Title :
An automatic coating weight control for continuous galvanizing line
Author_Institution :
Instrum. & Control Res. Group, POSCO, Pohang
Abstract :
An automatic coating weight control algorithm in POSCOpsilas CGL(Continuous Galvanizing Line) has been developed. Conventionally, coating weight control was controlled by operatorpsilas manual adjustment. Pressure and the distance between air knives and a strip target coating. The goal of the automatic coating weight control is to reduce the zinc used for coating by precise coating control as well as automation of the process. Control algorithms implemented for automatic control are preset, feedforward and feedback control. The precise and intelligent control schemes reduce over-coating weight and coating weight deviation.
Keywords :
feedback; feedforward; galvanising; intelligent control; weight control; zinc; air knives; automatic coating weight control; continuous galvanizing line; feedback control; feedforward control; intelligent control schemes; manual adjustment; strip target coating; zinc; Automatic control; Automation; Coatings; Feedback control; Galvanizing; Intelligent control; Process control; Strips; Weight control; Zinc; CGL; air knives; air pressure control; automatic coating weight control; coating weight gage;
Conference_Titel :
Control, Automation and Systems, 2008. ICCAS 2008. International Conference on
Conference_Location :
Seoul
Print_ISBN :
978-89-950038-9-3
Electronic_ISBN :
978-89-93215-01-4
DOI :
10.1109/ICCAS.2008.4694504
