Journal
AUTOMATICA
Volume 96, Issue -, Pages 326-336Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2018.06.051
Keywords
Flexible structure; Distributed parameter system; Boundary iterative learning control; Disturbance rejection; Input constraint
Funding
- National Research Foundation
- Keppel Corporation
- National University of Singapore
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This paper proposes a unified framework of iterative learning control for typical flexible structures under spatiotemporally varying disturbances. Input constraints and the external disturbances are smoothly tackled through hyperbolic tangent functions. Boundary iterative learning control (BILC) laws are proposed to guarantee the learning convergence. The closed-loop systems can converge to zero along the iteration axis on the basis of time-weighted Lyapunov-Krasovskii-like composite energy functions (CEF). Simulations are implemented to illustrate the effectiveness of the proposed BILC schemes. (C) 2018 Elsevier Ltd. All rights reserved.
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