Rayleigh-based distributed optical fiber sensing

L Palmieri, L Schenato, M Santagiustina, A Galtarossa - Sensors, 2022 - mdpi.com
Distributed optical fiber sensing is a unique technology that offers unprecedented
advantages and performance, especially in those experimental fields where requirements …

Strain transfer effect on measurements with distributed fiber optic sensors

M Yan, X Tan, S Mahjoubi, Y Bao - Automation in Construction, 2022 - Elsevier
Strain transfer phenomenon in distributed fiber optic sensors (DFOS) has shown significant
effects on sensor survival and measurement of strain distributions as well as detection and …

Strain transfer effect in distributed fiber optic sensors under an arbitrary field

X Tan, Y Bao, Q Zhang, H Nassif, G Chen - Automation in Construction, 2021 - Elsevier
Optical fibers with protective coatings have been used as distributed strain sensors for
automated inspection in the construction, operation, and maintenance of various …

Crack monitoring on concrete structures with distributed fiber optic sensors—Toward automated data evaluation and assessment

B Richter, M Herbers, S Marx - Structural Concrete, 2024 - Wiley Online Library
The ability to measure strains quasi‐continuously with high spatial resolution makes
distributed fiber optic sensing a promising technology for structural health monitoring as it …

Inverse analysis of strain distributions sensed by distributed fiber optic sensors subject to strain transfer

S Mahjoubi, X Tan, Y Bao - Mechanical Systems and Signal Processing, 2022 - Elsevier
Strains measured by distributed fiber optic sensors with protective coatings can be different
from the real strains in host matrix due to strain transfer effect. This study presents a novel …

Crack shape coefficient: comparison between different DFOS tools embedded for crack monitoring in concrete

T Howiacki, R Sieńko, Ł Bednarski, K Zuziak - Sensors, 2023 - mdpi.com
The article presents research on the performance of different distributed fibre optic sensing
(DFOS) tools, including both layered cables and monolithic composite sensors. The main …

Strain modal testing with fiber bragg gratings for automotive applications

F Falcetelli, A Martini, R Di Sante, M Troncossi - Sensors, 2022 - mdpi.com
Strain Modal Testing (SMT), based on strain sensors signal processing, is an
unconventional approach to perform Experimental Modal Analysis which is typically based …

Strain data correction of distributed optical fiber sensors using strain transfer model with variable shear lag parameters

F Liu, Q Xu, Y Liu - Automation in Construction, 2022 - Elsevier
Distributed optical fiber sensing techniques have been widely utilized in the field of structural
health monitoring (SHM) of civil structures. However, strain measurements from distributed …

A general solution to determine strain profile in the core of distributed fiber optic sensors under any arbitrary strain fields

X Chapeleau, A Bassil - Sensors, 2021 - mdpi.com
Despite recent publications, the strain transfer in distributed optical fiber sensors is still often
overlooked and poorly understood. In the first part of this paper, strain transfer is shown to be …

Research on the methodology of development and calibration of flexible encapsulated fiber Bragg grating sensors

Y Liu, J Xie, S Liu, Y Zhao, Y Zhu, G Qi - Measurement, 2022 - Elsevier
This study developed a type of flexible Fiber Bragg Grating (FBG) sensor and proposed
appropriate calibration methods. Strain transfer theory-based calculations were utilized to …