2015
IMAACA 2015 Proceeding
Modeling, identification and a first control approach on the quality of flames in oil furnaces
Authors: Agenor T. Fleury, Danilo S. Chui, Flavio C. Trigo, Flavius P. R. Martins
Abstract
In industrial oil furnaces, unstable flames can lead to potentially dangerous conditions. Elaborate control systems are used to monitor the parameters of the process to avoid those problems. Current trends in research seek to identify a priori anomalous behavior of the flames, thus improving the time response of the control system. Controller performance is directly affected by the accuracy of the system model. Unfortunately, due to the complexity of the process, physical models of flame propagation are still not faithful enough for control purposes. Conversely, could the complex dynamics of flame propagation be described in terms of an identified assumed model, the control strategy could be improved. In this work, a control technique based on an Operational Modal Analysis model identification of a state-space description of oil flame dynamics in a prototype furnace is designed. Results obtained suggest that the proposed approach might be used in an automated control system.
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