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A Virtual Planning Method for Spatial Pose and Performance Fusion Advancement of Mining and Transportation Equipment in Complex Geological Environment

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Abstract

The operation of intelligent coal mining in complex geological environment is still unable to realize automation. In order to realize the autonomous cutting of fully mechanized mining equipment and improve coal production, a mining and transportation equipment dynamic advancement path planning method based on spatial kinematics coordinate deduction prediction and real-time correction prediction of coal-rock state identification of equipment cutting current index are proposed. Firstly, the spatial motion law of the mining and transportation equipment is analyzed, and the mathematical model of the spatial motion of the mining and transportation equipment is established. The relationship between the adjustment of the shearer rocker arm and the pose change of the scraper conveyor is determined, and the coordinate deduction model of the spatial advancement position of the equipment is determined, which provides a theoretical basis for the advancement path planning of the mining and transportation equipment. Then, on the basis of the mathematical model construction, combined with real geological data and equipment information, the three-dimensional dynamic planning of the advancement path of the mining and transportation equipment is carried out from the two dimensions of the horizontal advancement direction and the shearer walking direction. At the same time, the relationship between the cutting current index of shearer and the state recognition of coal-rock mass is analyzed, and the coal-rock mass state identification of cutting current and the adjustment of rocker arm model is constructed, and the real-time dynamic correction of three-dimensional path is carried out, so that the planned path can better adapt to the sudden change of real geological environment. Then, using the unity3d virtual reality technology, a simulation system for the horizontal advancement path planning of the virtual mining and transportation equipment is constructed, which simulates the real advancement operation process of the mining and transportation equipment and conducts advancement training. Finally, the dynamic advancement scheme update prediction based on the existing actual cutting but ahead of the actual cutting is realized in the virtual scene, and the optimal scheme is transmitted into the existing prediction cutting system to guide the actual physical equipment mining. The path planning method can control the coordinate position error of the advancing cutting path within 15 mm, which provides ideas for the research on the advancing path planning of fully mechanized equipment.

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Funding

This research was supported by the National Natural Science Foundation of China (grant no. 52004174), the Major Scientific and Technological Innovation Programs of "Unveil the List" in Shanxi (no. 202101020101021), the Shanxi “1331” Project, the Key Project of the Chinese Society of Academic Degrees and Graduate Education (grant no. 2020ZDA12), the Scientific Research Planning for Higher Education in 2022 (grant no. 22SZH0306), and the Central Government Guides Local Science and Technology Development Funds Projects (YDZJSX2022A014).

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Authors and Affiliations

  1. Shanxi Key Laboratory of Fully Mechanized Coal Mining Equipment, College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan, 030024, China

    Mengyao Dong, Jiacheng Xie, Juanli Li, Wenyong Du & Tao Cui

  2. Shanxi Keda Automatic Control Co., Ltd, Taiyuan, China

    Pengfei Huo

Authors
  1. Mengyao Dong
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  2. Jiacheng Xie
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  3. Juanli Li
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  4. Wenyong Du
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  5. Tao Cui
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Correspondence to Juanli Li.

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Dong, M., Xie, J., Li, J. et al. A Virtual Planning Method for Spatial Pose and Performance Fusion Advancement of Mining and Transportation Equipment in Complex Geological Environment. Mining, Metallurgy & Exploration 40, 231–251 (2023). https://doi.org/10.1007/s42461-022-00693-y

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  • DOI: https://doi.org/10.1007/s42461-022-00693-y

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