Blast furnace process control

Abstract Developed control strategy for blast furnace control is based on black box principles. The control system has two levels. At the basic level, classical control approaches are used. The process level is a combination of model based and AI approaches. Developed models are used in real time for furnace state estimation and prediction as well as for decision support. The efficiency of the control systemes based on local dynamic optimisation. The control system was applied on blast furnace No.3 at VSŽ Kosice, Slovakia.