Motion Planning for a Three-Axis Planar Manipulator with a Passive Revolute Joint

Naoji Shiroma, Kevin M. Lynch, Hirohiko Arai, Kazuo Tanie

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Obstacle avoidance motion planning for a three-axis planar manipulator with a passive revolute third joint from one zero velocity state to another is investigated. This kind of manipulator is smalltime locally controllable on its zero velocity states and can follow any arbitrarily path, in zero velocity states almost exactly. We constructed positioning trajectory by connecting rotational and translational motion segments which are preferred motion of the manipulator considering its dynamics and can be executed at higher speeds. The way of constructing trajectories makes six-dimensional trajectory planning be reduced computationally as simpler three-dimensional path planning and time-scaling on the specified paths. The algorithm for obstacle avoidance motion planning is presented. The experimental result shows that the manipulator can reach the desired configuration according to the planned trajectory.

Original languageEnglish (US)
Pages (from-to)545-552
Number of pages8
JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume66
Issue number642
DOIs
StatePublished - Jan 1 2000

Keywords

  • Computer Control
  • Mechanics and Robotics
  • Nonholonomic Constraint
  • Obstacle Avoidance Motion Planning
  • Passive Revolute Joint
  • Path Planning
  • Positioning
  • Time-scaling
  • Underactuated Manipulator

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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