Strain and damage monitoring in CFRP fuselage panels using fiber Bragg grating sensors. Part II: Mechanical testing and validation

Růžek, Roman; Kudrna, P.; Kadlec, Martin; Karachalios, Evangelos; Τσερπές, Κωνσταντίνος

doi:10.1016/j.compstruct.2013.09.056

Cited by 40 publications

(28 citation statements)

References 25 publications

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“…Several studies have been conducted on the application of FBG sensors in composite structures. 11,[13][14][15][16] In our recent experimental developments, the authors have successfully implemented the FBG sensors for real-time process monitoring and defect identification. In the first study, 17,18 an array of two FBGs was embedded between the second and third plies of composite laminate consist of 10 plies.…”

Section: Original Research Papermentioning

confidence: 99%

In-situ simultaneous measurement of strain and temperature in automated fiber placement (AFP) using optical fiber Bragg grating (FBG) sensors

Oromiehie

Prusty

Compston

et al. 2017

Advanced Manufacturing: Polymer & Composites Science

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Section: Original Research Papermentioning

confidence: 99%

In-situ simultaneous measurement of strain and temperature in automated fiber placement (AFP) using optical fiber Bragg grating (FBG) sensors

Oromiehie

Prusty

Compston

et al. 2017

Advanced Manufacturing: Polymer & Composites Science

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“…Dvorak et al [22] embedded FBG sensors into the carbon/epoxy spar caps and in the adhesive joints of a glass/epoxy composite wing to monitor strains during a static loads test. Ruzek et al [23] embedded FBGs in carbon-fiber reinforced plastic (CFRP) fuselage stiffened panels and performed …”

Section: Fbg Monitoring Of Large Scale Structuresmentioning

confidence: 99%

Large Scale Applications Using FBG Sensors: Determination of In-Flight Loads and Shape of a Composite Aircraft Wing

Nicolas¹,

Sullivan²,

Richards

2016

Aerospace

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Abstract:Technological advances have enabled the development of a number of optical fiber sensing methods over the last few years. The most prevalent optical technique involves the use of fiber Bragg grating (FBG) sensors. These small, lightweight sensors have many attributes that enable their use for a number of measurement applications. Although much literature is available regarding the use of FBGs for laboratory level testing, few publications in the public domain exist of their use at the operational level. Therefore, this paper gives an overview of the implementation of FBG sensors for large scale structures and applications. For demonstration, a case study is presented in which FBGs were used to determine the deflected wing shape and the out-of-plane loads of a 5.5-m carbon-composite wing of an ultralight aerial vehicle. The in-plane strains from the 780 FBG sensors were used to obtain the out-of-plane loads as well as the wing shape at various load levels. The calculated out-of-plane displacements and loads were within 4.2% of the measured data. This study demonstrates a practical method in which direct measurements are used to obtain critical parameters from the high distribution of FBG sensors. This procedure can be used to obtain information for structural health monitoring applications to quantify healthy vs. unhealthy structures.

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“…The initial imperfections and defects of the specimen will affect the buckling load and failure load of the specimen [26][27][28][29]. The key dimensions (Fig.…”

Section: Test Set-upmentioning

confidence: 99%

Effect of the stiffener stiffness on the buckling and post-buckling behavior of stiffened composite panels – Experimental investigation

Zhu

Yan

Zhi

et al. 2015

Composite Structures

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Strain and damage monitoring in CFRP fuselage panels using fiber Bragg grating sensors. Part II: Mechanical testing and validation

Cited by 40 publications

References 25 publications

In-situ simultaneous measurement of strain and temperature in automated fiber placement (AFP) using optical fiber Bragg grating (FBG) sensors

In-situ simultaneous measurement of strain and temperature in automated fiber placement (AFP) using optical fiber Bragg grating (FBG) sensors

Large Scale Applications Using FBG Sensors: Determination of In-Flight Loads and Shape of a Composite Aircraft Wing

Effect of the stiffener stiffness on the buckling and post-buckling behavior of stiffened composite panels – Experimental investigation

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