Control of FGC System Based on Multi-model Adaptive Control Method

The change of entry gauge is very large when the flying gauge varies in tandem cold rolling mills, and the speed of identification convergence with a traditional self-adaptive controller is slower than that of parameters changing. In order to deal with this problem, an adaptive multi-model control method was proposed, by which simulations on a 5-stand tandem cold rolling mill were carried out. It is found that the system has a satisfied speed, stability and precision.