Prediction-based Iterative Learning Control (PILC) for Uncertain Dynamic Nonlinear Systems Using System Identification Technique

Authors:
M. Arif;T. Ishihara;H. Inooka
Affiliations:
PIEAS, P.O. Nilore, Islamabad, Pakistan;GSIS, Tohoku University, Japan;GSIS, Tohoku University, Japan
Venue:
Journal of Intelligent and Robotic Systems
Year:
2000

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Abstract

Prediction-based Iterative Learning Control (PILC) is proposed in this paper for a class of time varying nonlinear uncertain systems. Convergence of PILC is analyzed and the uniform boundedness of tracking error is obtained in the presence of uncertainty and disturbances. It is shown that the learning algorithm not only guarantees the robustness, but also improves the learning rate despite the presence of disturbances and slowly varying desired trajectories in succeeding iterations. The effectiveness of the proposed PILC is presented by simulations.