motoji Yamamoto, Go Hirano

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

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In this paper, we propose an algorithm to determine sub-optimal paths and trajectories for cooperative multiple manipulators which hold an object and transfer it from a given start point to a given goal point. The dynamic equations of manipulators and the object are expressed by a path parameter's which is the length along the path and does not depend on the time 't' explicitly. Using this parameter 's', we express the position of the center of gravity and the attitude of the object as p(s) and φ(s), respectively. And the joint path θi of the i-th manipulator is also expressed by this parameter 's' and written as θi(s). A quality λ(s) which connects the time 't' and the path parameter 's' is introduced. θi(s) and λ(s) are approximated by B-spline. Sub-optimal θi(s) and λ(s) are determined by considering the boundary conditions of both end points and the driving torque/force constraint of each joint of each manipulator. The proposed algorithm is applied to a two-manipulator system. Numerical results show the effectiveness of the algorithm.

元の言語英語
ページ(範囲)898-903
ページ数6
ジャーナルUnknown Journal
1
出版物ステータス出版済み - 1995

All Science Journal Classification (ASJC) codes

  • Hardware and Architecture
  • Control and Systems Engineering

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