Automatic Acquisition System for Mine Pressure Monitoring in Coal Mine Working-Face Footage

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-02-05 DOI:10.1155/2024/8876210

Miaoer Zhou, Yongkui Shi, Jian Hao, Xin Chen

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引用次数: 0

Abstract

The existing mine pressure monitoring system has realized the online continuous monitoring of the working-face stent resistance, roadway roof offcuts, and anchor rod/rope working resistance. However, the mine pressure monitoring information of the working face currently includes only the stent resistance and the monitoring time, and there is no information on the working-face advance. The mine pressure data cannot be precisely analyzed due to a lack of measurement point locations. Mine pressure data analysis combined with the working-face feed information is the basis for safe and efficient mining and for improving the intelligence level of the comprehensive mining face. According to the special electromagnetic environment of the underground, this system adopts UWB (ultra-wide-band) technology and the SDS-TWR (symmetric double-sided two-way ranging) ranging method, with the UWB positioning base station as the core and installs positioning tags at the end supports of the working face to collect information. The data are uploaded to the host computer via Ethernet for coordinate solving, automatically collecting the working-face footage data and providing positional information for mine pressure monitoring. The application results show that the system operates normally and can collect real-time information of working-face footage and monitor mine pressure data, and meet the requirements of coal mine positioning accuracy, positioning error is less than 30 cm, the application effect is good.

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煤矿工作面图像中的矿压监测自动采集系统

现有的矿压监测系统已经实现了对工作面支架阻力、巷道顶板断面、锚杆/锚索工作阻力的在线连续监测。但是，工作面矿压监测信息目前只包括支架阻力和监测时间，没有工作面进尺信息。由于缺乏测量点位置，无法对矿压数据进行精确分析。矿压数据分析与工作面进尺信息相结合，是安全高效开采、提高综采工作面智能化水平的基础。针对井下特殊的电磁环境，该系统采用 UWB（超宽带）技术和 SDS-TWR（对称双面双向测距）测距方法，以 UWB 定位基站为核心，在工作面端头支架上安装定位标签进行信息采集。数据通过以太网上传到主机进行坐标求解，自动采集工作面进尺数据，为矿压监测提供位置信息。应用结果表明，该系统运行正常，能够实时采集工作面进尺信息和监测矿压数据，满足煤矿定位精度要求，定位误差小于30厘米，应用效果良好。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.

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