Results 1 to 10 of about 16,115 (235)

CM-YOLOv8: Lightweight YOLO for Coal Mine Fully Mechanized Mining Face. [PDF]

open access: yesSensors (Basel)
With the continuous development of deep learning, the application of object detection based on deep neural network in the coal mine has been expanding. Simultaneously, as the production applications demand higher recognition accuracy, most research chooses to enlarge the depth and parameters of the network to improve accuracy.
Fan Y, Mao S, Li M, Wu Z, Kang J.
europepmc   +4 more sources

Research on an Intelligent Mining Complete System of a Fully Mechanized Mining Face in Thin Coal Seam. [PDF]

open access: yesSensors (Basel), 2023
The mining environment of thin coal seam working faces is generally harsh, the labor intensity is high, and the production efficiency is low. Previous studies have shown that thin coal seam mining finds it difficult to follow machines, does not have complete sets of equipment, has a low degree of automation, and has difficult system co-control, which ...
Ren B   +5 more
europepmc   +4 more sources

Probe on concept of automatic fully-mechanized coal mining face

open access: yesGong-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
doaj   +2 more sources

Research on fully mechanized mining equipment removal planning during sequencing working face

open access: yesGong-kuang zidonghua, 2022
The current fully mechanized mining equipment removal plan during sequencing working face mainly depends on manual preparation. The large workload and low efficiency lead to the extension of the construction period.
SHI Menghan, ZHU Weibing, REN Haibing
doaj   +2 more sources

Sudden change mechanism of mine pressure in fully mechanized caving face and its countermeasures

open access: yesMeikuang Anquan, 2022
In view of the sudden change of mine pressure in 226 upper 02 fully mechanized caving face of Huangyuchuan Coal Mine, the mechanism and countermeasures of sudden change of mine pressure in fully mechanized caving face are studied by using the methods of
LI Yong, WANG Zhuoying
doaj   +2 more sources

Research of automation system integration of fully mechanized coal mining face

open access: yesGong-kuang zidonghua, 2014
The paper analyzed functions and problems of automation system of fully mechanized coal mining face, and studied automation integration solutions of fully mechanized coal mining face, which had guiding significance for implementation of automation of ...
XIA Huguo, SONG Weijun, YANG Xianguo
doaj   +2 more sources

Sparse crowd sensing method for methane concentration field in coal mine fully mechanized mining face

open access: yesMeikuang Anquan
In view of the lack of methane monitoring points in coal mine fully mechanized mining face, it is difficult to achieve for high coverage methane concentration monitoring in the mining face area.
Jing ZHANG   +3 more
doaj   +2 more sources

Effect of Face Length in Initial Mining Stage of Fully Mechanized Top-coal Caving Face With Large Mining Height [PDF]

open access: yesGeotechnical and Geological Engineering, 2021
Abstract Based on the field measurement of the end resistance of the support during the initial weighting of the basic roof and the macroscopic mine pressure behavior during the weighting period of 101,22211,103 and 301 fully mechanized caving face in Changchun Xing Coal Mine, the mine pressure law of the working face is summarized and compared,
Jianhang Wang   +4 more
openaire   +1 more source

Numerical and in-situ investigation on the ground behavior of the end roof in fully mechanized caving face [PDF]

open access: yesE3S Web of Conferences, 2021
Fully mechanized top coal caving is a major high-yield and high-efficiency coal mining method for thick seam mining. At present, it is affected by the further popularization and application of fully mechanized caving mining because the recovery rate is ...
Zang Chuanwei   +5 more
doaj   +1 more source

UDEC Numerical Analysis for Surface Subsidence Characteristics Under Different Mining Methods

open access: yesMeikuang Anquan, 2020
UDEC is used to analyze the surface subsidence characteristics under different steps of fully mechanized and layered mining face. The research results show that the trend of surface subsidence in the lower layer mining face and the fully mechanized ...
LIU Zhaoxing
doaj   +1 more source

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