Application of an In-Line Storage Strategy to Improve the Operational Performance of Main Irrigation Canals Using Model Predictive Control
Publication: Journal of Irrigation and Drainage Engineering
Volume 139, Issue 8
Abstract
Storing water in main irrigation canal reaches could be an influential strategy to improve the existing operational activities in the irrigation canals. However, the control of such a canal system will become much more complicated due to freeboards of the reaches temporarily decreasing. In this paper, Model Predictive Control (MPC) is applied to control the water level of an accurate model of a realistic main canal, which consists of 13 canal reaches, using an in-line storage operational strategy. Four different test scenarios are selected to cover a range of conventional to unconventional operational strategies by imposing limitations on the head-gate opening. Different target bands are created between the predefined allowed maximum and minimum water level for the canal reaches and the MPC is obliged to keep the water levels within these ranges. The results show that the in-line storage improves current operational performance of the canal system by compensating the existing delay times of flow traveling in the canal and gradual increasing and decreasing of the inflow that avoids large wave occurrences in the canal reaches.
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Acknowledgments
The authors would like to thank Deltares, The Netherlands, for providing the research license of the hydrodynamic modeling package Sobek. Financial support from the HYCON2 EU-project from the ICT-FP7 is gratefully acknowledged.
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Published In
Journal of Irrigation and Drainage Engineering
Volume 139 • Issue 8 • August 2013
Pages: 635 - 644
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Jul 19, 2012
Accepted: Feb 15, 2013
Published online: Feb 18, 2013
Published in print: Aug 1, 2013
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