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A Review of Intelligent Unmanned Mining Current Situation and Development Trend

Energies, 2022
Intelligent unmanned mining is a key process in coal mine production, which has direct impact on the production safety, coal output, economic benefits and social benefits of coal mine enterprises.
Kexue Zhang, Lei Kang, Xuexi Chen, Manchao He, Chun Zhu, Dong Li   +5 more
doaj   +3 more sources

The Construction and Application of a Digital Coal Seam for Shearer Autonomous Navigation Cutting [PDF]

Sensors
Accurately obtaining the geological characteristic digital model of a coal seam and surrounding rock in front of a fully mechanized mining face is one of the key technologies for automatic and continuous coal mining operation to realize an intelligent ...
Xuedi Hao, Jiajin Zhang, Rusen Wen, Chuan Gao, Xianlei Xu, Shirong Ge, Yiming Zhang, Shuyang Wang   +7 more
doaj   +2 more sources

Research on self-adaptive height adjustment control of shearer based on deep deterministic policy gradient. [PDF]

PLoS ONE
As a core component of the fully mechanized mining face, intelligent control of the shearer is fundamental to achieving unmanned mining and improving equipment reliability.
Yadong Wang, Xuan Wang, Guocong Lin, Lijuan Zhao, Xunan Liu, Baoxuan Jia, Yuan Wang, Jingqiang He, Lianwei Ma   +8 more
doaj   +2 more sources

Key technologies and demonstration of unmanned steeply inclined short-wall fully mechanized top-coal caving intelligent mining [PDF]

Meitan kexue jishu
Since the 14th Five-Year Plan, my China’s coal mine digital intelligence technology has developed rapidly, especially in thin coal seam mining. However, the unmanned intelligent mining technology of steeply inclined short-wall fully mechanized caving is ...
Haodang LI, Qing LIU, Bin GU, Yupeng YAO, Yanyi SUN, Xin TIAN, Wu XIONG, Kunlun LIU, Xinping BAO, Junfei WU, Ruibing YAN   +10 more
doaj   +3 more sources

Analysis on mining method of unmanned working face in steeply inclined thin and medium thick coal seam based on beaded wire saw

Meitan kexue jishu, 2023
Regarding the problem of “key 4% coal seam which is difficult to realize mechanized mining”, it mainly refers to the mechanized mining method of steeply inclined thin and medium thick coal seam with dip angle greater than 60°. For the first time, it puts
WANG Yongyin, GAO Lin, YANG Deli
doaj   +1 more source

Design and application of automatic cable dragging system for shearer

Meitan kexue jishu, 2023
In order to meet the unmanned needs of thin coal seam fully mechanized mining faces and address the issue of requiring dedicated personnel to monitor the cables of existing coal mining machines, an automatic cable dragging system for coal mining machines
Yao CUI, Jun WANG, Xu ZHAO, Zhanren PAN, Yanjie LI   +4 more
doaj   +1 more source

Laser-Induced Breakdown Spectroscopy-Based Coal-Rock Recognition: An in Situ Sampling and Recognition Method

IEEE Access, 2021
Coal and rock recognition (CRR) has important theoretical and practical significance in unmanned coal mining. Laser-induced breakdown spectroscopy (LIBS) is considered a cutting-edge technology in the field of material analysis due to its real-time ...
Cong Liu, Yimin Luo, Qizhi Zhang
doaj   +1 more source

Cooperative control technology of shear and hydraulic support on fully-mechanized coal mining face

Gong-kuang zidonghua, 2020
Aiming at low cooperative control efficiency of shearer and hydraulic support on fully-mechanized coal mining face, a cooperative control technology of shearer and hydraulic support on fully-mechanized coal mining face was proposed based on technologies ...
LIU Qing, HAN Xiuqi, XU Lanxin, QIN Wenguang   +3 more
doaj   +1 more source

Methane Mitigation:Methods to Reduce Emissions, on the Path to the Paris Agreement [PDF]

, 2020
The atmospheric methane burden is increasing rapidly, contrary to pathways compatible with the goals of the 2015 United Nations Framework Convention on Climate Change Paris Agreement.
al-Shalaan, A., Allen, G., Bakkaloglu, S., Broderick, T. J., Cain, M., Coleman, M., Fernandez, J., Fisher, R. E., Forster, G., France, J. L., Griffiths, P. T., Iverach, C. P., Kelly, B. F.J., Lowry, D., Manning, M. R., Nisbet, E. G., Nisbet-Jones, P. B.R., Pyle, J. A., Townsend-Small, A., Warwick, N., Zazzeri, G.   +20 more
core   +1 more source

Innovation and future of mining rock mechanics

Journal of Rock Mechanics and Geotechnical Engineering, 2021
The 121 mining method of longwall mining first proposed in England has been widely used around the world. This method requires excavation of two mining roadways and reservation of one coal pillar to mine one working face.
Manchao He, Qi Wang, Qunying Wu
doaj   +1 more source