结构应变的无线监测及融合技术
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摘要
针对结构应变监测,设计了一类无线应变传感装置,并对该装置采集的数据进行了数据融合处理。,介绍了无线应变传感器的硬件集成;描述了基于算术平均值的无线应变传感器信息融合方法;结合应变的无线测试实验,应用数据融合技术对测量数据加以分析处理。研究表明:所集成的无线应变传感器,安装简单、携带方便;采用了数据融合处理的应变信号更加准确;基于数据融合的无线应变传感器适合在现场测试中应用。
A kind of wireless strain sensor is designed for the purpose of structural strain monitoring and the collected strain signals are processed by the method of data fusion. Firstly, the hardware integration of wireless strain sensor is introduced. Then, on the basis of arithmetic average value, the data fusion method of wireless strain sensor is described. Finally, the wireless strain sensor test is finished, the measurement data is analyzed by the use of the data fusion method. The research shows that, the wireless strain sensor can be installed easily, the strain signals are more accurate by the method of data fusion, and the wireless strain sensor based on data fusion is used for the field test.
A kind of wireless strain sensor is designed for the purpose of structural strain monitoring and the collected strain signals are processed by the method of data fusion. Firstly, the hardware integration of wireless strain sensor is introduced. Then, on the basis of arithmetic average value, the data fusion method of wireless strain sensor is described. Finally, the wireless strain sensor test is finished, the measurement data is analyzed by the use of the data fusion method. The research shows that, the wireless strain sensor can be installed easily, the strain signals are more accurate by the method of data fusion, and the wireless strain sensor based on data fusion is used for the field test.
引文
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[2]喻言,李宏伟,欧进萍.结构监测的无线加速度传感器设计与制作[J].传感技术学报,2004,17(3):463-466.
[3]Spencer B F.Opportunities and Challenges for Smart Sensing Technology[C]∥First International Conference on Structura Health Monitoring and Intelligent Infrastructure,Japan2003:65-71.
[4]张君,赵杰.仪表放大器AD623的性能与应用[J].仪表技术,2002(5):45-46.
[5]Yu Yan,Ou Jinping.Development of a Kind of Multi-Variable Wireless Sensor for Structural Health Monitoring in Civil En-gineering[J].Proc SPIE,5765:158-166.
[6]权太范.信息融合神经网络———模糊推理理论与应用[M].北京:国防工业出版社,2002:1-15.
[7]郭茂林.实验力学[M].哈尔滨:哈尔滨工业大学出版社2000:37-41.
[8]滕召胜,罗隆福,童调生.智能检测系统与数据融合[M].北京:机械工业出版社,2000:234-236.
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