结构应变的无线监测及融合技术

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.

(School of Civil Engineering, Harbin Inst of Technology, Harbin, Heilongjiang, 150090, China)

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.