Design and analysis of wireless sensing system for bridge

LI Jia-bo; YE Min; LI Si-wei; GUO Jian

doi:10.13873/J.1000-9787(2017)12-0068-03

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Design and analysis of wireless sensing system for bridge

更新时间：2025-09-11

- Design and analysis of wireless sensing system for bridge
- Vol. 36, Issue 12, Pages: 68-70(2017)
- 作者机构：
  
  长安大学工程机械国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2017)12-0068-03
  CLC： TP212
- Published：2017
- 稿件说明：
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[1]李嘉波,叶敏,李四维,郭健.桥梁无线传感系统设计与分析[J].传感器与微系统,2017,36(12):68-70.

LI Jia-bo, YE Min, LI Si-wei, et al. Design and analysis of wireless sensing system for bridge[J]. 2017, 36(12): 68-70.
[1]李嘉波,叶敏,李四维,郭健.桥梁无线传感系统设计与分析[J].传感器与微系统,2017,36(12):68-70. DOI： 10.13873/J.1000-9787(2017)12-0068-03.

LI Jia-bo, YE Min, LI Si-wei, et al. Design and analysis of wireless sensing system for bridge[J]. 2017, 36(12): 68-70. DOI： 10.13873/J.1000-9787(2017)12-0068-03.

摘要

为满足桥梁监测的要求

对采集的数据实现无线传输

设计了数据无线采集传输系统。以STM微处理器和振弦式传感器为核心元件

对桥梁应变进行监测分析。分析了振弦式传感器的工作原理

对比分析了两种传统的激振原理

并结合两种激振方式的优缺点

提出了对低压扫频激振原理的改进方法

对激振电路进行了优化设计

同时设计了基于NRF905无线传感网络

完成了数据采集的无线发送和接收。实验结果表明:改进后的激振电路测量精度小于0.1%

系统工作稳定

无线传输功能满足桥梁监测要求。

Abstract

In order to meet the requirements of bridge monitoring

wireless transmission of the collected data is realized

and data wireless acquisition and transmission system is designed. The STM microprocessor and the vibrating wire sensor are used as the core components to monitor and analyze the bridge strain. Working principle of vibrating wire sensor is analyzed

and two kinds of traditional excitation principle are compared and analyzed.The advantages and disadvantages of two kinds of excitation modes are discussed

and improved method of low voltage frequency swept excitation principle is put forward

and excitation circuit is designed and optimized.Wireless sensor networks based on NRF905 are designed and wireless transmission and reception are achieved.The experimental results show that presion of measurement based on improved excitation principle is less than0. 1 %

the system is stable and the wireless transmission function meets requirements of bridge monitoring.

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references

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基于STM32F103VCT6的振弦式传感器数据采集系统 [J]. 贾鹏辉,陈辉,周平义. 仪表技术与传感器 . 2015(02)

基于振弦式传感器的桥梁实时监测系统设计 [J]. 莫琳,何华光,谢开仲. 广西大学学报(自然科学版) . 2012(06)

基于振弦式传感器的大坝渗压监测系统设计 [J]. 瞿卫华,魏永强. 传感器与微系统 . 2012(03)

基于振弦式传感器的桥梁检测系统设计 [J]. 李红杰,苗顺占,傅华明. 传感器与微系统 . 2011(06)

基于nRF905的短距离无线数据传输系统的设计 [J]. 齐虹,徐志,陈冲,何明华. 福州大学学报(自然科学版) . 2010(01)

基于振弦式传感器的无线传感网络研究 [D]. 徐勇. 华南理工大学 2016

振弦式传感器信号采集仪的研制 [D]. 夏天祥. 大连理工大学 2013

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