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EXPERIMENTAL VALIDATION OF A STRUCTURAL HEALTH MONITORING METHODOLOGY: PART II. NOVELTY DETECTION ON A GNAT AIRCRAFT

✍ Scribed by G. MANSON; K. WORDEN; D. ALLMAN

Publisher: Elsevier Science
Year: 2003
Tongue: English
Weight: 509 KB
Volume: 259
Category: Article
ISSN: 0022-460X
DOI: 10.1006/jsvi.2002.5167

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✦ Synopsis

This paper concerns the second phase of an experimental validation programme for a structural health monitoring methodology based on novelty detection. This phase seeks to apply one of the methods considered in the first stage of the work on a more realistic structure, namely the wing of a Gnat aircraft, as opposed to the previously investigated laboratory structure. The novelty detection algorithm used is that of outlier analysis and damage is introduced by making several copies of an inspection panel, each with a different controlled fault. All of these faults were detectable, a single feature was highlighted which proved capable of separating all the fault conditions from the unfaulted.

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