高分辨率和高精度光纤倾斜传感器及其校准

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

IEEE Sensors Journal Pub Date : 2024-06-11 DOI:10.1109/JSEN.2024.3409825

Jianjun Pan;Wei Hou;Chao Lin;Chengwei Bao;Yahong Li

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引用次数: 0

摘要

倾角测量在结构安全监测中至关重要。本文提出了一种基于法布里-珀罗（F-P）干涉仪的高分辨率、高精度光纤倾斜传感器。固定有 F-P 滤波器的钢片一端与质量块相连，另一端与基座的旋转轴相连，从而形成一个简单的摆锤结构。传感器的倾斜会导致光的入射角发生变化，从而引起中心波长的移动。本文详细介绍了传感器的结构设计和测量原理，并对传感器原型进行了综合性能测试。实验测试结果表明，该传感器在 -3° 至 3° 范围内灵敏度高、重复性好、滞后小，测量分辨率可达 0.0007°。采用反向传播（BP）神经网络校准方法使传感器的测量精度达到±0.009°。本文设计的倾斜传感器具有结构简单、精度高、分辨率高、稳定性好等特点，适用于小范围内的微小角度测量。

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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High-Resolution and High-Accuracy Fiber-Optic Tilt Sensor and Its Calibration

The inclination angle measurement is crucial in structural safety monitoring. In this article, a high-resolution and high-accuracy fiber-optic tilt sensor based on the Fabry-Perot (F-P) interferometer is proposed. One end of the steel sheet fixed with an F-P filter is connected to a mass block, and the other end is connected to the revolution axis of the pedestal, thus forming a simple pendulum structure. The tilt of the sensor will cause the incident angle of the light to change, which will cause the center wavelength to shift. The structure design and measurement principle of the sensor are given in detail, and the comprehensive performance test of the sensor prototype is carried out. The experimental test results show that the sensor has high sensitivity, good repeatability, and low hysteresis in the range of −3° to 3°, and the measurement resolution can reach 0.0007°. The backpropagation (BP) neural network calibration method is used to make the measurement accuracy of the sensor reach ±0.009°. The tilt sensor designed in this article has the characteristics of simple structure, high accuracy, high resolution, and good stability, which is suitable for tiny angle measurement in small range.

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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