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A minimal polynomial basis solution to residual generation for fault diagnosis in linear systems
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering, Vehicular Systems.
Linköping University, The Institute of Technology. Linköping University, Department of Electrical Engineering.
2001 (English)In: Automatica, ISSN 0005-1098, E-ISSN 1873-2836, Vol. 37, no 9, 1417-1424 p.Article in journal (Refereed) Published
Abstract [en]

A fundamental part of a fault diagnosis system is the residual generator. Here a new method, the minimal polynomial basis approach, for design of residual generators for linear systems, is presented. The residual generation problem is transformed into a problem of finding polynomial bases for null-spaces of polynomial matrices. This is a standard problem in established linear systems theory, which means that numerically efficient computational tools are generally available. It is shown that the minimal polynomial basis approach can find all possible residual generators and explicitly those of minimal order. © 2001 Elsevier Science Ltd. All rights reserved.

Place, publisher, year, edition, pages
2001. Vol. 37, no 9, 1417-1424 p.
Keyword [en]
Decoupling, Diagnosis, Disturbance rejection, Fault detection, Polynomial methods
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-47271DOI: 10.1016/S0005-1098(01)00078-4OAI: oai:DiVA.org:liu-47271DiVA: diva2:268167
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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Frisk, ErikNyberg, Mattias

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