无源无线射频识别传感器及其在结构健康监测中的应用

摘要

针对无损检测与结构健康监测技术的发展趋势与挑战,介绍了一种无源无线射频识别(Radio frequency identification,RFID)监测传感器,并揭示了其在结构健康监测,特别是在航空航天领域的潜在应用.然后,从传感机制、信号测量、特征分析与提取等多角度对RFID传感技术在结构健康监测领域应用和存在的问题进行了全面阐述.最后,对RFID传感技术的发展前景和研究方向做了展望.本文为RFID传感技术在结构健康监测领域的研究和应用提供了理论指导和设计依据.%Aiming at the development trends,the problems,and challenges met for the current non-destructive testing (NDT) and structural health monitoring (SHM) technologies,we introduce a kind of passive wireless radio frequency identification (RFID) sensor,and uncover its potential application in SHM,especially in the area of aerospace.We categorize the problems in the applications of RFID sensing technique for SHM from multiple perspectives:sensing mechanism,signal measurement,feature analysis and extraction.Moreover,the future directions for RFID sensing technique are pointed out as well.This paper can provide guidance for the application of RFID sensing technique in the area of SHM.