基于RFID曲折微带传输线的结构变形被动式无源监测研究  

Research on the passive monitoring technology for structural deformation enabled by the RFID twisted microstrip transmission line

作　　者：孙发源 周明利 王其昂 张斌 李宪之 肖玉锋 刘宁波 卢澳文 倪一清[5] SUN Fa-yuan;ZHOU Ming-li;WANG Qi-ang;Zhang Bin;LI Xian-zhi;XIAO Yu-feng;LIU Ning-bo;LU Ao-wen;NI Yi-qing(Xuzhou transportation engineering general contracting Co.,Ltd.,Xuzhou 221003,Jiangsu province,China;School of mechanics and civil engineering,China university of mining and technology,Xuzhou 221008,Jiangsu province,China;School of civil engineering,Qingdao university of technology,Qingdao 266520,Shandong province,China;China construction fourth engineering bureau Co.,Ltd.,Guangzhou 510100,China;Department of civil and environmental engineering,The Hong Kong polytechnic university,Hong Kong 100872,China)

机构地区：[1]徐州市交通工程总承包有限公司,江苏徐州221003 [2]中国矿业大学力学与土木工程学院,江苏徐州221008 [3]青岛理工大学土木工程学院,山东青岛266520 [4]中国建筑第四工程局有限公司,广州510100 [5]香港理工大学土木及环境工程学系,中国香港100872

出　　处：《吉林建筑大学学报》2024年第6期74-80,共7页Journal of Jilin Jianzhu University

基　　金：国家自然科学基金青年项目(51708545,52408339);山东省自然科学基金青年项目(ZR2024QE159);青岛市自然科学基金青年项目(24-4-4-zrjj-71-jch).

摘　　要：本论文介绍了一种新型的基于RFID(Radio frequency identification)曲折微带传输线的被动式无源传感器。曲折微带传输线是一种用于电磁波传输的结构,当其粘贴于结构表面并与结构发生协同变形时,其整体尺寸的变化会导致传输线谐振频率的相应变化。因此,可以根据曲折微带传输线谐振频率的变化对结构变形进行监测,且其具有结构紧凑、小型化和无源传感等特点。本文详细探讨了曲折微带传输线传感器的构造、传感原理,并通过一系列仿真研究验证了其变形传感能力。研究结果表明:该传感器在监测结构表面变形方面表现出较好的灵敏度和线性度,在实际工程中具有一定的应用前景。This paper introduces a new passive sensor based on RFID twisted microstrip transmission line.The twisted microstrip transmission line is used for electromagnetic wave transmission.When it is attached to the surface of the structure and co-deforms with the structure,the change of its overall size will lead to the corresponding change in the resonant frequency of the transmission line.Therefore,the structure deformation can be monitored according to the resonant frequency shift of the twisted microstrip transmission line,and it has the characteristics of compact structure,miniaturization and passive sensing.In this paper,the structure and sensing principle of the twisted microstrip transmission line sensor is discussed in detail,and its deformation sensing ability is verified by a series of simulation studies.The results show that the sensor has good sensitivity and linearity in monitoring structural surface deformation,and has a certain engineering application prospect.

关 键 词：无源传感 结构变形监测 传感器研发 微带传输线 谐振频率 

分 类 号：TU312[建筑科学—结构工程] TN98[电子电信—信息与通信工程]