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Direct reduced order discretization of continuous-time controller

Anderson, Brian; Chongsrid, Krit; Limebeer, David JN; Hara, Shinji


In this paper, we investigate the problem of closed-loop approximation of a continuous-time controller by a low-order discrete-time controller with sample and hold devices and an anti-aliasing filter. The problem is first reduced to an open-loop problem of sampled-data controller reduction with continuous-time weights. The operator representing the error in approximation can be approximated (arbitrarily closely) by a time-invariant discrete-time system resulting from applying fast sampling and...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: International Journal of Robust and Nonlinear Control
DOI: 10.1002/(SICI)1099-1239(199903)9:3<143::AID-RNC397>3.0.CO;2-O


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