• 论文
主办单位:煤炭科学研究总院有限公司、中国煤炭学会学术期刊工作委员会
基于小波变换的锚杆锚索测力仪设计
  • Title

    Design of bolt and cable dynamometer based on wavelet transform

  • 作者

    吴士涛邹坤杨婕张晶晶赵玉斌汤建泉王晓明

  • Author

    WU Shitao;ZOU Kun;YANG Jie;ZHANG Jingjing;ZHAO Yubin;TANG Jianquan;WANG Xiaoming

  • 单位

    山东科技大学 智能装备学院山东科技大学 电气与自动化工程学院山东科技大学 采矿工程学院泰安市泰山智诚自动化软件有限公司

  • Organization
    Institute of Intelligent Equipment, Shandong University of Science and Technology
    Institute of Electrical and Automation Engineering, Shandong University of Science and Technology
    Institute of Mining and Engineering, Shandong University of Science and Technology
    Tai’an Taishan Zhicheng Automation Software Co., Ltd.
  • 摘要

    针对井下存在的电磁干扰,会对测力仪采集到的运放端的电压信号存在较大的干扰,进而对传感器测得的压力值准确性产生影响的问题;设计了基于小波变换的锚杆锚索测力仪。以国产HC32L176单片机作为主控芯片,对运放端的电压信号进行AD采集;选用合适的小波基函数、分解层数、阈值规则及阈值函数,对含噪信号进行分解,滤除不同层的高频成分,再对信号重构,得到去噪后的信号。Matlab仿真与实际测试结果表明:小波变换可以对采集的电压信号实现很好去噪,提高了锚杆锚索测力仪的可靠性与稳定性。

  • Abstract

    In view of the electromagnetic interference existing in the well, it can greatly interfere with the voltage signal of the operational amplifier terminal collected by the dynamometer, and then affect the accuracy of the pressure value measured by the sensor. The design uses the domestic HC32L176 micro controller unit as the main control chip. Develop a dynamometer which uses the chip. Collect the voltage signal through the oscilloscope. Select the appropriate wavelet basis function, the number of decomposition layers, threshold rule and threshold function to decomposesignals containing noise. Filter out the high-frequency components of different layers,and then reconstruct the signal to obtain the denoising signal . Through Matlab simulation and practical test, the results show that the wavelet transform can achieve a good denoising of the collected voltage signal, and improve the reliability and stability of the bolt and cable dynamometer.

  • 关键词

    锚杆锚索测力仪矿压在线监测电磁干扰小波变换信号去噪信号重构信号采集

  • KeyWords

    bolt and cable dynamometer;on-line monitoring of mine pressure;electromagnetic interference;wavelet transform;signal denoising;signal reconstruction;acquisition of signal

  • 基金项目(Foundation)
    泰安市科技创新发展资助项目(2020GX008)
  • DOI
  • 引用格式
    吴士涛,邹坤,杨婕,等. 基于小波变换的锚杆锚索测力仪设计[J]. 煤矿安全,2024,55(2):235−243.
  • Citation
    WU Shitao, ZOU Kun, YANG Jie, et al. Design of bolt and cable dynamometer based on wavelet transform[J]. Safety in Coal Mines, 2024, 55(2): 235−243.
  • 图表
相关问题

主办单位:煤炭科学研究总院有限公司 中国煤炭学会学术期刊工作委员会

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