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Article
Engineering, Electrical & Electronic
Dequan Feng et al.
Summary: This paper presents a fiber Bragg grating (FBG) sensor capable of simultaneous temperature and pressure measurement, which is experimentally verified. The sensor consists of a diaphragm, a special-shaped bracket, dual FBGs, and protective housing. The principle of simultaneous temperature and pressure measurement with dual FBGs is theoretically illustrated and simulated. Experimental results show that the sensor can measure temperature ranging from 50 degrees C to 200 degrees C and pressure from 0 to 40 MPa. The sensor exhibits high temperature resistance, large measuring range, miniaturized structure, and easy multiplexing, making it suitable for temperature and pressure measurement in high-temperature and high-pressure environments such as oil and gas wells.
IEEE SENSORS JOURNAL
(2023)
Article
Engineering, Electrical & Electronic
Xujin Li et al.
Summary: In this paper, a fiber Bragg grating (FBG) pressure sensor based on a spring-diaphragm elastic structure (SDES) is described for measuring ultimate pressure. The sensor has a stable linear relationship between the FBG central wavelength and external pressure, making it suitable for extreme pressure conditions. It has a high sensitivity and can be used for applications such as deep sea detection, oil exploration, and chemical monitoring.
IEEE SENSORS JOURNAL
(2022)
Article
Engineering, Electrical & Electronic
Dongpo Xu et al.
Summary: This study proposes a small-sized sensor with a diaphragm and lever structure for high-temperature and high-pressure environments. The sensor's pressure sensitivity and temperature sensitivity are measured, showing high precision and potential for application in oil and gas wells.
IEEE SENSORS JOURNAL
(2022)
Article
Chemistry, Physical
Zhongyan Liu et al.
Summary: A non-intrusive and high-sensitivity structure for continuously monitoring pipeline pressure based on FBG sensor is proposed in this study. The structure demonstrates good strain sensitivity and its functionality is verified through laboratory experiments. It shows promising prospects for practical application.
Article
Optics
Qinggeng Fan et al.
Summary: A highly sensitive fiber Bragg grating (FBG) based square diaphragm pressure sensor has been designed and verified both in theory and experiment, demonstrating excellent pressure sensitivity and a high coefficient of determination. The sensor exhibits low hysteresis, good repeatability, and resolution, with remarkable temperature compensation. It is cost-effective, suitable for low pressure measurement, and has a relative error of 3.13%.
Article
Multidisciplinary Sciences
Hongying Guo et al.
Summary: This paper introduces a fiber Bragg grating-based pressure sensor for high temperature environments, with a simple structure and validated design through structural modeling and finite element analysis. The sensor underwent further pressure and temperature calibration, leading to improvements in its high temperature encapsulation and proving its effectiveness in pressure measurement at temperatures ranging from 100°C to 250°C. This study provides a feasible sensing device for high-temperature pressure detection.
Article
Engineering, Electrical & Electronic
Xiaobin Liu et al.
Summary: The proposed pressure sensor utilizes dual fiber Bragg grating, a diaphragm, and a hinge-lever structure to achieve high sensitivity and small size. It compensates for temperature cross-sensitivity by using an additional FBG to accurately measure ambient temperature. Sensing experiments show that the pressure sensitivity is 5.227 pm/kPa within the range of 0-1.0 MPa, making it suitable for accurate and stable pressure measurement in oil and gas pipelines.
IEEE SENSORS JOURNAL
(2021)
Article
Optics
Yen-Te Ho et al.
Summary: The study presents a multilevel monitoring system (MLMS) developed using fiber Bragg grating (FBG) technology to observe the depth-discrete aquifer status. Laboratory and field tests demonstrated high accuracy and stability of the system in measuring groundwater parameters.
Article
Engineering, Electrical & Electronic
Luca Schenato et al.
Summary: This study utilizes an FBG sensor to measure water levels in a dike, with a 3D-printed mechanical transducer that can operate in harsh environments. Successfully tested at the Water Proof Holland facility in The Netherlands, the sensor has potential for real-world applications in challenging conditions.
IEEE SENSORS JOURNAL
(2021)
Article
Engineering, Electrical & Electronic
Gautam Hegde et al.
Summary: The temperature compensated diaphragm-type Fiber Bragg Grating (FBG) sensor has a pressure sensitivity of 3.64 pm/bar and can measure pressures up to 700 bar with a non-linearity + Hysteresis error of 0.75%. It is developed for high pressure measurement applications, including space, and has been validated through structural and thermal stress analyses.
MICROELECTRONIC ENGINEERING
(2021)
Article
Engineering, Electrical & Electronic
Shuangshuang Li et al.
Summary: The high-reliability acceleration sensor based on fiber Bragg grating (FBG) is designed to solve the low-reliability issue of existing optical fiber acceleration sensors in the field of petroleum and natural gas resources exploration. It uses inertial force to detect vibration signals and is packaged with solder glass to maintain stability in harsh environments. Through theoretical calculation and experimental verification, the sensor demonstrates excellent stability in high temperatures and has high measuring accuracy.
OPTICAL FIBER TECHNOLOGY
(2021)
Review
Optics
Rui Min et al.
Summary: Optical fiber sensors have advantages such as resistance to electromagnetic interference, durability under extreme conditions, high transmission rate, small size, and flexibility, making them attractive for marine environment and structural health monitoring. They can be used for various sensing applications and are expected to have widespread use in marine research in the future.
OPTICS AND LASER TECHNOLOGY
(2021)
Review
Optics
E. Vorathin et al.
OPTICS AND LASER TECHNOLOGY
(2020)
Article
Physics, Applied
Venkata Satya Chidambara Swamy Vaddadi et al.
EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS
(2020)
Article
Engineering, Electrical & Electronic
Zheng Hong-kun et al.
SENSORS AND ACTUATORS A-PHYSICAL
(2020)
Article
Engineering, Electrical & Electronic
Mingyao Liu et al.
IEEE SENSORS JOURNAL
(2020)
Article
Optics
Gaofeng Ren et al.
Article
Optics
E. Vorathin et al.
OPTICS AND LASER TECHNOLOGY
(2018)
Article
Engineering, Electrical & Electronic
Ya-Fei Gu et al.
IEEE PHOTONICS TECHNOLOGY LETTERS
(2016)
Proceedings Paper
Optics
K. Srimannarayana et al.
OPTICAL SENSING AND DETECTION III
(2014)
Article
Optics
Vengal Rao Pachava et al.
JOURNAL OF OPTICS-INDIA
(2014)
Article
Engineering, Multidisciplinary
Jun Huang et al.
Proceedings Paper
Automation & Control Systems
Hou Qingmin et al.
2013 FIFTH INTERNATIONAL CONFERENCE ON MEASURING TECHNOLOGY AND MECHATRONICS AUTOMATION (ICMTMA 2013)
(2013)
Article
Engineering, Electrical & Electronic
Zhanxiong Wei et al.
IEEE SENSORS JOURNAL
(2008)
