A Flexible Liquid-Level Positioning System Based on Dynamic Controlled Spoof Surface Plasmon Polaritons

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

IEEE Sensors Journal Pub Date : 2024-12-30 DOI:10.1109/JSEN.2024.3521376

Jieping Wu;Jiahao Zou;Ziqiang Wang;Xiaoqing Yang

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引用次数: 0

Abstract

An active liquid-level sensor system based on dynamically controlled spoof surface plasmon polaritons (SSPPs) is proposed for noninvasive liquid-level measurement. By integrating positive-intrinsic-negative (p-i-n) diodes into the split-ring resonator (SRR) unit of the SSPPs, the resonance frequency of the SRR on the transmission line can be tuned in real time by varying the bias voltage. This enables the dynamic control of electromagnetic wave propagation within the sensor. When the biased SRR units are positioned in air, at the air–liquid interface, and within the liquid medium, distinct response characteristics are generated by the system, facilitating precise liquid-level detection. To validate the performance of the proposed sensor, a prototype is fabricated, and an experimental platform is established. The experimental results demonstrate that the sensor achieves liquid-level localization and tilt angle measurement for nonmetallic containers with a tilt angle accuracy of 3° and a liquid-level measurement accuracy of 2 mm. The proposed liquid-level localization method is verified to be effective. Furthermore, the measurement range can be extended by increasing the number of SRR units.

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基于动态控制欺骗表面等离子激元的柔性液位定位系统

提出了一种基于动态控制欺骗表面等离子激元（SSPPs）的主动液位传感器系统，用于无创液位测量。通过在sspp的分环谐振器（SRR）单元中集成正本质负（p-i-n）二极管，可以通过改变偏置电压实时调谐传输线上SRR的谐振频率。这样可以动态控制传感器内的电磁波传播。当偏置SRR单元位于空气中、气液界面处和液体介质内时，系统产生明显的响应特性，便于精确的液位检测。为了验证该传感器的性能，制作了样机并搭建了实验平台。实验结果表明，该传感器可实现非金属容器的液位定位和倾斜角测量，倾斜角精度为3°，液位测量精度为2mm。结果表明，所提出的液位定位方法是有效的。此外，可以通过增加SRR单元的数量来扩大测量范围。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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