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Robust shape control in a Sendzimir cold-rolling steel mill
Bates, D.G.; Ringwood, John; Holohan, A.M.
The shape control problem for a Sendzimir 20-roll cold rolling steel mill is characterised by operation over a wide range of conditions arising from roll changes, changes in rolling schedules and changes in material gauge, width and hardness. Previous approaches to the problem suggest storing a large number of precompensator matrices to cater for the full range of operating conditions. This paper, on the other hand, attempts to synthesise a controller which is optimally robust to changes in the conditions associated with the rolling cluster, resulting in a reduced storage requirement for the controlling computer. The performance of the robust controller is evaluated via nonlinear simulation.
Keyword(s): steel manugfacture; shape control; robust control; gain scheduling
Publication Date:
Type: Journal article
Peer-Reviewed: Yes
Institution: Maynooth University
Citation(s): Bates, D.G. and Ringwood, John and Holohan, A.M. (1997) Robust shape control in a Sendzimir cold-rolling steel mill. Control Engineering Practice, 5 (12). pp. 1647-1652. ISSN 0967-0661
Publisher(s): Pergamon
File Format(s): other
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First Indexed: 2018-06-08 06:00:10 Last Updated: 2018-06-08 06:00:10