This paper deals with the application of advanced control techniques to improve the product quality in hot rolling mills. Performance improvements are obtained by modifying the controller structure. A combined control of the upper and lower servo-drive reduces the speed fluctuations; torsional oscillations can almost be eliminated by adding a disturbance observer. Extensive computer simulations show the obtainable improvements and allow an easy design of the controller
Disturbance rejection in a rolling mill
LANDI, ALBERTO;SANI, LUCA
1998-01-01
Abstract
This paper deals with the application of advanced control techniques to improve the product quality in hot rolling mills. Performance improvements are obtained by modifying the controller structure. A combined control of the upper and lower servo-drive reduces the speed fluctuations; torsional oscillations can almost be eliminated by adding a disturbance observer. Extensive computer simulations show the obtainable improvements and allow an easy design of the controllerFile in questo prodotto:
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