Results 21 to 30 of about 285 (137)
Coal-Gangue Interface Detection Based on Ensemble Empirical Mode Decomposition Energy Entropy
IEEE Access, 2021 To realize the unmanned automation of the full mechanized caving, the bottleneck problem of coal-gangue interface detection in top coal caving must be solved first. Targeting coal-gangue interface detection on fully mechanized mining face, an alternative
Wei Liu +5 more
doaj +1 more source
Energies, 2022 According to the development requirements of green mining of coal resources, it is imperative to improve the extraction rate of coal and the application of safe and efficient mining technology.
Shengrong Xie +8 more
doaj +1 more source
Off-Site Geological Surveying of Longwall Face Based on the Fusion of Multi-Source Monitoring Data
MathematicsA high-precision coal seam model is crucial to improving the adaptability of unmanned mining technology to geological conditions. However, the accuracy of a coal seam model constructed with boreholes and geophysical data is far from the required accuracy
Mengbo Zhu +5 more
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Probe on concept of automatic fully-mechanized coal mining face
Gong-kuang zidonghua, 2014 Technology status of automatic fully-mechanized coal mining face in China was introduced, and fully-mechanized coal mining equipments were classified into production equipment, auxiliary equipment and monitoring and control system.
FU Guoju
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Deep Underground Science and Engineering, EarlyView.A lithology identification while drilling method was developed, integrating an automated cuttings sampling system, a smart drilling rig, and an ensemble learning model. Underground trials achieved 97.42% accuracy in real‐time identification of cuttings lithology and composition, enhancing hazard management and supporting unmanned drilling technology in
Kun Li +7 more
wiley +1 more source
Coal Rock Image Feature Extraction and Recognition Method Based on LBP and GLCM
Meikuang Anquan, 2020 Aiming at the unmanned requirements of coal mining face, a method for extracting and identifying coal rock image features based on LBP and GLCM is proposed. The LBP algorithm is used to judge the difference of the rock texture of the coal block.
WANG Chao, ZHANG Qiang
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Top coal thickness detection method for intelligent fully-mechanized working face
Gong-kuang zidonghua, 2021 Detecting the thickness of the top coal in a fully mechanized working face in advance can provide a basis for precise control of the top coal caving, which is beneficial to achieving a balance between the coal caving recovery rate and coal quality.
YANG Xiuyu1 +3 more
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River Sand and Gravel Mining: Global Drivers, Impacts, and Pathways for Sustainable Management
Reviews of Geophysics, Volume 64, Issue 3, September 2026.Abstract River sand and gravel are mined worldwide at volumes that now rival their natural replenishment, yet quantitative knowledge of this mining activity and its consequences lags far behind many other global environmental pressures. We synthesize 411 peer‐reviewed studies published since 1974 within a new Driver‐to‐Management Pathway for ...
Edward Park +25 more
wiley +1 more source
IEEE Access, 2021 The acquisition of information on fine surface three-dimensional deformation in a goaf is of great significance for the in-depth understanding of the law of mining subsidence and guiding the safe production and ecological restoration of the mining area ...
Xiaobing Liu, Jilei Huang
doaj +1 more source
Deep Underground Science and Engineering, Volume 5, Issue 2, Page 539-555, June 2026.Aiming at the scientific frontiers of in situ fluidized mining of deep resources, a deep coal fluidized pipeline lifting system based on hydraulic conveying has been proposed. To solve the issue of particle sedimentation of large particles in horizontal connection sections, a solution involving the installation of guide vane‐type swirlers in the ...
Jiusheng Bao +5 more
wiley +1 more source