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Title: Modelling and PI Control of an Irrigation Canal
Authors: Litrico, Xavier
Fromion, Vincent
Baume, Jean Pièrre
Rijo, Manuel
Keywords: Open-channel system
Saint-Venant model
PI control
Time delay systems
performance limitations
Issue Date: Sep-2003
Abstract: The main goal of this paper is to expose and validate a methodology to design efficient automatic controllers for irrigation canals, based on the Saint-Venant model. This model-based methodology enables to design controllers at the design stage (when the canal is not already built). The methodology is applied on an experimental canal located in Portugal. First the full nonlinear PDE model is calibrated, using a single steady-state experiment. The model is then linearized around a functioning point, in order to design linear PI controllers. Two classical control strategies are tested (local upstream control and distant downstream control) and compared on the canal. The experimental results show the effectiveness of the model.
Type: lecture
Appears in Collections:ICAAM - Comunicações - Em Congressos Científicos Internacionais

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