Predictive Control Methods for MultiModel Systems
Fecha
2020-12-04Autor
Pipino, Hugo
Bernardi, Emanuel
Capelletti, Carlos A.
Adam, Eduardo J.
0000-0003-4937-6685
0000-0001-5248-9352
0009-0009-7416-6955
0000-0003-0156-9832
Metadatos
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This paper explores the design of three different approaches of robust predictive control formulations for the case of multi-model system representations. The first one is an optimum multi-objective regulator with variable gain matrix that considers a continuous time multi-model system representation and an infinite horizon; the second one is a sub-optimal linear parameter varying model predictive controller based on a discrete time multi-model system representation with finite horizon and a sequence of contractive terminal set constraint; and, at last, an adaptive model predictive controller that considers a discrete time multi-model system representation, with finite horizon and a terminal invariant set, in common to all models within the system’s polytope. Finally, these proposed methods are applied to a continuously-stirred tank reactor (CSTR) system, whose dynamic characteristics are well known and strongly non-linear. Through the simulation results, discussions are established on the design procedure, the online computational effort, the performance indexes and the application difficulties.
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