Efeito da Função Objetivo no Controle Preditivo Baseado em Modelo (MPC) (Objective function with economic cost in MPC)

Abel Fidalgo Alves (afalves3@uem.br)1, Cid Marcos Gonçalves Andrade (cmgandrade@uem.br)1, Mauro Antonio da Silva Sa Ravagnani (massravagnani@uem.br)1

1Universidade Estadual de Maringa

This paper appears in: Revista IEEE América Latina

Publication Date: Nov. 2017
Volume: 15,   Issue: 11 
ISSN: 1548-0992

The Model Based Predictive Control (MPC) is an advanced control technique that can deal with of multivariable systems with interactions and considerable dead times, nonlinearities and restrictions on the variables. Different types of objective functions can be used in the MPC control algorithm with specific parameter settings for each type of objective function. In this work a MPC control strategy for distillation column using an objective function with economic cost was implemented. The MPC controller with the objective function proposed worked properly, stabilizing the distillation column when it has undergone a change in the setpoint and also a series of disturbances in the feed. Using energy point of view, the implemented controller is more efficient than the standard MPC controller.

Index Terms:
distillation, Predictive Control, Objective Function   

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