Screw Loosening Monitoring in UAV Wing Box Based on Phased Array Theory

Ya Jie Sun; Yong Hong Zhang; Shen Fang Yuan

doi:10.4028/www.scientific.net/AMM.303-306.533

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 303-306Screw Loosening Monitoring in UAV Wing Box Based...

Screw Loosening Monitoring in UAV Wing Box Based on Phased Array Theory

Abstract:

Phased array theory was utilized in the unmanned aerial vehicle (UAV) wing box to identify the screw loosening in the structure. Phased array theory could well control the beam steering of Lamb wave to the desired directions to scan the structure for damage recognition. The time delay in special direction was calculated for the beam steering of the signal. The recognition result was shown on a mapped image.

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Periodical:

Applied Mechanics and Materials (Volumes 303-306)

Pages:

533-537

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.303-306.533

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Online since:

February 2013

Authors:

Ya Jie Sun, Yong Hong Zhang, Shen Fang Yuan

Keywords:

Mapped Image, Phased Array Theory, Structural Health Monitoring (SHM), Time Delay

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References

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