T-3-3-1 Obstacle Avoidance for Spatial Hyper-Redundant Manipulators

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概要

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• Obstacle avoidance for discrete-link spatial hyper-redundant manipulators in known environments is considered. The manipulator is divided into two sections, a proximal section that has not entered the space among obstacles and a distal section among the obstacles. The application of harmonic potential functions is extended to obstacle avoidance for the distal section in three-dimensional space, in order to avoid local minima in cluttered environments. A modified panel method is used to generate the potential of any arbitrary shaped obstacle in three-dimensional space. An alternative backbone curve concept and an efficient fitting method are introduced to control the trajectory of proximal links. The fitting method is recursive and avoids the complications involved with solving large systems of nonlinear algebraic equations. Combination of the three-dimensional safe path derived from the harmonic potential field and the backbone curve concept leads to an elegant kinematic control strategy that guarantees obstacle avoidance for spatial hyper-redundant robotic manipulators.

• 一般社団法人日本機械学会の論文

著者

• Fahimi F.

  Department Of Mechanical Engineering Villanova University

• Ashrafiuon H.

  Department of Mechanical Engineering Villanova University

• Nataraj C.

  Department of Mechanical Engineering Villanova University

関連論文

• T-3-3-1 Obstacle Avoidance for Spatial Hyper-Redundant Manipulators

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