Design and performance evaluation of FBG-based temperature sensors network

Q2 Social Sciences

Advances in Engineering Education Pub Date : 2017-11-01 DOI:10.1109/PIERS-FALL.2017.8293590

S. Spolitis, I. Lyashuk, V. Bobrovs

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引用次数: 12

Abstract

The present paper investigates performance of flexible fiber Bragg grating (FBG) sensors network model designed in VPItransmissionMaker simulation software. We report on three optical temperature sensors network based on FBG gratings with different central Bragg reflection wavelength values and standard ITU-T G.652 single mode fiber (SMF). We have used amplified spontaneous emission (ASE) source as low-cost incoherent broadband light source and optical spectrum analyzer for interrogation of sensors' signals in our network model. In this paper it is shown, that it is important to evaluate FBG sensors' central Bragg reflection wavelengths and bandwidth of reflected signals, to avoid the spectral overlapping of adjacent sensors, while to be sure that each sensor is working in its assigned wavelength slot. As the spacing between FBG sensors in optical spectrum has an important role on the performance of the whole sensor network, we have investigated minimal spacing intervals for FBG temperature sensors working in temperature range from — 20°C up to +40°C under different network operation scenarios.

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基于fbg的温度传感器网络设计与性能评估

本文研究了在VPItransmissionMaker仿真软件中设计的柔性光纤布拉格光栅(FBG)传感器网络模型的性能。本文报道了三种基于不同中心布拉格反射波长值的光纤光栅和标准ITU-T G.652单模光纤(SMF)的光学温度传感器网络。在我们的网络模型中，我们使用了放大自发发射(ASE)源作为低成本的非相干宽带光源和光谱分析仪来对传感器信号进行查询。在本文中，为了避免相邻传感器的频谱重叠，同时确保每个传感器都在其指定的波长槽中工作，评估FBG传感器的中心布拉格反射波长和反射信号的带宽是重要的。由于光纤光栅传感器之间的光谱间距对整个传感器网络的性能具有重要作用，我们研究了不同网络运行场景下在- 20°C至+40°C温度范围内工作的光纤光栅温度传感器的最小间距间隔。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advances in Engineering Education Social Sciences-Education

CiteScore

2.90

自引率

0.00%

发文量

期刊介绍： The journal publishes articles on a wide variety of topics related to documented advances in engineering education practice. Topics may include but are not limited to innovations in course and curriculum design, teaching, and assessment both within and outside of the classroom that have led to improved student learning.