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Acoustic emission for monitoring aircraft structures

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Acoustic emission for monitoring aircraft structures. / Holford, K. M.; Pullin, R.; Evans, S. L. et al.
In: Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Vol. 223, No. 5, 05.2009, p. 525-532.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Holford, KM, Pullin, R, Evans, SL, Eaton, MJ, Hensman, J & Worden, K 2009, 'Acoustic emission for monitoring aircraft structures', Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, vol. 223, no. 5, pp. 525-532. https://doi.org/10.1243/09544100JAERO404

APA

Holford, K. M., Pullin, R., Evans, S. L., Eaton, M. J., Hensman, J., & Worden, K. (2009). Acoustic emission for monitoring aircraft structures. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 223(5), 525-532. https://doi.org/10.1243/09544100JAERO404

Vancouver

Holford KM, Pullin R, Evans SL, Eaton MJ, Hensman J, Worden K. Acoustic emission for monitoring aircraft structures. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering. 2009 May;223(5):525-532. Epub 2009 Jan 6. doi: 10.1243/09544100JAERO404

Author

Holford, K. M. ; Pullin, R. ; Evans, S. L. et al. / Acoustic emission for monitoring aircraft structures. In: Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering. 2009 ; Vol. 223, No. 5. pp. 525-532.

Bibtex

@article{d60d73e0652545cd8e36a790206b8bfb,
title = "Acoustic emission for monitoring aircraft structures",
abstract = "Structural health monitoring (SHM) is of paramount importance in the aircraft industry: not only to ensure the safety and reliability of aircraft in flight and to ensure timely maintenance of critical components, but also increasingly to monitor structures under test for airworthiness certification of new designs. This article highlights some of the recent advances in the acoustic emission (AE) technique as applied to SHM, and the new approaches that are crucial for the successful use of AE data for diagnostic purposes. These include modal analysis, enhanced location techniques, and novel signal processing approaches. A case study is presented on a landing gear component undergoing fatigue loading in which a linear location analysis using conventional techniques identified the position of fracture and final rupture of the specimen. A principal component analysis approach was used to separate noise signals from signals arising from fatigue cracks, which identified and located further fatigue crack positions, subsequently confirmed by magnetic particle inspection. Kernel probability density functions are used to aid visualization of the damage location.",
keywords = "Acoustic emission, Aircraft components, Fatigue cracks, Fault detection, Fault location, Principal component analysis, Signal processing",
author = "Holford, {K. M.} and R. Pullin and Evans, {S. L.} and Eaton, {M. J.} and J. Hensman and K. Worden",
year = "2009",
month = may,
doi = "10.1243/09544100JAERO404",
language = "English",
volume = "223",
pages = "525--532",
journal = "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering",
issn = "0954-4100",
publisher = "SAGE Publications Ltd",
number = "5",

}

RIS

TY - JOUR

T1 - Acoustic emission for monitoring aircraft structures

AU - Holford, K. M.

AU - Pullin, R.

AU - Evans, S. L.

AU - Eaton, M. J.

AU - Hensman, J.

AU - Worden, K.

PY - 2009/5

Y1 - 2009/5

N2 - Structural health monitoring (SHM) is of paramount importance in the aircraft industry: not only to ensure the safety and reliability of aircraft in flight and to ensure timely maintenance of critical components, but also increasingly to monitor structures under test for airworthiness certification of new designs. This article highlights some of the recent advances in the acoustic emission (AE) technique as applied to SHM, and the new approaches that are crucial for the successful use of AE data for diagnostic purposes. These include modal analysis, enhanced location techniques, and novel signal processing approaches. A case study is presented on a landing gear component undergoing fatigue loading in which a linear location analysis using conventional techniques identified the position of fracture and final rupture of the specimen. A principal component analysis approach was used to separate noise signals from signals arising from fatigue cracks, which identified and located further fatigue crack positions, subsequently confirmed by magnetic particle inspection. Kernel probability density functions are used to aid visualization of the damage location.

AB - Structural health monitoring (SHM) is of paramount importance in the aircraft industry: not only to ensure the safety and reliability of aircraft in flight and to ensure timely maintenance of critical components, but also increasingly to monitor structures under test for airworthiness certification of new designs. This article highlights some of the recent advances in the acoustic emission (AE) technique as applied to SHM, and the new approaches that are crucial for the successful use of AE data for diagnostic purposes. These include modal analysis, enhanced location techniques, and novel signal processing approaches. A case study is presented on a landing gear component undergoing fatigue loading in which a linear location analysis using conventional techniques identified the position of fracture and final rupture of the specimen. A principal component analysis approach was used to separate noise signals from signals arising from fatigue cracks, which identified and located further fatigue crack positions, subsequently confirmed by magnetic particle inspection. Kernel probability density functions are used to aid visualization of the damage location.

KW - Acoustic emission

KW - Aircraft components

KW - Fatigue cracks

KW - Fault detection

KW - Fault location

KW - Principal component analysis

KW - Signal processing

U2 - 10.1243/09544100JAERO404

DO - 10.1243/09544100JAERO404

M3 - Journal article

AN - SCOPUS:69249146455

VL - 223

SP - 525

EP - 532

JO - Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering

JF - Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering

SN - 0954-4100

IS - 5

ER -