On-line Self Tuning of Contouring Control for High Accuracy Robot Manipulators under Various Operations
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Publication Details
Author list: Li K., Boonto S., Nuchkrua T.
Publisher: Springer
Publication year: 2020
Journal acronym: IJCAS
Volume number: 18
Issue number: 7
Start page: 1818
End page: 1828
Number of pages: 11
ISSN: 1598-6446
eISSN: 2005-4092
Languages: English-Great Britain (EN-GB)
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Abstract
We present the method of online self-tuning PD controller for the problem of contouring control of robot manipulators. Previously, the dynamics of the robot is transformed into dynamic errors problem by considering the equivalent errors method. It becomes the control problem of stabilization such that it is suitable for advanced control to improve control performance regarding contouring control, i.e., contour accuracy with high speed. Conventional PD tuned by the fuzzy controller with robust extended Kalman filter where it was acting as the robust adaptive controller is utilized to stabilize that control problem. It could determine the stationary point of different processes without knowing prior. In practice, the proposed controller is easily dealt with the problem of stabilization. The experiment results reveal that the proposed technique yields excellent performance under a large disturbance. © 2020, ICROS, KIEE and Springer.
Keywords
Contouring control, on-line self tuning, robot manipulator
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