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一种用于混凝土氯离子浓度监测的新型无源无线传感方法。

A Novel Passive Wireless Sensing Method for Concrete Chloride Ion Concentration Monitoring.

作者信息

Zhou Shuangxi, Sheng Wei, Deng Fangming, Wu Xiang, Fu Zhihui

机构信息

School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang 330013, China.

School of Electrical and Automation Engineering, East China Jiaotong University, Nanchang 330013, China.

出版信息

Sensors (Basel). 2017 Dec 11;17(12):2871. doi: 10.3390/s17122871.

DOI:10.3390/s17122871
PMID:29232901
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5750668/
Abstract

In this paper, a novel approach for concrete chloride ion concentration measuring based on passive and wireless sensor tag is proposed. The chloride ion sensor based on RFID communication protocol is consisting of an energy harvesting and management circuit, a low dropout voltage regulator, a MCU, a RFID tag chip and a pair of electrodes. The proposed sensor harvests energy radiated by the RFID reader to power its circuitry. To improve the stability of power supply, a three-stage boost rectifier is customized to rectify the harvested power into dc power and step-up the voltage. Since the measured data is wirelessly transmitted, it contains miscellaneous noises which would decrease the accuracy of measuring. Thus, in this paper, the wavelet denoising method is adopted to denoise the raw data. Besides, a monitoring software is developed to display the measurement results in real-time. The measurement results indicate that the proposed passive sensor tag can achieve a reliable communication distance of 16.3 m and can reliably measure the chloride ion concentration in concrete.

摘要

本文提出了一种基于无源无线传感器标签的混凝土氯离子浓度测量新方法。基于射频识别（RFID）通信协议的氯离子传感器由能量采集与管理电路、低压差稳压器、微控制器（MCU）、RFID标签芯片和一对电极组成。所提出的传感器采集由RFID阅读器辐射的能量来为其电路供电。为提高电源稳定性，定制了一个三级升压整流器，将采集到的能量整流为直流电源并升压。由于测量数据是无线传输的，其中包含杂散噪声，这会降低测量精度。因此，本文采用小波去噪方法对原始数据进行去噪。此外，开发了一个监测软件来实时显示测量结果。测量结果表明，所提出的无源传感器标签能够实现16.3米的可靠通信距离，并且能够可靠地测量混凝土中的氯离子浓度。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/dcb6565702a5/sensors-17-02871-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/7ef24055bd2e/sensors-17-02871-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/027d2f08659d/sensors-17-02871-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/51b325af9d12/sensors-17-02871-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/b3bb27ceb342/sensors-17-02871-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/32635ac97d93/sensors-17-02871-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/0aa8a1711d89/sensors-17-02871-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/04157e2e9308/sensors-17-02871-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/c3359ed5fc73/sensors-17-02871-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/dfb01619ed60/sensors-17-02871-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/be574071ee84/sensors-17-02871-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/163e89ddbefc/sensors-17-02871-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/af47f24f5a6c/sensors-17-02871-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/ed335e16f860/sensors-17-02871-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/dcb6565702a5/sensors-17-02871-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/7ef24055bd2e/sensors-17-02871-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/027d2f08659d/sensors-17-02871-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/51b325af9d12/sensors-17-02871-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/b3bb27ceb342/sensors-17-02871-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/32635ac97d93/sensors-17-02871-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/0aa8a1711d89/sensors-17-02871-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/04157e2e9308/sensors-17-02871-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/c3359ed5fc73/sensors-17-02871-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/dfb01619ed60/sensors-17-02871-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/be574071ee84/sensors-17-02871-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/163e89ddbefc/sensors-17-02871-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/af47f24f5a6c/sensors-17-02871-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/ed335e16f860/sensors-17-02871-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6408/5750668/dcb6565702a5/sensors-17-02871-g014.jpg

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