This paper develops a detailed mathematical model of a casting drum drive in a web production process. The drive uses a flat belt to connect the casting drum itself to a drive and a brake pulley. The model includes mechanical effects, such as creep and slip between the belt and pulleys, and its parameters are obtained by a combination of calculations and experimental tests. Experimental results from a laboratory-scale model of a commercial casting drum system are used to validate the model under steady-state and transient conditions. A companion paper describes the model's application in new controller strategies, which significantly reduce drum speed variations caused by web tension changes.
MakinE.AcarnleyP. P.Speed estimation and control in a belt-driven system for a web production process: Part 2, control strategy (submitted).
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