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

PLoS One
Wang Y, Wang X, Lin G, Zhao L, Liu X, Jia B, Wang Y, He J, Ma L.   +8 more
europepmc   +1 more source

Capital in Agriculture: Its Formation and Financing Since 1870 [PDF]

Alvin S. Tostlebe
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Robot control system for inspection of fully mechanized coal mining face

2021 18th International Conference on Ubiquitous Robots (UR), 2021
In order to realize the roboticization of fully mechanized coal mining face inspection, the fully mechanized coal mining face inspection robot control system was designed according to the mechanical structure of the hang inspection robot based on the flexible track designed by the team and the inspection requirements of the fully mechanized coal mining
Xuhui Zhang, Xinjian Huo, Yonggang Du
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Technological optimization of fully mechanized caving mining face with large mining heights

Journal of Coal Science and Engineering (China), 2013
Fully mechanized cave mining with large mining height is a new mining method, due to its large mining thickness and lower roadway excavation, the technology has been widely used in China’s thick seam mining. In order to improve the top-coal recovery ratio of fully mechanized cave mining with large mining height, a study was conducted on optimizing the ...
Lu-Jia Fan, Sheng-Li Yang
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Research on Rotation Mining with Large Angle for Unequal and Fully Mechanized Mining Face

Advanced Materials Research, 2012
Coal is one of the non-renewable resources, and in our country at present also is the main source of energy. It is very important to improve the coal mining rate, to exploit and to use the coal reasonably. Saving coal resource is an important measure for our coal industries sustainable development. Because large amounts of coal under complex conditions
Zhi Tao Ma, Sai Jiang Liang, Yong Ping Wang   +2 more
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Study on Suddenly Extrusion Mechanism and Forecasting of Deep Mine Fully Mechanized Mine Head Face

Advanced Materials Research, 2011
In view of the Huai Nan mining area deep mine Dingji mine fully mechanized mine head face low-index outburst suddenly extrusion the region gas geological feature, analysis mechanism of the suddenly extrusion frictional sliding instability. The research gain sensitive index critical value drilling bits S and depth of hole coefficient S′, drilling gas ...
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Maximal Predicable Time Scale of Gas Emission about Fully Mechanized Mining Face

Materials Science Forum, 2016
Aimed at the issue that predicable time scale is neglected about the current gas emission forecast method, the Lyapunov index method in the chaos theory is adopted to research the predicable time scales of gas emission. The measured data of gas emission about a fully mechanized mining face was investgated.
Li Wen He, Yi Song, Zheng Hua Tan, Hai Yang Long   +3 more
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Mine pressure prediction model of fully mechanized mining face based on Improved Transformer

2022 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC), 2022
YaPing Liu, LiHong Dong, Ou Ye
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Strata-pressure behavior of double-unit mining method combining fully-mechanized and mechanized coal face

Journal of Coal Science and Engineering (China), 2013
Based on the engineering background of double-unit face mining under complicated geological conditions and the lagging fully-mechanized face surpassing the fore mechanized face of double-unit face in Zhou Yuanshan coal mine, strata-pressure behavior in the process was analyzed based on FLAC3D and on-site measurement.
Fu-Jun Zhao, Yan-Fei Xu, Guo-Ju Wang
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Application Research on Coal Mining Technology in Fully Mechanized Mining Face

Foreign Language Science and Technology Journal Database Engineering Technology, 2022
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