Structural health monitoring of composite-based uavs using simultaneous fiber-optic interrogation by static rayleigh-based distributed sensing and dynamic fiber bragg grating point sensors

Moshe Tur; Ido Sovran; Arik Bergman; Avi Motil; Osher Shapira; Uri Ben-Simon; Iddo Kressel

doi:10.1117/12.2195173

Structural health monitoring of composite-based uavs using simultaneous fiber-optic interrogation by static rayleigh-based distributed sensing and dynamic fiber bragg grating point sensors

Moshe Tur, Ido Sovran, Arik Bergman, Avi Motil, Osher Shapira, Uri Ben-Simon, Iddo Kressel

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

21 Scopus citations

Abstract

Embedded fiber-optic strain sensing networks for airworthy assessment of operational Unmanned Aerial Vehicles (UAVs) are presented. Sensing is based on in-flight fiber Bragg grating technology, as well as on on-ground Rayleighbackscattering distributed strain sensing. While the in-flight instrumentation monitors loads, looking for excessive values, the Rayleigh-based technique is used for high spatial resolution strain distribution along the UAV wings, under prescribed loading. Consistency of measurements over time indicates structural integrity. Simultaneous strain measurements using both distributed Rayleigh and fiber Bragg gratings, on the same fiber, promises to combine high spatial resolution, though practically static measurements with dynamic, though discrete ones.

Original language	English
Title of host publication	24th International Conference on Optical Fibre Sensors, OFS 2015
Editors	Hypolito Jose Kalinowski, Jose Luis Fabris, Wojtek J. Bock
Publisher	SPIE
ISBN (Electronic)	9781628418392
DOIs	https://doi.org/10.1117/12.2195173
State	Published - 2015
Externally published	Yes
Event	24th International Conference on Optical Fibre Sensors, OFS 2015 - Curitiba, Brazil Duration: 28 Sep 2015 → 2 Oct 2015

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	9634
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	24th International Conference on Optical Fibre Sensors, OFS 2015
Country/Territory	Brazil
City	Curitiba
Period	28/09/15 → 2/10/15

Keywords

Fiber bragg grating
Fiber optic sensors
Rayleigh backscattering
Structural health monitoring

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10.1117/12.2195173

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Tur, M., Sovran, I., Bergman, A., Motil, A., Shapira, O., Ben-Simon, U., & Kressel, I. (2015). Structural health monitoring of composite-based uavs using simultaneous fiber-optic interrogation by static rayleigh-based distributed sensing and dynamic fiber bragg grating point sensors. In H. J. Kalinowski, J. L. Fabris, & W. J. Bock (Eds.), 24th International Conference on Optical Fibre Sensors, OFS 2015 Article 96340P (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9634). SPIE. https://doi.org/10.1117/12.2195173

Tur, Moshe ; Sovran, Ido ; Bergman, Arik et al. / Structural health monitoring of composite-based uavs using simultaneous fiber-optic interrogation by static rayleigh-based distributed sensing and dynamic fiber bragg grating point sensors. 24th International Conference on Optical Fibre Sensors, OFS 2015. editor / Hypolito Jose Kalinowski ; Jose Luis Fabris ; Wojtek J. Bock. SPIE, 2015. (Proceedings of SPIE - The International Society for Optical Engineering).

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title = "Structural health monitoring of composite-based uavs using simultaneous fiber-optic interrogation by static rayleigh-based distributed sensing and dynamic fiber bragg grating point sensors",

abstract = "Embedded fiber-optic strain sensing networks for airworthy assessment of operational Unmanned Aerial Vehicles (UAVs) are presented. Sensing is based on in-flight fiber Bragg grating technology, as well as on on-ground Rayleighbackscattering distributed strain sensing. While the in-flight instrumentation monitors loads, looking for excessive values, the Rayleigh-based technique is used for high spatial resolution strain distribution along the UAV wings, under prescribed loading. Consistency of measurements over time indicates structural integrity. Simultaneous strain measurements using both distributed Rayleigh and fiber Bragg gratings, on the same fiber, promises to combine high spatial resolution, though practically static measurements with dynamic, though discrete ones.",

keywords = "Fiber bragg grating, Fiber optic sensors, Rayleigh backscattering, Structural health monitoring",

author = "Moshe Tur and Ido Sovran and Arik Bergman and Avi Motil and Osher Shapira and Uri Ben-Simon and Iddo Kressel",

note = "Publisher Copyright: {\textcopyright} 2015 SPIE.; 24th International Conference on Optical Fibre Sensors, OFS 2015 ; Conference date: 28-09-2015 Through 02-10-2015",

year = "2015",

doi = "10.1117/12.2195173",

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Tur, M, Sovran, I, Bergman, A, Motil, A, Shapira, O, Ben-Simon, U & Kressel, I 2015, Structural health monitoring of composite-based uavs using simultaneous fiber-optic interrogation by static rayleigh-based distributed sensing and dynamic fiber bragg grating point sensors. in HJ Kalinowski, JL Fabris & WJ Bock (eds), 24th International Conference on Optical Fibre Sensors, OFS 2015., 96340P, Proceedings of SPIE - The International Society for Optical Engineering, vol. 9634, SPIE, 24th International Conference on Optical Fibre Sensors, OFS 2015, Curitiba, Brazil, 28/09/15. https://doi.org/10.1117/12.2195173

Structural health monitoring of composite-based uavs using simultaneous fiber-optic interrogation by static rayleigh-based distributed sensing and dynamic fiber bragg grating point sensors. / Tur, Moshe; Sovran, Ido; Bergman, Arik et al.
24th International Conference on Optical Fibre Sensors, OFS 2015. ed. / Hypolito Jose Kalinowski; Jose Luis Fabris; Wojtek J. Bock. SPIE, 2015. 96340P (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9634).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Tur, Moshe

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AU - Motil, Avi

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AB - Embedded fiber-optic strain sensing networks for airworthy assessment of operational Unmanned Aerial Vehicles (UAVs) are presented. Sensing is based on in-flight fiber Bragg grating technology, as well as on on-ground Rayleighbackscattering distributed strain sensing. While the in-flight instrumentation monitors loads, looking for excessive values, the Rayleigh-based technique is used for high spatial resolution strain distribution along the UAV wings, under prescribed loading. Consistency of measurements over time indicates structural integrity. Simultaneous strain measurements using both distributed Rayleigh and fiber Bragg gratings, on the same fiber, promises to combine high spatial resolution, though practically static measurements with dynamic, though discrete ones.

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Tur M, Sovran I, Bergman A, Motil A, Shapira O, Ben-Simon U et al. Structural health monitoring of composite-based uavs using simultaneous fiber-optic interrogation by static rayleigh-based distributed sensing and dynamic fiber bragg grating point sensors. In Kalinowski HJ, Fabris JL, Bock WJ, editors, 24th International Conference on Optical Fibre Sensors, OFS 2015. SPIE. 2015. 96340P. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2195173

Structural health monitoring of composite-based uavs using simultaneous fiber-optic interrogation by static rayleigh-based distributed sensing and dynamic fiber bragg grating point sensors

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Keywords

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