Studying the impact of intermittent variations using sensitivity analysis

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dc.contributor.authorKhan, S.
dc.contributor.authorPhillips, P.
dc.contributor.authorJennions, Ian K.
dc.date.accessioned2016-06-22T09:12:26Z
dc.date.available2016-06-22T09:12:26Z
dc.date.issued2015-10-01
dc.description.abstractFault diagnostics focuses on the detection, identification and isolation of failures. However, this becomes challenging when investigating fault alarms that cannot be verified, diagnosed or even duplicated under standard manual inspection regimes. To improve system effectiveness, it is essential to investigate these instances, along with the effects of design parameters on system dynamic characteristics. Recent research has identified intermittent fault behaviour within components as one of the primary focuses for false alarms, and hence a direct consequence to the phenomenon of 'no fault found'. This paper examines the performance characteristics of an electronic system under intermittent component variations. Understanding occurrences in parameter deviations (and their impact) can help with understanding the requirements for improving system fault tolerance. It is shown that, in many cases of practical importance, components do not have the same sensitivity to intermittent variations and hence can be better suited for monitoring. The analysis provides extra information and guidance for the maintenance decision-making process in organisations on resource requirements.en_UK
dc.identifier.citationKhan, S., Phillips, P., Jennions I. (2015) Studying the impact of intermittent variations using sensitivity analysis, International Journal of Condition Monitoring, Vol. 5, Iss. 3, pp. 6-11en_UK
dc.identifier.issn2047-6426
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/9992
dc.language.isoenen_UK
dc.publisherBritish Institute of Non-destructive Testingen_UK
dc.rightsAttribution-Non-Commercial-No Derivatives 3.0 Unported (CC BY-NC-ND 3.0). You are free to: Share — copy and redistribute the material in any medium or format. The licensor cannot revoke these freedoms as long as you follow the license terms. Under the following terms: Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Information: Non-Commercial — You may not use the material for commercial purposes. No Derivatives — If you remix, transform, or build upon the material, you may not distribute the modified material. No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.en_UK
dc.subjectSensitivity analysisen_UK
dc.subjectNo fault founden_UK
dc.subjectFourier seriesen_UK
dc.subjectMathematical modellingen_UK
dc.subjectModel-based fault detectionen_UK
dc.titleStudying the impact of intermittent variations using sensitivity analysisen_UK
dc.typeArticleen_UK

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