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Irrigation canal system identification for control purposes
Sepúlveda Toepfer, Carlos; Rodellar Benedé, José
Universitat Politècnica de Catalunya. Institut d'Organització i Control de Sistemes Industrials; Universitat Politècnica de Catalunya. ACES - Control Avançat de Sistemes d'Energia
This report gives some guidance on how to obtain black-box models of irrigation canal reaches, using system identification techniques. First of all, some general properties of the irrigation canal reaches are deducted, based on the use of the linearized Sain-Venant equations to model the water behavior. Then different aspects of the system identification procedure like the sampling time, the model structure, the experiment design, etc., are studied, in order to avoid possible modelling problems and, in that manner, obtain a good linear model capable to be used in control systems designs. The results obtained in the time domain and the frequency domain show that one can achieve very accurate models, if the system identification procedure is designed with care having in mind the intrinsic properties of the system. The research reveals that it is not convenient to perform a black-box irrigation canal system identification, without having a certain knowledge of the system.
Àrees temàtiques de la UPC::Informàtica::Automàtica i control
Àrees temàtiques de la UPC::Enginyeria civil::Enginyeria hidràulica, marítima i sanitària::Canals i regadius
Irrigation canals and flumes
Automatic control
Irrigation canal raches
Automatic control
Control automàtic
Control automático
Sèquies -- Automatització
Canals -- Control
Attribution-NonCommercial-NoDerivs 2.5 Spain

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