Fiber Bragg Grating Sensors toward Structural Health Monitoring in Composite Materials: Challenges and Solutions

Kinet, Damien; Mégret, Patrice; Goossen, K.W.; Qiu, Liang; Heider, Dirk; Caucheteur, Christophe

doi:10.3390/s140407394

Cited by 443 publications

(266 citation statements)

References 119 publications

(130 reference statements)

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“…Since the first fiber Bragg grating (FBG) sensors were invented in 1989 [39], they have been widely used for measurements of strain and temperature in many fields such as civil engineering [40], composite materials [41], power systems [42], and satellites [43]. The FBG sensors are light-weight and small; there is no electrical power at the sensing points; and the sensors are immune to electromagnetic interference (EMI).…”

Section: Fiber Optic Sensormentioning

confidence: 99%

In Situ Stress Measurement Techniques on Li-ion Battery Electrodes: A Review

Cheng

Pecht

2017

Energies

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Li-ion batteries experience mechanical stress evolution due in part to Li intercalation into and de-intercalation out of the electrodes, ultimately resulting in performance degradation. In situ measurements of electrode stress can be used to analyze stress generation factors, verify mechanical deformation models, and validate degradation mechanisms. They can also be embedded in Li-ion battery management systems when stress sensors are either implanted in electrodes or attached on battery surfaces. This paper reviews in situ measurement methods of electrode stress based on optical principles, including digital image correlation, curvature measurement, and fiber optical sensors. Their experimental setups, principles, and applications are described and contrasted. This literature review summarizes the current status of these stress measurement methods for battery electrodes and discusses recent developments and trends.

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Section: Fiber Optic Sensormentioning

confidence: 99%

In Situ Stress Measurement Techniques on Li-ion Battery Electrodes: A Review

Cheng

Pecht

2017

Energies

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“…The advantages of the Lamb wave method are the ability of long-distance transmission and high sensitivity to both the surface and the internal defects [7]. Lamb waves comprise symmetric and asymmetric modes that can propagate independently of the other.…”

Section: Ultrasonics-based Damage Detectionmentioning

confidence: 99%

Review on structural health interrogation using fiber bragg grating sensors

Šķēls

Janeliukštis

Haritonovs

2018

Engineering for Rural Development

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Abstract. Fibre Bragg Grating sensors are optical fibre sensors that are now widely used in civil, mechanical and aerospace engineering for structural health monitoring and damage detection purposes. Typical parameters to be measured are strain and temperature, but also rotation, pressure, vibrations, the distance between stationary and moving or rotating components and concentration of chemical substances can be registered. These sensors have numerous advantages with respect to their piezoelectric counterparts, such as light weight, small dimensions, immunity to electromagnetic interference caused by nearby electronic devices. One of the most notable advantages of Fibre Bragg Grating sensors is the multiplexing capability, meaning that several tens to hundreds of sensors can be stacked together to increase the number of measurement points. This is a key advantage in structural health monitoring and damage detection in aerospace, pavement, bridge and other structures, where numerous points on the structure are subjected to high stresses. Moreover, fibre optical sensors are fully passivethey are capable of functioning without power supply. This review paper deals with highlighting the usage of Fibre Bragg Grating sensors in structural health monitoring and damage detection in various types of structures, namely, civil structures (bridges, pavements) and lightweight structures (aircraft, thin-walled composites), thus underlining a great significance of these sensors in structural safety.Keywords: optical fibre, FBG sensors, damage detection, SHM. Optical sensors overviewOptical fibres consist of two concentric silica layers, namely, the core and the cladding. The small differences in refractive index between both layers ensure the condition of total internal reflection of light inside the fibres, making the optical fibres efficient waveguides. Fibre optical sensors (FOS) comprise the core with a diameter of about 8 µm made of silica doped with germanium oxide and a cladding layer with a diameter of 125 µm made of pure silica. The smallest signal attenuation 0.2 dB/km is achieved at the wavelength of 1.550 nm [1].The essential difference between conventional and fibre optical sensors (FOS) is that FOS are passive -they are capable of fully functioning without power supply. Providing electrical power to the sensor in remote areas for road pavements, bridges or aircraft can be a very difficult task. FOS are sensitive to temperature, pressure, strain, gas concentration, vibrations, the distance between stationary and moving or rotating components, etc. and the raw FOS measurements are in a form of wavelength information, which is analysed and processedto reveal the vital information about the health state of the structure [2]. Optical sensors also provide higher accuracy compared to electronic analogues. This is due to the fact that the light wavelength is much shorter (1.3-1.5 µm) than the radio waves used in wireless systems (in GHz, wavelength measured in centimetres).The most promising type of fibre optic sensors ...

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“…Presently, optical fibre sensors are widely used as an alternative for structural sensing and health monitoring applications in composites, aerospace, marine and civil engineering [59][60][61]. One of the newest application areas for their use is in the railway industry.…”

Section: Strain Gaugementioning

confidence: 99%

State-of-the-Art Review of Railway Track Resilience Monitoring

2018

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Abstract:In recent years, railway systems have played a significant role in transportation systems due to the demand increase in conveying both cargo and passengers. Due to the harsh environments and severe loading conditions, caused by the traffic growth, heavier axles and vehicles and increase in speed, railway tracks are at risk of degradation and failure. Condition monitoring has been widely used to support the health assessment of civil engineering structures and infrastructures. In this context, it was adopted as a powerful tool for an objective assessment of the railway track behaviour by enabling real-time data collection, inspection and detection of structural degradation. According to relevant literature, a number of sensors can be used to monitor track behaviour during the train passing under harsh environments. This paper presents a review of sensors used for structural monitoring of railway track infrastructure, as well as their application to sense the performance of different track components during extreme events. The insight into track monitoring for railways serving traffic with extreme features will not only improve the track inspection and damage detection but also enable a predictive track maintenance regime in order to assist the decision-making process towards more cost-effective management in the railway industry.

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Fiber Bragg Grating Sensors toward Structural Health Monitoring in Composite Materials: Challenges and Solutions

Cited by 443 publications

References 119 publications

In Situ Stress Measurement Techniques on Li-ion Battery Electrodes: A Review

In Situ Stress Measurement Techniques on Li-ion Battery Electrodes: A Review

Review on structural health interrogation using fiber bragg grating sensors

State-of-the-Art Review of Railway Track Resilience Monitoring

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