Results 1 to 10 of about 265 (118)

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

open access: yesMeitan 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   +2 more sources

A Review of Intelligent Unmanned Mining Current Situation and Development Trend

open access: yesEnergies, 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   +5 more
doaj   +3 more sources

Research and application of automatic mining technology of unmanned fully-mechanized coal mining face

open access: yesGong-kuang zidonghua, 2015
In view of requirement of high efficient mining for unmanned fully-mechanized coal mining face, an automatic mining technology scheme of unmanned fully-mechanized coal mining face was proposed which takes cooperative control technology as core, automatic
WANG Feng
doaj   +2 more sources

Study on unmanned mining technology of fully mechanized coal mining face

open access: yesGong-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
doaj   +2 more sources

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

open access: yesSensors
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   +7 more
doaj   +2 more sources

Idea of whole design of unmanned fully-mechanized coal mining face and its implementation method

open access: yesGong-kuang zidonghua, 2013
Unmanned or lee-manned fully-mechanized coal mining face is a core topic about coal mine safety. A view was pointed out that automatic coal mining should be pondered on from the whole fully-mechanized system, and fully-mechanized equipments should be ...
FU Guo-jun, YANG Ming-liang, XU Tai-shan
doaj   +1 more source

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

open access: yesPLoS 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   +8 more
doaj   +2 more sources

Design and application of automatic cable dragging system for shearer

open access: yesMeitan 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   +4 more
doaj   +1 more source

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

open access: yesIEEE 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

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