An Omni-Azimuth Angle Sensor for Tilt Measuring Based on FBG Array

An omni-azimuth angle sensor for tilt measuring based on fiber Bragg grating (FBG) array is proposed. It is designed based on the sensitivity of FBG to axial traction. The sensor consists of a mass block and a cube frame connected by an FBG array. The FBG array consists of four FBGs. When the sensor...

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Autores principales:	Guangwei Fu, Jiaqi Cao, Jiatong Zhang, Xinghu Fu, Wa Jin, Weihong Bi
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Fiber bragg grating (FBG) angle sensor omni-azimuth axial traction Applied optics. Photonics TA1501-1820 Optics. Light QC350-467
Acceso en línea:	https://doaj.org/article/2f73fb82769341439648648d740c381e
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spelling	oai:doaj.org-article:2f73fb82769341439648648d740c381e2021-11-18T00:00:12ZAn Omni-Azimuth Angle Sensor for Tilt Measuring Based on FBG Array1943-065510.1109/JPHOT.2021.3119896https://doaj.org/article/2f73fb82769341439648648d740c381e2021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9573312/https://doaj.org/toc/1943-0655An omni-azimuth angle sensor for tilt measuring based on fiber Bragg grating (FBG) array is proposed. It is designed based on the sensitivity of FBG to axial traction. The sensor consists of a mass block and a cube frame connected by an FBG array. The FBG array consists of four FBGs. When the sensor is tilted at different angles, the axial traction of each FBG will change due to the pull of the mass block. The tilt angle of the sensing unit can be obtained by calculating the magnitude and direction of the resultant traction of the four FBGs. The array design and measurement theory of the sensor are introduced, and the sensitivity of the sensor is discussed. Experimental results show that the FBG array can be used to measure the omni-azimuth angle. The angle sensitivity varies unevenly with the tilt angle and the range of variation is 0.08 nm/° to 0.4593 nm/°. Using the spectrometer with an accuracy of 0.01 nm, the angle resolution ranges from 0.125° to 0.0218°. The array effectively extends the measurement range of the tilt sensor, and reduces the number of FBGs as much as possible on the basis of achieving omni-azimuth angle measurement.Guangwei FuJiaqi CaoJiatong ZhangXinghu FuWa JinWeihong BiIEEEarticleFiber bragg grating (FBG)angle sensoromni-azimuthaxial tractionApplied optics. PhotonicsTA1501-1820Optics. LightQC350-467ENIEEE Photonics Journal, Vol 13, Iss 6, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Fiber bragg grating (FBG) angle sensor omni-azimuth axial traction Applied optics. Photonics TA1501-1820 Optics. Light QC350-467
spellingShingle	Fiber bragg grating (FBG) angle sensor omni-azimuth axial traction Applied optics. Photonics TA1501-1820 Optics. Light QC350-467 Guangwei Fu Jiaqi Cao Jiatong Zhang Xinghu Fu Wa Jin Weihong Bi An Omni-Azimuth Angle Sensor for Tilt Measuring Based on FBG Array
description	An omni-azimuth angle sensor for tilt measuring based on fiber Bragg grating (FBG) array is proposed. It is designed based on the sensitivity of FBG to axial traction. The sensor consists of a mass block and a cube frame connected by an FBG array. The FBG array consists of four FBGs. When the sensor is tilted at different angles, the axial traction of each FBG will change due to the pull of the mass block. The tilt angle of the sensing unit can be obtained by calculating the magnitude and direction of the resultant traction of the four FBGs. The array design and measurement theory of the sensor are introduced, and the sensitivity of the sensor is discussed. Experimental results show that the FBG array can be used to measure the omni-azimuth angle. The angle sensitivity varies unevenly with the tilt angle and the range of variation is 0.08 nm/° to 0.4593 nm/°. Using the spectrometer with an accuracy of 0.01 nm, the angle resolution ranges from 0.125° to 0.0218°. The array effectively extends the measurement range of the tilt sensor, and reduces the number of FBGs as much as possible on the basis of achieving omni-azimuth angle measurement.
format	article
author	Guangwei Fu Jiaqi Cao Jiatong Zhang Xinghu Fu Wa Jin Weihong Bi
author_facet	Guangwei Fu Jiaqi Cao Jiatong Zhang Xinghu Fu Wa Jin Weihong Bi
author_sort	Guangwei Fu
title	An Omni-Azimuth Angle Sensor for Tilt Measuring Based on FBG Array
title_short	An Omni-Azimuth Angle Sensor for Tilt Measuring Based on FBG Array
title_full	An Omni-Azimuth Angle Sensor for Tilt Measuring Based on FBG Array
title_fullStr	An Omni-Azimuth Angle Sensor for Tilt Measuring Based on FBG Array
title_full_unstemmed	An Omni-Azimuth Angle Sensor for Tilt Measuring Based on FBG Array
title_sort	omni-azimuth angle sensor for tilt measuring based on fbg array
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/2f73fb82769341439648648d740c381e
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An Omni-Azimuth Angle Sensor for Tilt Measuring Based on FBG Array

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