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Robust Control of a Laboratory Hydraulic Canal by Using a Fractional PI Controller

[+] Author Affiliations
Luis Sánchez Rodríguez

University of Castilla - La Mancha, Toledo, Spain

Vicente Feliu Batlle, Miguel Ángel Ruíz Torija

University of Castilla - La Mancha, Ciudad Real, Spain

Raúl Rivas Pérez

Havan Polytechnic University, La Habana, Cuba

Paper No. DETC2007-34670, pp. 1307-1315; 9 pages
doi:10.1115/DETC2007-34670
From:
  • ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 5: 6th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B, and C
  • Las Vegas, Nevada, USA, September 4–7, 2007
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4806-X | eISBN: 0-7918-3806-4
  • Copyright © 2007 by ASME

abstract

A fractional order control strategy has been implemented in an automated laboratory hydraulic canal characterized to present time-varying dynamical parameters. A method for tuning a fractional order PI controller that makes the hydraulic canal control system robust to process parameters variations has been proposed too. Experiments have been carried out in our laboratory hydraulic canal, and the fractional controller has been implemented in an industrial SCADA (Supervisory Control And Data Acquisition) control and supervision system. The comparison between the response of our fractional PI controller and the standard PI controller proved the effectiveness of the proposed fractional order control strategy in terms of performance and robustness.

Copyright © 2007 by ASME

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