Adaptive Jacobian tracking control of rigid-link electrically driven robots based on visual task-space information

  • Authors:
  • Chao Liu;Chien Chern Cheah;Jean-Jacques E. Slotine

  • Affiliations:
  • School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore;School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore;Nonlinear Systems Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 2006

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Abstract

This paper studies stable adaptive tracking control of rigid-link electrically driven robot manipulators in the presence of uncertainties in kinematics, manipulator dynamics, and actuator dynamics. A new task-space control method using visual task-space information is proposed to overcome the uncertainties adaptively. Accelerations measurements are avoided in the control voltage inputs by constructing observers to specify desired armature currents. Simulation results illustrate the performance of the proposed control method.