Adaptive control of an industrial robot retrofitted with an open-architecture controller

被引:0
|
作者
Zhou, Y [1 ]
deSilva, CW [1 ]
机构
[1] UNIV BRITISH COLUMBIA, DEPT MECH ENGN, IND AUTOMAT LAB, VANCOUVER, BC V6T 1Z4, CANADA
关键词
D O I
10.1115/1.2801135
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A PUMA 560 industrial robot has been retrofitted with an open-architecture controller. An adaptive control scheme that incorporates actuator dynamics has been implemented on this robot testbed. The overall low level control scheme is based on the complete robot-actuator dynamics, and consists of a modified regressor-based adaptive algorithm and a feedforward compensation scheme for actuator dynamics. It is shown by a Lyapunov-like analysis that, under this control scheme, the tracking error of a general robot is bounded. Experiments carried out show that the performance of the robot, with the adaptive control scheme, is significantly improved when properly compensated for actuator dynamics.
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收藏
页码:143 / 150
页数:8
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