激光与光电子学进展, 2016, 53 (2): 022801, 网络出版: 2016-01-22
一种基于LabVIEW 的准分布式光纤光栅传感解调系统设计 下载: 999次
A Quasi Distributed Fiber Bragg Grating Sensing Demodulation System Design Based on LabVIEW
传感器 准分布式传感解调 光纤布拉格光栅 解调技术 sensors quasi distributed sensing demodulation optical fiber Bragg grating LabVIEW LabVIEW demodulation technology
摘要
针对光纤布拉格光栅(FBG)准分布式传感解调系统进行了专门的研究。结合准分布式传感解调信息混杂、动态范围大等特点,自行搭建了FBG 传感解调系统。以实验室现有的复合传感器为平台,基于LabVIEW 软件,开发出一种适用于光纤光栅准分布式传感解调的测试平台,使得承载有温度、压力、流量信息的波长变化智能区分,并通过相应计算将被测物理量实时显示。通过实验,对温度、压力、流量传感器分别进行了标定,得出相应的计算参数;通过综合实验,系统分辨出了不同物理量的波长值并直接显示被测量,实现了高精度可视化实时显示的目的,验证了系统设计的可行性与可靠性。
Abstract
In view of the optical fiber Bragg grating(FBG) quasi distributed sensing demodulation system, a specialized study is studied. In view of mixed information, large dynamic range and other characteristics in quasi distributed sensing demodulation system, a FBG sensing demodulation system is set. Using laboratory existing composite sensor as a platform, based on the LabVIEW software, a suitable system for distributed optical fiber grating sensor demodulation is designed, which makes the temperature, pressure, flow information based on wavelength changes are distinguished intelligently and the physical quantities measured are displayed real-time through the corresponding calculation. Through this experiment, the temperature sensor, pressure sensor and flow sensor are calibrated respectively, the parameters are calculated; through the comprehensive experiment, the system identified the wavelength value of different physical quantities and displayed physical quantities directly, realized the purpose of the high precision visualization and real-time display,verified the feasibility and reliability of the system design.
王鹏致, 刘春桐, 李洪才, 吴荣晶. 一种基于LabVIEW 的准分布式光纤光栅传感解调系统设计[J]. 激光与光电子学进展, 2016, 53(2): 022801. Wang Pengzhi, Liu Chuntong, Li Hongcai, Wu Rongjing. A Quasi Distributed Fiber Bragg Grating Sensing Demodulation System Design Based on LabVIEW[J]. Laser & Optoelectronics Progress, 2016, 53(2): 022801.