Robust Fractional-Order Controller Implemented on a Laboratory Hydraulic Canal
Publication: Journal of Hydraulic Engineering
Volume 135, Issue 4
Abstract
This paper deals with the development of a new robust fractional-order controller for hydraulic canals whose parameters can vary in a wide range. Robustness to gain changes has particularly been increased. A method to design these controllers through the use of frequency specifications is proposed. Analysis of the frequency response of the closed-loop canal shows that the general robustness was also enhanced. Two of these fractional controllers have been experimentally implemented in a laboratory hydraulic canal characterized by time-varying dynamical parameters. A comparison between the real-time responses of the fractional-order control system and those of the standard demonstrates the effectiveness of the proposed fractional-order control strategy in terms of performance and robustness.
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Acknowledgments
The writers wish to acknowledge the support provided by the International Cooperation Program of the Universidad de Castilla-La Mancha, Spain. The writers would also like to thank the journal editor and reviewers for their reviews, productive comments and recommendations, which have made the improvements to the original paper possible.
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 135 • Issue 4 • April 2009
Pages: 271 - 282
Copyright
© 2009 ASCE.
History
Received: Aug 31, 2007
Accepted: Oct 13, 2008
Published online: Apr 1, 2009
Published in print: Apr 2009
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