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Embedded OMTDR Sensor for Small Soft Fault Location on Aging Aircraft Wiring Systems

W.B. Hassen 1 M.G. Roman 1 B. Charnier 1 N. Ravot 1 A. Dupret 1 A. Zanchetta 2 F. Morel 2
1 DACLE-LIST - Département d'Architectures, Conception et Logiciels Embarqués-LIST
2 Nicomatic
Abstract : Based on OMTDR technology, the first embedded Smart Connector (SmartCo) which could locate very small soft defects resulting from partial degradation of cables is introduced in this paper. To do so, the SmartCo injects the generated OMTDR signal at an extremity of the cable and then listens to the echoes created at each discontinuity of the cable characteristic impedance. Since soft defects result in faint reflected energy, they are hard to distinguish from the noise. Hence, the SmartCo uses an innovative approach based on advanced post-processing methods data fusion to eliminate false alarms and to determine the small soft fault position.
Keywords : Embedded systems Fusion reactions Processing Characteristic impedance Innovative approaches OMTDR Partial degradation Post processing Postprocessing methods Reflectometry SmartCo Defects Data handling Data fusion Cables
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https://hal-cea.archives-ouvertes.fr/cea-01838134
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Submitted on : Friday, July 13, 2018 - 10:28:35 AM
Last modification on : Saturday, June 26, 2021 - 3:41:03 AM

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W.B. Hassen, M.G. Roman, B. Charnier, N. Ravot, A. Dupret, et al.. Embedded OMTDR Sensor for Small Soft Fault Location on Aging Aircraft Wiring Systems. Procedia Engineering, Elsevier, 2016, 168, pp.1698-1701. ⟨10.1016/j.proeng.2016.11.493⟩. ⟨cea-01838134⟩

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