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PCA based stress monitoring of cylindrical specimens using PZTs and guidedwaves

Author
Quiroga, J.; Mujica, L.E.; Villamizar, R.; Ruiz, M.; Camacho, J.
Type of activity
Journal article
Journal
Sensors
Date of publication
2017-12
Volume
17
Number
12
First page
1
Last page
16
DOI
https://doi.org/10.3390/s17122788 Open in new window
Repository
http://hdl.handle.net/2117/115949 Open in new window
URL
http://www.mdpi.com/1424-8220/17/12/2788 Open in new window
Abstract
Since mechanical stress in structures affects issues such as strength, expected operational life and dimensional stability, a continuous stress monitoring scheme is necessary for a complete integrity assessment. Consequently, this paper proposes a stress monitoring scheme for cylindrical specimens, which are widely used in structures such as pipelines, wind turbines or bridges. The approach consists of tracking guided wave variations due to load changes, by comparing wave statistical patterns vi...
Citation
Quiroga, J., Mujica, L.E., Villamizar, R., Ruiz, M., Camacho-Navarro, J. PCA based stress monitoring of cylindrical specimens using PZTs and guidedwaves. "Sensors", Desembre 2017, vol. 17, núm. 12, p. 1-16.
Keywords
Acoustoelasticity, Cylindrical waveguide, Guided waves, Piezoelectrics, Statistical analysis, Stress monitoring
Group of research
CoDAlab - Control, Dynamics and Applications

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