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Dynamics and Motion Control of a 6-DOF Robot Manipulator

[+] Author Affiliations
Carlos Mondragon, Reza Fotouhi

University of Saskatchewan, Saskatoon, SK, Canada

Paper No. IMECE2012-89585, pp. 369-380; 12 pages
doi:10.1115/IMECE2012-89585
From:
  • ASME 2012 International Mechanical Engineering Congress and Exposition
  • Volume 4: Dynamics, Control and Uncertainty, Parts A and B
  • Houston, Texas, USA, November 9–15, 2012
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4520-2
  • Copyright © 2012 by ASME

abstract

This research work is to control motion of a manipulator attached to a mobile robot for pick-and-place operations; this is part of a bigger project in developing a robotic-assisted nursing to be used in medical settings. In this paper a strategy to accomplish pick-and-place operations, using a six degree-of-freedom robotic arm, is presented. Such operations are completed by creating a collision-free path to move an object from an initial to a final position. The collision-free path is planned by considering the entire workspace of the manipulator. The workspace is defined as the subtraction of the stationary objects and the robot volumes from all of the possible reachable points of the robotic arm. Once the path is planned, the kinematics of the manipulator is considered. Although this project can be applied into a wide range of applications, it is mainly intended to be used for medical robotic assistance. Simulation results for several different paths are presented. The simulation results were verified with experimental results, although not shown here.

Copyright © 2012 by ASME

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