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Shift-invariant signal norms for fault detection and control
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0001-8893-4809
2008 (English)In: Systems & control letters (Print), ISSN 0167-6911, E-ISSN 1872-7956, Vol. 57, no 2, p. 105-111Article in journal (Refereed) Published
Abstract [en]

Two desirable properties of a signal norm to be used for the purpose of optimal control or fault detection are highlighted. These properties are shift-invariance and the permitting of persistent signals. A class of norms, called the window norms, is analyzed. Among norms considered for control purposes, they appear to be the only ones, save the L∞-norm, that satisfy both properties. The signal spaces defined by the window norms, however, include some interesting signals that are not in the L∞-space. The window norms have been found suitable for application in fault detection and are here also considered for optimal control. It is shown that they can be taken as a support for the concept of L1-control but may also suggest a new class of optimal controllers.

Place, publisher, year, edition, pages
2008. Vol. 57, no 2, p. 105-111
National Category
Control Engineering
Research subject
Control Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-14185DOI: 10.1016/j.sysconle.2007.07.002ISI: 000252937000001Scopus ID: 2-s2.0-37049035555Local ID: d899b3e0-70dc-11dc-a60c-000ea68e967bOAI: oai:DiVA.org:ltu-14185DiVA, id: diva2:987139
Note
Validerad; 2008; 20071002 (andreasj)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Johansson, Andreas

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