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Fault Detection by Continuous Dead-Beat Observation
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
1994 (English)In: Elsevier IFAC Publications / IFAC Proceedings series, ISSN 1474-6670, Vol. 27, no 5, 28-33 p.Article in journal (Refereed) Published
Abstract [en]

An application of continuous-time deadbeat observation to fault analysis in linear dynamic systems is discussed. A finite memory residual chosen as a difference of two deadbeat state vector estimates is shown to be independent of both the state vector and control signal. The mapping of the fault mode to the residual is proven to be intrinsically BIBO-stable. Exploiting a decomposition of the “sliding-window” convolution operator, an upper bound for residual norm is derived and a fault detectability condition is obtained. Due to its simple structure, the deadbeat observer does not create a hard computational burden and can be easily implemented in real-time applications.

Place, publisher, year, edition, pages
1994. Vol. 27, no 5, 28-33 p.
National Category
Control Engineering
Research subject
Control Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-64389DOI: 10.1016/S1474-6670(17)47999-7ISBN: 0-08-042222-5 (print)OAI: oai:DiVA.org:ltu-64389DiVA: diva2:1114079
Conference
IFAC Symposium on Fault Detection, Supervision, and Safety for Technical Processes : 13/06/1994 - 16/06/1994
Available from: 2017-06-22 Created: 2017-06-22 Last updated: 2017-11-29Bibliographically approved

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Medvedev, Alexander

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