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首页> 外文期刊>Sensors Journal, IEEE >Low-Cost Inkjet-Printed Fully Passive RFID Tags for Calibration-Free Capacitive/Haptic Sensor Applications
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Low-Cost Inkjet-Printed Fully Passive RFID Tags for Calibration-Free Capacitive/Haptic Sensor Applications

机译:低成本喷墨打印的全无源RFID标签,适用于免校准电容/触觉传感器应用

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摘要

A fully passive, compact, and low-cost capacitive wireless radio frequency identification (RFID)-enabled sensing system for capacitive sensing and other Internet of Things applications is proposed. This calibration-free sensor utilizes a dual-tag topology, which consists of two closely spaced RFID tags with dipole antennas and printed capacitive sensor component connected to one of the tags. A series LC resonator is used to both reduce the antenna size and improve the isolation between the two antennas and the design/optimization steps are discussed in detail. All components except for the RFID chips are inkjet printed on an off-the-shelf photopaper using a silver nanoparticle ink. The complete sensor dimension is and the sensor is compatible with EPC Class 1 Gen 2 (UHF) standard reader technology at 915 MHz.
机译:提出了一种完全无源,紧凑且低成本的支持电容式无线射频识别(RFID)的传感系统,用于电容式传感和其他物联网应用。这种无需校准的传感器利用了双标签拓扑结构,该拓扑结构包括两个紧密间隔的RFID标签和偶极天线,以及连接至其中一个标签的印刷电容传感器组件。使用串联LC谐振器来减小天线尺寸并改善两个天线之间的隔离度,并且详细讨论了设计/优化步骤。除RFID芯片外,所有组件都使用银纳米粒子墨水喷墨打印在现成的相纸上。完整的传感器尺寸为,并且该传感器与915 MHz的EPC Class 1 Gen 2(UHF)标准读取器技术兼容。

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