Application of Model Reference Adaptive Control to Industrial Robot Impedance Control

  • Authors:
  • Roman Kamnik;Drago Matko;Tadej Bajd

  • Affiliations:
  • Faculty of Electrical Engineering, University of Ljubljana, Trž/aš/ka 25, Ljubljana, Slovenia/ e-mail: kamnikr@robo.fe.uni-lj.si, drago.matko@fe.uni-lj.si, bajd@robo.fe.uni-lj.si;Faculty of Electrical Engineering, University of Ljubljana, Trž/aš/ka 25, Ljubljana, Slovenia/ e-mail: kamnikr@robo.fe.uni-lj.si, drago.matko@fe.uni-lj.si, bajd@robo.fe.uni-lj.si;Faculty of Electrical Engineering, University of Ljubljana, Trž/aš/ka 25, Ljubljana, Slovenia/ e-mail: kamnikr@robo.fe.uni-lj.si, drago.matko@fe.uni-lj.si, bajd@robo.fe.uni-lj.si

  • Venue:
  • Journal of Intelligent and Robotic Systems
  • Year:
  • 1998

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Abstract

The paper deals with the application of model reference adaptive controlto robot impedance control, which is actually a technique of steering theend-effector on a prescribed path and satisfying a prescribed dynamicrelationship between the force and the end-effector position. Due to unknownparameters of the environment (stiffness, exact position), a model referencealgorithm is proposed which differs from classical algorithms in its methodof excitation. The results of the proposed procedure are illustrated byimplementation on the ASEA IRb 6 industrial robot.