Fiber Bragg Grating (FBG)-Based Pore Pressure Sensor Utilizing Bellows System

IF 4.3 2区综合性期刊 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Sensors Journal Pub Date : 2024-12-30 DOI:10.1109/JSEN.2024.3521011

W. A. F. W. Burhanuddin;Harith Ahmad;M. S. M. Sa’Ad;M. A. Alias;M. F. Ismail

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引用次数: 0

Abstract

This study presents the design, fabrication, and performance evaluation of an optical fiber Bragg grating (FBG)-based pore pressure sensor for geotechnical borehole applications. The sensor comprises a cylindrical body, 3-D, printed from polylactic acid (PLA) material, with dimensions of 40 mm in diameter and 155 mm in length. The transducer holding the FBG utilizes a square bellows design and was 3-D printed using thermoplastic polyurethane (TPU) material, taking advantage of its good flexibility. This transducer was positioned inside a cylindrical housing to allow pore pressure measurement to take place effectively. Two FBGs, denoted FBG P and FBG T, were used to measure pore pressure and temperature, respectively. The experimental results demonstrate a pressure sensitivity of 1.224 pm/kPa for FBG P with a linearity of 99.41%. Besides that, the results also demonstrate FBG T’s effectiveness in giving temperature compensation to FBG P during pore pressure measurement. This innovative sensor design offers a compact and versatile solution for pore pressure measurement in geotechnical applications, combining the benefits of FBG technology with 3-D printing capabilities.

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来源期刊

IEEE Sensors Journal 工程技术-工程：电子与电气

CiteScore

7.70

自引率

14.00%

发文量

2058

审稿时长

5.2 months

期刊介绍： The fields of interest of the IEEE Sensors Journal are the theory, design , fabrication, manufacturing and applications of devices for sensing and transducing physical, chemical and biological phenomena, with emphasis on the electronics and physics aspect of sensors and integrated sensors-actuators. IEEE Sensors Journal deals with the following: -Sensor Phenomenology, Modelling, and Evaluation -Sensor Materials, Processing, and Fabrication -Chemical and Gas Sensors -Microfluidics and Biosensors -Optical Sensors -Physical Sensors: Temperature, Mechanical, Magnetic, and others -Acoustic and Ultrasonic Sensors -Sensor Packaging -Sensor Networks -Sensor Applications -Sensor Systems: Signals, Processing, and Interfaces -Actuators and Sensor Power Systems -Sensor Signal Processing for high precision and stability (amplification, filtering, linearization, modulation/demodulation) and under harsh conditions (EMC, radiation, humidity, temperature); energy consumption/harvesting -Sensor Data Processing (soft computing with sensor data, e.g., pattern recognition, machine learning, evolutionary computation; sensor data fusion, processing of wave e.g., electromagnetic and acoustic; and non-wave, e.g., chemical, gravity, particle, thermal, radiative and non-radiative sensor data, detection, estimation and classification based on sensor data) -Sensors in Industrial Practice