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Trajectory planning for flexible Cartesian robot manipulator by using artificial neural network: numerical simulation and experimental verification

Published online by Cambridge University Press:  07 December 2010

Akira Abe
Akira Abe*
Affiliation:
Department of Information System Engineering, Asahikawa National College of Technology, 2-2-1-6 Syunkodai, Asahikawa, Hokkaido 071-8142, Japan
*
*Corresponding author. E-mail: abe@asahikawa-nct.ac.jp
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Summary

This paper presents a novel trajectory planning method for a flexible Cartesian robot manipulator in a point-to-point motion. In order to obtain an exact mathematical model, the parameters of the equation of motion are determined from an identification experiment. An artificial neural network is employed to generate the desired base position, and then, a particle swarm optimization technique is used as the learning algorithm, in which the sum of the displacements of the manipulator is chosen as the objective function. We show that the residual vibrations of the manipulator can be suppressed by minimizing the displacement of the manipulator. The effectiveness and validity of the proposed method are demonstrated by comparing the simulation and experimental results.

Keywords

Trajectory planningFlexible Cartesian robot manipulatorVibration controlArtificial neural networkParticle swarm optimization
Type
Articles
Information
Robotica , Volume 29 , Issue 5 , September 2011 , pp. 797 - 804
Copyright
Copyright © Cambridge University Press 2010

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