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Fbg Sensor

Strain behaviour of exposed steel reinforcement bars using FBG sensor

Strain behaviour of exposed steel reinforcement bars using FBG sensor

... (FBG) sensor in the development of structural health monitoring (SHM) have increased significantly due to its small size and the potential to provide a mean of remote detection with high precision and ...

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The Circular Birefringence Insensitive FBG Sensor for Weak Pressure

The Circular Birefringence Insensitive FBG Sensor for Weak Pressure

... Either way, there exist cross-sensitivity problems. In wavelength detection, the centre wavelength will change not only with the strain, but also with the temperature [7]. Similarly, in polarization detection, the ...

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Sensors for Harsh Environment: Radiation Resistant FBG Sensor System

Sensors for Harsh Environment: Radiation Resistant FBG Sensor System

... The sensor performance is realized by Type I FBG sensors, written into pho- tosensitive fibres using a UV-laser-based phase mask technique and their performance were evaluated in radiation environment using ...

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Optimized FBG sensor network for efficient detection of a delamination in FRP structures

Optimized FBG sensor network for efficient detection of a delamination in FRP structures

... Nomenclature APP Application BIO Biomedical Composites DES Design and Optimisation DUR Durability FIR Fire Performance FRA Fracture, Creep & Fatigue FWE Friction and Wear GCC GreenC emen[r] ...

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An investigation of effective detection length of a localized micro-failure in a laminated thin composite plate using FBG sensor integrated AE system

An investigation of effective detection length of a localized micro-failure in a laminated thin composite plate using FBG sensor integrated AE system

... Nomenclature APP Application BIO Biomedical Composites DES Design and Optimisation DUR Durability FIR Fire Performance FRA Fracture, Creep & Fatigue FWE Friction and Wear GCC GreenC emen[r] ...

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Estimation of strain of distorted FBG sensor spectra using a fixed FBG filter circuit and an artificial neural network

Estimation of strain of distorted FBG sensor spectra using a fixed FBG filter circuit and an artificial neural network

... and sensor networks is one of technologies that will shape the future of ...biological sensor processing and artificial smart information processing (AI) regarding isolated single sensor systems, not ...

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Research on Machine Tool Spindle System with Embedded FBG Temperature Sensors

Research on Machine Tool Spindle System with Embedded FBG Temperature Sensors

... And FBG sensor arrays are easily made by connecting several Bragg gratings written at different center wavelengths in one line by using wavelength division multiplexing (WDM) technology, and the complicated ...

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Simulation of fibre Bragg grating (FBG) reflection spectrums using OptiGrating

Simulation of fibre Bragg grating (FBG) reflection spectrums using OptiGrating

... The research was limited by the sophistication and accuracy of the finite element analysis. The FEA was not able to simulate the micromechanics acting on the sensor, nor was it capable of considering transverse ...

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Response Analysis of a Plate Structure under Double Source Excitation by FBG Sensors

Response Analysis of a Plate Structure under Double Source Excitation by FBG Sensors

... of FBG is based on the Bragg wavelength reflection or transmis- sion spectrum ...the FBG sensor is composed of a wavelength tunable laser, an optical coupler and a ...the FBG through an ...

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Embedded FBG sensors for structural health monitoring of advanced composite structures

Embedded FBG sensors for structural health monitoring of advanced composite structures

... the sensor in place and it easily was moved by ...the sensor in place but it was found that using it excessively caused a dry area that the resin didn’t adhere to during ...the FBG sensor ...

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Response of FBG-bonded plastic plate at different locations of applied stress

Response of FBG-bonded plastic plate at different locations of applied stress

... the FBG fiber, while [14] used a SPC connector fiber for the termination of the FBG sensor in the reflection mode with an optical circulator between the FBG and optical source to rectify the ...

7

Response of FBG-bonded graphene plate at different applied stress location

Response of FBG-bonded graphene plate at different applied stress location

... a FBG-bonded-graphene plate at different applied stress location is ...35.9-mm FBG sensor bonded onto the surface of a graphene ...the FBG changes for location of applied ...

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Application of FBG Sensing Technology in Stability Analysis of Geogrid-Reinforced Slope

Application of FBG Sensing Technology in Stability Analysis of Geogrid-Reinforced Slope

... installing FBG sensors on the geogrids, smart geogrids can both reinforce and monitor the stability for geogrid-reinforced ...by FBG sensor can be applied to evaluate the stability of ...

9

Analysis of Energy Density Spectrum of Lowvelocity Impact in Honeycomb Sandwich Panel with FBG

Analysis of Energy Density Spectrum of Lowvelocity Impact in Honeycomb Sandwich Panel with FBG

... (FBG) sensor is ...the sensor signal is obvious in thirteenth order and energy size is related to the distance and angle between the impact point and ...

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Detecting delamination in a composite structure using an embedded FBG-AE hybrid system

Detecting delamination in a composite structure using an embedded FBG-AE hybrid system

... of FBG based monitoring system. In this research paper we introduce a “FBG-AE hybrid system” concept for the detection of delaminations in composite structures which uses same FBG sensor ...

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The developments of structural health/integrity monitoring systems using FBG sensors at CEEFC of USQ

The developments of structural health/integrity monitoring systems using FBG sensors at CEEFC of USQ

... the FBG sensor has often been applied in conventional health monitoring ...embedded FBG sensors to measure internal strain and investigated the change of spectral shapes and change of strain in the ...

6

Investigation of the Effect of Bonding Points on Metal Surface-Mounted FBG Sensors for Electric Machines

Investigation of the Effect of Bonding Points on Metal Surface-Mounted FBG Sensors for Electric Machines

... an FBG sensor measurement usually outputs wavelength shift (Δ λ B ) and power level (dBm) ...only FBG signature for condition monitoring ...the FBG spectrum, and the noise floor, thus it ...

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Temperature Controlled SLD Source for Spectrally Multiplexed FBG Sensors

Temperature Controlled SLD Source for Spectrally Multiplexed FBG Sensors

... an FBG sensor system is a proper source, the development of a new and improved superluminescent diode based optical system is proposed and its characteristics when used to illuminate Fiber Bragg Grating ...

7

Solid-state interferometric interrogator and multiplexer for high-speed dynamic and absolute FBG wavelength measurement

Solid-state interferometric interrogator and multiplexer for high-speed dynamic and absolute FBG wavelength measurement

... solid-state FBG array interrogator and multiplexer capable of determining absolute FBG wavelengths and of providing high-speed, high-resolution static and dynamic ...initial sensor wavelengths and ...

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Interferometric time division FBG interrogator and multiplexer with static, dynamic, and absolute wavelength measurement capabilities

Interferometric time division FBG interrogator and multiplexer with static, dynamic, and absolute wavelength measurement capabilities

... in FBG sensor reflected wavelengths to be calculated instantaneously upon arrival, and incorporates a technique for identification of initial absolute sensor wavelengths in order to overcome the ...

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