Low Cost Fiber Bragg Grating( FBG) Sensors for Structural Health Monitoring INITIAL PROJECT REPORT
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Miniature Fiber Bragg Grating Sensor Interrogator (FBG-TransceiverTM) System For Use in Aerospace and Automotive Health Monitoring Systems
Fiber Bragg grating sensors (FBGs) have gained rapid acceptance in aerospace and automotive structural health monitoring applications for the measurement of strain, stress, vibration, acoustics, acceleration, pressure, temperature, moisture, and corrosion distributed at multiple locations within the structure using a single fiber element. The most prominent advantages of FBGs are: small size an...
متن کاملStrain Measurement of Composite Laminates Using Fiber Bragg Grating Sensors
Fiber Bragg grating(FBG) sensors, one of the fiber optic sensors(FOS), based on the wavelength division multiplexing(WDM) technology are ideally suitable for structural health monitoring of composite materials and structures. Proper monitoring of measurands in FBG sensor systems requires accurate measurement of the Bragg center wavelength, and the ability to track rapid shifts of the wavelength...
متن کاملStudy on Dynamic Response Measurement of the Submarine Pipeline by Full-Term FBG Sensors
The field of structural health monitoring is concerned with accurately and reliably assessing the integrity of a given structure to reduce ownership costs, increase operational lifetime, and improve safety. In structural health monitoring systems, fiber Bragg grating (FBG) is a promising measurement technology for its superior ability of explosion proof, immunity to electromagnetic interference...
متن کاملDevelopment of Fiber Bragg Grating Sensor System Using Wavelength-swept Fiber Laser
Fiber Bragg grating (FBG) sensors based on the wavelength division multiplexing technology are ideally suited for structural health monitoring. In many applications, it is desirable to form several arrays of optical fiber sensors to monitor the response of structures. In the present study, we constructed an improved FBG sensor system using a wavelength-swept fiber laser which exhibits high outp...
متن کاملDevelopment of Optical Fiber Bragg Grating Sensors for Structural Health Monitoring
A fiber Bragg grating (FBG) sensor with heat resistance was produced via a point microfabrication technique using a femtosecond pulse laser. The FBG sensor was reinforced by weaving with a carbon fiber tape. As a result, both high strength and a structure for mounting the sensor were readily incorporated. In a high-temperature tolerance evaluation of the FBG sensor, the temperature and strain w...
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تاریخ انتشار 2011