Results 21 to 30 of about 4,711 (181)
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
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Study on unmanned mining technology of fully mechanized coal mining face
Gong-kuang zidonghua, 2017 The paper analyzed present situation of development of fully mechanized coal mining face, including application situation and existing problems of technologies of memory coal cutting, hydraulic support automation, coal and rock identification and so on ...
SUO Zhiwe
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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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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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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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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
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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
Energy Technology, Volume 14, Issue 4, April 2026.This article provides a comprehensive review of loss mechanisms in the generation stage of energy systems, covering fossil, nuclear, and renewable technologies. It examines their environmental and operational implications and shows how overlooking generation losses distorts efficiency assessments.
Pooya Parvizi +4 more
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Energy Science &Engineering, Volume 14, Issue 4, Page 1881-1902, April 2026.This work reveals the “C‐Y,” double “Y,” “π,” and “Y” fracture modes of thick, hard strata and their progressive breaking process (O‐F‐R/S mode), providing a theoretical basis for controlling strong ground pressure in deep mining. ABSTRACT In response to the dynamic hazards caused by the fracture of thick‐hard strata in deep mining, this study ...
Meilu Yu, Jianping Zuo
wiley +1 more source