Design of an industrial distributed controller near spatial domain boundaries

TitleDesign of an industrial distributed controller near spatial domain boundaries
Publication TypeConference Paper
Year of Publication2004
AuthorsMijanovic, S., G. E. Stewart, G. A. Dumont, and M. S. Davies
Conference NameAmerican Control Conference, 2004. Proceedings of the 2004
Pagination3574 - 3580 vol.4
Date Publishedjun.
Keywordsblock decentralized static output feedback problem, control system synthesis, cross directional controller, decentralised control, distributed control, feedback, industrial control, industrial distributed controller design, industrial paper machine, invariance, paper making machines, process spatial invariance, robust control, robustness criteria, spatial domain boundaries

This paper proposes modifications to an industrial paper machine cross-directional (CD) controller, initially designed assuming process spatial invariance, near the sheet edges where the assumption of spatial invariance is clearly violated. The resulting design problem is equivalent to a block-decentralized static output feedback problem. The proposed approach sequentially synthesizes each block, resulting in an internally stable loop with nominal performance and robustness criteria satisfied.


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