基于柔性微带天线的超材料谐振腔高灵敏度应变传感

IF 4.3 2区 综合性期刊 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Erick Reyes-Vera;Sebastián Montoya-Villada;Freiman Umaña-Idarraga;Sebastián Bedoya-Londoño;Jhonathan Araujo-Muñoz;Oscar Ossa-Molina
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引用次数: 0

摘要

本文提出了一种基于共面微带天线的柔性应变传感器,通过测量工业、科学和医疗(ISM)波段内谐振频率的变化来检测应变。该设计集成了y形单极天线和开环谐振器,提高了灵敏度。设计过程采用了基于多物理场方法的计算方法,有效地将机械和电磁现象耦合在一起。此外,该传感器采用丝网印刷技术制造,随后通过实验测试进行验证。结果表明,该传感器对凸变形和凹变形的灵敏度分别为20.788和17.42 kHz/ $\mu \varepsilon $。计算仿真结果与实验结果吻合较好,进一步验证了设计的有效性和计算模型的鲁棒性。该研究还探讨了聚乳酸(PLA)支架厚度对传感器性能的影响,证明在没有PLA支架的情况下实现了最大灵敏度(106 kHz/ $\mu \varepsilon $)。这表明支撑材料极大地限制了传感器的移动性,从而降低了灵敏度。所提出的天线传感器具有成本效益和高应变检测能力,在结构健康监测(SHM)系统中具有很好的应用前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
High-Sensitivity Strain Sensing Using a Flexible Microstrip Antenna With Metamaterial Resonator
This article presents a flexible strain sensor based on a coplanar microstrip antenna designed to detect strain by measuring changes in resonant frequency within the industrial, scientific, and medical (ISM) band. The design integrates a Y-shaped monopole antenna with an open-ring resonator, which enhances sensitivity. The design process utilized a computational methodology grounded in a multiphysics approach, which effectively coupled mechanical and electromagnetic phenomena. Additionally, the sensor was manufactured using the screen-printing technique and subsequently validated through experimental testing. The results indicate that the proposed sensor achieves sensitivities of 20.788 and 17.42 kHz/ $\mu \varepsilon $ for convex and concave deformations, respectively. The computational simulations closely matched the experimental outcomes, further verifying the efficiency of the proposed design and the robustness of the computational model. The study also explored the impact of the polylactic acid (PLA) support’s thickness on sensor performance, demonstrating that maximum sensitivity (106 kHz/ $\mu \varepsilon $ ) is achieved in the absence of the PLA support. This indicates that the support material significantly limits sensor mobility, thereby reducing sensitivity. The proposed antenna sensor is cost-effective and exhibits high strain-detection capabilities, presenting promising applications for structural health monitoring (SHM) systems.
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来源期刊
IEEE Sensors Journal
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
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