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首页> 外文期刊>IEEE sensors journal >Biaxial 3D-Printed Inclinometer Based on Fiber Bragg Grating Technology
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Biaxial 3D-Printed Inclinometer Based on Fiber Bragg Grating Technology

机译：基于光纤布拉格光栅技术的双轴3D印刷倾斜度计

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摘要

A Fiber Bragg Grating (FBG)-based inclinometer has been developed for field use, designed to incorporate biaxial 3-dimensional (3D) printed tilt sensors (in which four FBGs were used). The inclinometer was characterized by examining its response to a wide range of tilts, over the range from 0 degrees to 90 degrees, towards the inclination axes. An excellent linear correlation between the wavelength shifts and the inclination angle (up to the 90 degrees used) was obtained, showing an average sensitivity of 0.01 nm per degree of inclination angle, for each of the FBGs used. In addition to the four FBGs that form the basis of the inclination measurement, a further FBG was included in the design to allow compensation for any temperature changes experienced during the measurements. The device was calibrated over the range from -25 degrees C to 80 degrees C (corresponding to the extremes of cold and hot weather conditions likely to be experienced in-the-field), and a sensitivity to temperature change of 0.011nm/degrees C was achieved, allowing an effective temperature correction to be applied. The data obtained from a full characterization of the performance of the sensor system, carried out in a stable, controlled environment, indicate that this inclinometer yields good sensitivity, making it highly applicable for use in monitoring rapid ground movements and deformations with its compact design allowing its wide use.
机译：基于现场使用的纤维布拉格光栅（FBG）的倾斜度仪已经开发，旨在加入双轴三维（3D）印刷倾斜传感器（其中使用了四种FBG）。倾斜仪通过将其对倾斜轴线的0度至90度的范围内的响应检查其响应。获得的波长偏移和倾斜角（最多使用的90度）之间的出色线性相关性，显示每个使用的每种FBG的倾斜角度为0.01nm的平均灵敏度。除了形成倾斜度测量依据的四种FBG之外，设计中还包括进一步的FBG，以允许补偿在测量期间经历的任何温度变化。将该装置校准在-25摄氏度至80℃的范围内（对应于可能经历现场经历的冷热天气条件的极端情况），对0.011nm /℃的温度变化的敏感性实现，允许应用有效的温度校正。从稳定的受控环境下进行的传感器系统性能的完全表征中获得的数据表明该倾斜计数计产生良好的灵敏度，使其适用于监测快速地移动和变形，其紧凑的设计允许广泛使用。

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