La Houille Blanche
Number 3-4, Juin 2001
|Page(s)||86 - 90|
|Published online||01 July 2009|
Modélisation et commande robuste de systèmes barrage-rivière
Modeling and robust control of dam-river systems
Cemagref, UR IRMO, Montpellier
Regulated rivers are used in many countries to sustain summer low flows and supply water for different users (drinking water, industries, irrigation, hydropower, salubrity). An upstream dam is used as a storage and the river is used as a channel to convey water to water users. The paper deals with the automatic control of such systems, where the action variable is the upstream discharge released by the dam and the controlled variable the downstream discharge of the river. As there are multiple outputs given by intermediate measurements points distributed along the river, the system is considered as a system with multiple outputs and one input, the discharge at the dam. A generic robust design synthesis is developed for internal model based controllers and applied to the river Gimone, located in the "Coteaux de Gascogne". Simulations carried out on a nonlinear model of the river show the improvement compared to present semi-manual regulation.
© Société Hydrotechnique de France, 2001
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