Wireless Inclinometer for Monitoring deformation of Underground Tunnel

JI Yun; He Bin; SHEN Run-jie

doi:10.3788/OPE.20132106.1464

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Wireless Inclinometer for Monitoring deformation of Underground Tunnel

更新时间：2020-08-12

- Wireless Inclinometer for Monitoring deformation of Underground Tunnel
- Optics and Precision Engineering Vol. 21, Issue 6, Pages: 1464-1471(2013)
- 作者机构：
  
  同济大学电子与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20132106.1464
  CLC： TP212.12
- Received：08 January 2013，
  
  Revised：07 February 2013，
  
  Published Online：20 June 2013，
  
  Published：15 June 2013
- 稿件说明：
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纪云何斌沈润杰. 地下隧道变形检测的无线倾角传感器[J]. 光学精密工程, 2013,21(6): 1464-1471

JI Yun HE Bin SHEN Run-jie. Wireless Inclinometer for Monitoring deformation of Underground Tunnel[J]. Editorial Office of Optics and Precision Engineering, 2013,21(6): 1464-1471
纪云何斌沈润杰. 地下隧道变形检测的无线倾角传感器[J]. 光学精密工程, 2013,21(6): 1464-1471 DOI： 10.3788/OPE.20132106.1464.

JI Yun HE Bin SHEN Run-jie. Wireless Inclinometer for Monitoring deformation of Underground Tunnel[J]. Editorial Office of Optics and Precision Engineering, 2013,21(6): 1464-1471 DOI： 10.3788/OPE.20132106.1464.

摘要

设计了一种无线倾角传感器来检测地下隧道的结构变形，并研究了该无线倾角传感器所采用的温度补偿和数字滤波算法。首先，根据地下隧道结构特点，结合微机电系统（MEMS）技术和无线传感器网络技术，给出无线倾角传感器的硬件结构，并描述了传感器实现无线通信和可视化上位机界面的软件设计流程。然后，针对地下隧道温度变化大、振动扰动频繁等因素，分析其对传感器精度的影响，实现了对无线倾角传感器的温度补偿。最后，通过对传感器数据噪声频谱分析，选择数字滤波方法，充分抑制振动对传感器的影响，提升了无线倾角传感器的测量精度。实验结果表明：无线倾角传感器在30范围内的测量精度为0.05，符合地下隧道变形检测的功能需求。

Abstract

To monitor the structure deformation of an underground tunnel

a high-resolution wireless inclinometer was developed in this paper

and the algorithm of temperature compensation and digital filter applied to the wireless inclinometer were analyzed. First

based on complex conditions in the underground tunnel

the hardware structure of the wireless inclinometer was presented combined the Micro-electromechanic System( MEMS) with the Wireless Sensor Network(WSN) technology and the software processes of wireless communication and PC interface of the inclinometer were described. Then the effects of different environment parameters on the inclinometer were discussed according to the conditions of underground tunnel such as wide-range temperature changes and frequent vibration. Finally

the temperature compensation and resistance to vibration interference were achieved

and the accuracy of the inclinometer was improved. Experimental results indicate that the precision of the inclinometer is 0.05 in the range from -30to 30

which meets the design requirements of the underground tunnel for the monitoring deformation.

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