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Nonlinear model predictive control applied to concentrated solar power plants

: Dettmer, R.J.; Costa Mendes, P.R. da; Normey-Rico, J.E.

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IFAC-PapersOnLine 53 (2020), Nr.2, S.12745-12750
ISSN: 2405-8963
ISSN: 1474-6670
International Federation of Automatic Control (IFAC World Congress) <21, 2020, Online>
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer ITWM ()

This papers presents a nonlinear model predictive controller (NMPC) for temperature control in solar collector fields. The proposed NMPC uses feedback linearization for handling the systems nonlinearities in a mixed integer quadratic programming (MIQP) formulation that makes the constraints convex in the new coordinates, making the controller solution an optimal one. Several simulations are shown with real data and a validated model of solar field to illustrate the advantages of the proposed strategy over other general-purpose NMPC methods, showing great improvement in constraint satisfaction.