Modeling and control of a plastic film manufacturing web process

Hur, Sung-ho and Katebi, R. and Taylor, A. (2010) Modeling and control of a plastic film manufacturing web process. IEEE Transactions on Industrial Informatics, 7 (2). pp. 171-178. (

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This paper is concerned with the modelling of aplastic film manufacturing process and the development and implementation of a model-based Cross-Directional (CD) controller. The model is derived from first-principles and some empirical relationships. The final validated nonlinear model could provide a useful off-line platform for developing control and monitoring algorithms.A new controller is designed which has a similar structureto that of Internal Model Control (IMC) with the addition ofan observer whose gain is designed to minimise process andmodel mis-match. The observer gain is obtained by solving amulti-objective optimisation problem through the application of a genetic algorithm. The controller is applied to the nonlinear model and simulation results are presented demonstrating improvements that can be achieved by the proposed controller over two existing CD controllers.


Hur, Sung-ho ORCID logoORCID:, Katebi, R. ORCID logoORCID: and Taylor, A.;