Comparative experiments with a multiple model based adaptive controller for a SCARA type direct drive manipulator

Authors:
M. Kemal Ciliz;M. Ömer Tuncay
Affiliations:
Electrical and Electronics Engineering Department, Bogazici University, Bebek, Istanbul (Turkey).;Systems and Control Engineering, Bogazici University, Bebek, Istanbul (Turkey).
Venue:
Robotica
Year:
2005

Citing 7
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Abstract

In this paper, different adaptive control algorithms will be experimentally tested on a two axis SCARA type direct drive robot arm, and the performance of these algorithms will be compared. Being a direct drive system, the nonlinear effects, arising from the dynamics of the manipulator under high velocities, are directly reflected in the control of the manipulator. This makes the manipulator a more efficient test bed for testing the efficiency of the proposed adaptive schemes. In the experiments, we used fast trajectories rather than slow ones to observe how the proposed controllers compensate the dynamic nonlinear effects of manipulator dynamics. We will test some known adaptive control algorithms given in the literature along with our proposed adaptive control scheme which makes use of multiple models.