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Continuous-, discre...
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Christiansson, Anna-Karin,1947-Högskolan Väst,Avd för automation och datateknik
(author)
Continuous-, discrete- and sampled-data- H∞ control - a unified framework
- Article/chapterEnglish2000
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LIBRIS-ID:oai:DiVA.org:hv-7882
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https://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-7882URI
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https://doi.org/10.1109/CDC.2000.912146DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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We present a unified and general framework for H∞-control in both continuous time, discrete time and combinations of these. The general result is a hybrid continuous-/discrete-time H∞-controller. Using a compact hybrid notation, the work shows a close relationship between the continuous-and discrete-time solutions. In fact, the pure continuous and discrete time equations may be obtained as two similar interpretations of the general result. There are no assumptions made on certain system matrices being zero or normalised, e.g. D11 = 0. The method is Riccati equation (RE) based, and it is shown how the continuous REs can be "lifted" into discrete ones reflecting the system behaviour during the period. Typical applications are control of continuous-time or discrete-time periodic systems, as well as multirate and sampled-data control, including mixed continuous and sampled-data measurements.
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Lennartson, BengtChalmers University of Technology, Control Engineering Lab, SE-41 2 96 Goteborg, Sweden
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Toivonen, H.Åbo Akademi University, Department of Chemical Engineering, FIN-20500 Abo, Finland
(author)
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Högskolan VästAvd för automation och datateknik
(creator_code:org_t)
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In:IEEE Proceedings2, s. 1936-19410191-2216
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