Double fault distinguishability in linear systems

Jan Maciej Kościelny , Zofia Łabęda-Grudziak


This paper develops a new approach to double fault isolation in linear systems with the aid of directional residuals. The method of residual generation for computational as well as internal forms is applied. Isolation of double faults is based on the investigation of the coplanarity of the residual vector with the planes defined by the individual pairs of directional fault vectors. Additionally, the method of designing secondary residuals, which are structured and directional, is proposed. These transformations allow achieving various isolation properties. It is shown that double fault distinguishability can be improved by decomposing the observed residual vector along the response directions. The described methods are illustrated with a simple computational example.
Author Jan Maciej Kościelny (FM / IACR)
Jan Maciej Kościelny,,
- The Institute of Automatic Control and Robotics
, Zofia Łabęda-Grudziak (FM / IACR)
Zofia Łabęda-Grudziak,,
- The Institute of Automatic Control and Robotics
Journal seriesInternational Journal of Applied Mathematics & Computer Science, ISSN 1641-876X
Issue year2013
PagesInternational Journal of Applied Mathematics & Computer Science
Keywords in English faults isolation, double fault, fault distinguishability, directional and structured residuals, secondary residuals, linear systems
ASJC Classification2604 Applied Mathematics; 2201 Engineering (miscellaneous); 1701 Computer Science (miscellaneous)
Languageen angielski
JMK_AMCS_2013_23_2_12.pdf 324.03 KB
Score (nominal)25
Score sourcejournalList
ScoreMinisterial score = 25.0, 04-02-2020, ArticleFromJournal
Ministerial score (2013-2016) = 25.0, 04-02-2020, ArticleFromJournal
Publication indicators Scopus Citations = 6; WoS Citations = 6; GS Citations = 4.0; Scopus SNIP (Source Normalised Impact per Paper): 2013 = 1.588; WoS Impact Factor: 2013 = 1.39 (2) - 2013=1.317 (5)
Citation count*4 (2015-05-04)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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