Integrated Wireless Distributed Strain Sensing Using Flexible Electronics for Structural Health Monitoring

IF 4.3 2区综合性期刊 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Sensors Journal Pub Date : 2025-06-30 DOI:10.1109/JSEN.2025.3582514

Ant Lakatos;Morgan Riley;Allyssa Bateman;Timothy L. Phero;Matthew Zuzelski;Brian J. Jaques;Zhangxian Deng;Benjamin C. Johnson

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引用次数: 0

Abstract

Real-time, distributed monitoring of the structural integrity of active space habitats is a critical function for manned-space missions, requiring systems that are redundant, compact, robust, and easily reproducible. Toward this goal, we developed resistive and capacitive strain gauges (CSGs) using commercial flexible printed circuit (FPC) technology that are directly integrated with readout electronics for distributed and wireless structural health monitoring. In our prototype system, we distributed 16 gauges that are interconnected on a structural Kevlar strap. Using a single flat flexible cable (FFC) cable between each device, the gauges are daisy-chained to a control hub, where strain information is wirelessly relayed from the hub to a base station via Bluetooth. The developed capacitive and resistive gauges were tested for dynamic strain while attached to Kevlar straps that have a maximum loading of 26.7 kN. We measured gauge factors (GFs) of 1.70 and 1.55 for capacitive and resistive gauges, respectively. The readout system has a volume of 0.1976 cm3 and is capable of interconnecting up to 16 gauges per hub, and multiple hubs can be connected to a base station for large-area strain monitoring.

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基于柔性电子器件的结构健康监测集成无线分布式应变传感

对活动空间栖息地结构完整性的实时、分布式监测是载人航天任务的一项关键功能，需要冗余、紧凑、健壮和易于复制的系统。为了实现这一目标，我们使用商业柔性印刷电路（FPC）技术开发了电阻和电容应变仪（csg），该技术直接与读出电子设备集成，用于分布式和无线结构健康监测。在我们的原型系统中，我们分配了16个仪表，它们相互连接在一个结构凯夫拉皮带上。在每个设备之间使用一根扁平的柔性电缆（FFC），压力表被连接到一个控制中心，在控制中心，应变信息通过蓝牙从集线器无线传输到基站。开发的电容式和电阻式压力表在连接到最大负载26.7 kN的凯夫拉带时进行了动态应变测试。我们测量的测量因子（GFs）分别为1.70和1.55的电容和电阻计。读出系统的体积为0.1976 cm3，每个集线器能够连接多达16个仪表，多个集线器可以连接到一个基站，用于大面积应变监测。

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来源期刊

IEEE Sensors Journal 工程技术-工程：电子与电气

CiteScore

7.70

自引率

14.00%

发文量

2058

审稿时长

5.2 months

期刊介绍： The fields of interest of the IEEE Sensors Journal are the theory, design , fabrication, manufacturing and applications of devices for sensing and transducing physical, chemical and biological phenomena, with emphasis on the electronics and physics aspect of sensors and integrated sensors-actuators. IEEE Sensors Journal deals with the following: -Sensor Phenomenology, Modelling, and Evaluation -Sensor Materials, Processing, and Fabrication -Chemical and Gas Sensors -Microfluidics and Biosensors -Optical Sensors -Physical Sensors: Temperature, Mechanical, Magnetic, and others -Acoustic and Ultrasonic Sensors -Sensor Packaging -Sensor Networks -Sensor Applications -Sensor Systems: Signals, Processing, and Interfaces -Actuators and Sensor Power Systems -Sensor Signal Processing for high precision and stability (amplification, filtering, linearization, modulation/demodulation) and under harsh conditions (EMC, radiation, humidity, temperature); energy consumption/harvesting -Sensor Data Processing (soft computing with sensor data, e.g., pattern recognition, machine learning, evolutionary computation; sensor data fusion, processing of wave e.g., electromagnetic and acoustic; and non-wave, e.g., chemical, gravity, particle, thermal, radiative and non-radiative sensor data, detection, estimation and classification based on sensor data) -Sensors in Industrial Practice