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Article
Multiple-Model Optimization of Proportional Integral Controllers on Canals
Journal of Irrigation and Drainage Engineering
  • P. J. van Overloop, Delft University of Technology, Delft, The Netherlands
  • J. Schuurmans, Canal Control, Bergen op Zoom, The Netherlands
  • R. Brouwer, Delft University of Technology, Delft, The Netherlands
  • Charles M. Burt, California Polytechnic State University - San Luis Obispo
Publication Date
3-1-2005
Abstract
Canals or open channels that convey water often consist of pools in series separated by control structures. Successful implementation of water-level control with these structures using decentralized proportional integral (PI) controllers depends heavily on the tuning of the control parameters. These parameters are hard to determine due to the interactions between the pools and the varying flow conditions in the canal. This paper presents a procedure for tuning any linear controller (including decentralized PI controllers) that guarantees stability of the controlled canal. It minimizes a cost function that weights the water-level deviations from the target level against control efforts at both low-and high-flow conditions. The procedure is tested on a model of the Umatilla Stanfield Branch Furnish Canal in Oregon. The tests show the capability of the procedure to deal with the pool interactions. The results of a realistic turnout schedule applied to the controlled canal show the high performance of the controllers (small water-level deviations in all pools) over varying flow conditions.
Citation Information
P. J. van Overloop, J. Schuurmans, R. Brouwer and Charles M. Burt. "Multiple-Model Optimization of Proportional Integral Controllers on Canals" Journal of Irrigation and Drainage Engineering Vol. 131 Iss. 2 (2005) p. 190 - 196
Available at: http://works.bepress.com/cburt/36/