Novel leaning feed-forward controller for accurate robot trajectory tracking

  • Authors:
  • D. Bi;G. L. Wang;J. Zhang;Q. Xue

  • Affiliations:
  • Tianjin University of Science and Technology, Tianjin, P.R. China;Sun Yat-Sen University, GuanZhou, P.R. China;Sun Yat-Sen University, GuanZhou, P.R. China;Tianjin University of Science and Technology, Tianjin, P.R. China

  • Venue:
  • ICNC'05 Proceedings of the First international conference on Advances in Natural Computation - Volume Part II
  • Year:
  • 2005

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Abstract

This paper presents a novel learning feed-forward controller design approach for accurate robotics trajectory tracking. Based on the joint nonlinear dynamics characteristics, a model-free learning algorithm based on Support Vector Machine (SVM) is implemented for friction model identification. The experimental results verified that SVM based learning feed-forward controller is a good approach for high performance industrial robot trajectory tracking. It can achieve low tracking error comparing with traditional trajectory tracking control method.