基于RFID技术的无线无源纺织应变传感器研究进展
2021-09-06邹艳玲郑聪江心雨胡吉永
邹艳玲 郑聪 江心雨 胡吉永



摘要: 随着物联网(IoT)时代和老龄化社会的出现,实现无线无源应变测量的超高射頻(UHF RFID)纺织应变传感器在医疗保健领域变得越来越有吸引力。文章综述当前UHF RFID纺织应变传感器的研究现状,首先介绍该类传感器测量应变的原理,再概述现阶段的制备技术、传感性能表征和评价指标,最后总结了基于RFID技术的无线无源纺织应变传感器在商业化发展中存在的问题,为今后研发该类应变传感器提供方向。
关键词: RFID;无线无源;端口阻抗;介电常数;背散射功率;纺织应变传感器
中图分类号: TP212
文献标志码: A
文章编号: 10017003(2021)08005307
引用页码: 081110
DOI: 10.3969/j.issn.1001-7003.2021.08.010(篇序)
The progress of research on RFID-based wireless passive textile strain sensors
ZOU Yanling, ZHENG Cong, JIANG Xinyu, HU Jiyong
(College of Textiles, Donghua University, Shanghai 201620, China)
Abstract: Entering in the era of the Internet of Things(IoT), in todays aging society, the passive ultra-high radio frequency(UHF RFID) textile strain sensors capable of wireless strain measurement are becoming increasingly appealing in healthcare area. This paper gives an overview of the current research situation of UHF RFID textile strain sensors. Firstly, the sensing principles of UHF RFID textile strain sensors are introduced. Second, this paper summarizes the existing manufacturing technologies, characterization of sensing performance and the evaluation indexes. In the end, this paper concludes the problems in the commercial development of RFID-based wireless passive textile strain sensors. This paper is expected to provide a guideline for the development of such strain sensors.
Key words: RFID; wireless passive; port impedance; dielectric constant; backscattered power; textile strain sensor
收稿日期: 20201227;
修回日期: 20210713
基金项目: 上海市自然科学基金资助项目(20ZR1400500)
作者简介: 邹艳玲(1996),女,硕士研究生,研究方向为智能纺织品。通信作者:胡吉永,教授,hujy@dhu.edu.cn。
基于超高频射频识别(ultra-high frequency radio frequency identification,UHF RFID)技术的无线无源纺织应变传感器是将RFID技术与纺织材料结合,形成具有应变传感功能的设备[1-2],为军事、城市安全、农业,尤其是医疗健康领域长时无障碍监测技术提供了新方案。对比传统应变传感器,该类传感器解决了传统应变传感监测系统的布线问题,操作安装简便,大大降低系统的复杂程度和成本。对比其他无线传输方式的应变传感器,RFID纺织应变传感器采用当下流行的无源UHF RFID标签技术的通信及感应方式——电磁反向散射耦合原理(如雷达原理模型)[3],依靠电磁能工作[4-5],克服了ZigBee[6-7]、蓝牙[8-9]等无线传感器的有源局限,具备小型化和柔性化潜力,避免了健康检测中定时定点的限制,成为可穿戴设备的潜在选择。……
