A unified Smith predictor based on the spectral decomposition of the plant

Qing Chang Zhong, George Weiss*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

We point out a numerical problem in the well-known modified Smith predictor and propose a unified Smith predictor (USP) which overcomes this problem. The proposed USP combines the classical Smith predictor with the modified one, after a spectral decomposition of the plant. We then derive an equivalent representation of the original delay system, together with the USP. Based on this representation, we give a controller parameterization and we solve the standard H2 problem.

Original languageEnglish
Pages (from-to)1362-1371
Number of pages10
JournalInternational Journal of Control
Volume77
Issue number15
DOIs
StatePublished - 15 Oct 2004
Externally publishedYes

Funding

FundersFunder number
Engineering and Physical Sciences Research CouncilGR/S61256/01

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