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vol.76 issue157MATHEMATICAL CORRELATIONS TO OBTAIN PRODUCTION YIELD, ASH REMOVAL, AND WATER PARTITION USING A “ONLY WATER” HYDROCYCLONECONSTRUCTION OF WELDING CURRENT VS. WIRE FEED SPEED CURVES FOR GMAW author indexsubject indexarticles search
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Abstract

GOMEZ, ALEJANDRA  and  CORREA, RODRIGO. IMPLEMENTATION OF A MULTIVARIABLE PREDICTIVE CONTROL SYSTEM IN A FIRED HEATER. Dyna rev.fac.nac.minas [online]. 2009, vol.76, n.157, pp.195-203. ISSN 0012-7353.

This article describes the application of the control strategy, the model predictive control (MPC) on oil pre-heater. It was designed and tuning using information acquired from a rigorous simulation of an existing plant. It was found that the MPC strategy improves the heater performance. From the simulations it was observed that the controlled variables were within the operational limits. The implementation of MPC increased also the heater efficiency, its operation was more stable, it was possible to increase the amount of oil heated, and the mean life time of the tubes was longer.

Keywords : Model predictive control; fired heaters; dynamic simulation.

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