Browsing OSU - International Conference on Web Handling by Author "c74f4ecd-c432-461e-87c0-23d3b10694b7"
Now showing items 1-5 of 5
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Design of fixed structure controllers for web tension control
Pagilla, P. R.; Cimino, M.; Knittel, D. (Oklahoma State University, 2007-06)It is a common practice in industry to design a Proportional-Integral (PI) velocity feedback controller cascaded with a PI outer tension loop to regulate web velocity and tension to their desired values. The controller ... -
Gauge optimization of the reference tension in winding systems using wound internal stresses calculation
Boutaous, M.; Knittel, D.; Bourgin, P. (Oklahoma State University, 2007-06)In winding process, the quality of the roll is directly connected to its stress state. The winding tension is the most significant parameter which plays an important role in the stresses generated within a roll, during ... -
Modeling and H-infinity robust control for winding systems
Koc, H.; Knittel, D.; de Mathelin, M.; Abba, G. (Oklahoma State University, 2001-06)This paper presents the modeling and the H-infinity robust control for an elastic web transport system including an unwinder, a winder and a traction motor. This model has been created using laws of Physics concerning ... -
On-line control of tension in web winding systems based on wound roll internal stress computation
Bourgin, P.; Boutaous, M.; Knittel, D. (Oklahoma State University, 2001-06)One of the key challenges in the processing of flexible media such as plastic films is to obtain rolls without any aspect defect: if one considers that a "defect" (i.e. wrinkling or buckling) is due to the fact that the ... -
Robust control design using H-infinity methods in large scale web handling systems
Knittel, D. (Oklahoma State University, 2003-06)This paper presents H-infinity control strategies for elastic web transport systems. The aim is to reduce the coupling between web tension and web transport velocity. First of all, a multivariable H., centralized controller ...