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Towards an Improved Hierarchical Control Strategy for a Solar Thermal Power Plant

This paper improves a recently proposed two- layer hierarchical control strategy for the ACUREX plant at the Plataforma Solar de Almería. Improvements target the lower layer of the two-layer hierarchical control strategy. Two alternative systematic approaches are proposed and evaluated. The two approaches take explicit account of the measured disturbances. Improvements are illustrated by way of some simulation scenarios and measured data from the ACUREX plant.