Volume 50 Issue 6
Jun.  2024
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Article Navigation >  Journal of Mine Automation  > 2024  >  50(6): 136-141, 158
LIU Meng, FU Xiang, JIANG Yulong, et al. Precise and fast digital twin mapping method for hydraulic support attitude[J]. Journal of Mine Automation，2024，50（6）：136-141, 158.  doi: 10.13272/j.issn.1671-251x.18180
Citation: LIU Meng, FU Xiang, JIANG Yulong, et al. Precise and fast digital twin mapping method for hydraulic support attitude[J]. Journal of Mine Automation，2024，50（6）：136-141, 158.  doi: 10.13272/j.issn.1671-251x.18180
shu

Precise and fast digital twin mapping method for hydraulic support attitude

doi: 10.13272/j.issn.1671-251x.18180
  • 1.

    College of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China

  • 2.

    Post-doctoral Workstation, Shanxi Coking Coal Group Co., Ltd., Taiyuan 030024, China

  • 3.

    State Key Laboratory of Intelligent Mining Equipment Technology, Taiyuan University of Technology, Taiyuan 030024, China

  • 4.

    Key Laboratory of In-Situ Property-Improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China

  • Received Date: 2024-02-02
  • Rev Recd Date: 2024-06-26
    • Available Online: 2024-07-04
    Abstract
  • A precise and fast digital twin mapping method for hydraulic support attitude in fully mechanized working face is proposed to address the problems of low precision, large time delay, and difficulty in balancing precision and time delay in implementing attitude mapping using digital twins. The study designs a digital twin system architecture for hydraulic support attitude, which includes physical perception layer, data layer, business logic layer, and presentation layer. At the business logic layer, by retaining the external shape of the high-precision model of the hydraulic support and merging key parts into lightweight structural components, a digital twin model of the hydraulic support attitude is established. It reduces rendering delay. By establishing a conversion relationship between the angle measured by the inclination sensor and the rotation angle of the digital twin model, consistent of virtual-real mapping of the digital twin model of the hydraulic support attitude and real entities of the hydraulic support is achieved, ensuring the precision of the hydraulic support attitude mapping. At the data layer, transmission intervals are divided from each data transmission link and parameter constraints are applied. Parameter programming is applied to optimize the data update interval of adjustable links, reducing resource waste and latency in the data transmission process of digital twin systems. A precise and fast digital twin mapping platform for hydraulic support attitude is built, and the time delay and precision of virtual real mapping for hydraulic support attitude are tested. The results show that this method has a lower time delay while ensuring the precision of hydraulic support attitude mapping.

     

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