Results 101 to 110 of about 800 (179)

Research on the Mechanism and Control of Spalling on 8 m Fully Mechanized Mining Face in Huoxi Coalfield

open access: yesApplied Sciences
The great success of fully mechanized mining with a large mining height of 8 m and above in Mongolia and Shaanxi proves the feasibility of this technology. Although fully mechanized mining with a large mining height significantly increases the production
Lin Meng   +3 more
doaj   +1 more source

Present situation of support technology and equipment in fully mechanized mining face with supermining height

open access: yesMeikuang Anquan
One-time full-thickness mining with ultra-high mining height has the characteristics of high mining efficiency and high resource recovery rate. In order to explore the further breakthrough of ultra-high mining height fully mechanized mining technology and analyze the feasibility of surrounding rock stability control of its working face, on the basis of
Huijun HAN   +4 more
openaire   +1 more source

A research study of lightweight state perception algorithm based on improved YOLOv5s‐Tiny for fully mechanized top‐coal caving mining

open access: yes
Real‐time monitoring of the coal caving process in fully mechanized mining is crucial for achieving intelligent and efficient top‐coal caving. While the coal gangue identification method, employing vision and deep learning, has advanced in the realm of ...
PengFei Shan   +3 more
core   +1 more source

Multi-dimensional constraint-based coal mining machine cutting path planning technology

open access: yesMeitan xuebao
The cutting path planning technology for coal mining machines is one of the key technologies for achieving intelligent mining in fully mechanized mining faces.
Shuyang SONG   +4 more
doaj   +1 more source

Photoelastic experimental study on the force chain structure and evolution in top coal and overlaying strata under fully mechanized top coal caving mining

open access: yes, 2017
In top coal caving mining, the state of top coal and overburden strata changes from continuous media to discontinuous and loose aggregate media. It is difficult to theoretically describe the transition and action of mining induced pressure in discrete ...
WANG Mei-mei   +4 more
core   +1 more source

Research on equipments cooperative advancing control technology on fully-mechanized coal mining face and two-roadways

open access: yesGong-kuang zidonghua, 2018
For problems of low automation level and poor cooperative control of equipments on fully-mechanized coal mining face and two-roadways, a scheme of equipments cooperative advancing control technology on fully-mechanized coal mining face and two-roadways was proposed, which took self-advancing control technology of support, transportation and auxiliary ...
openaire   +1 more source

Failure characteristic and fracture evolution law of overburden of thick coal in fully mechanized sub-level caving mining

open access: yes, 2017
In mining process, the height of water flowing fractured zone is important significance to prevent mine of water and gas, in order to further research the failure characteristic of the overlying strata.
Nur Asiha Binti Sazali
core  

Working face status detection in coal mine based on YOLOv8-EST. [PDF]

open access: yesSci Rep
Wang H   +5 more
europepmc   +1 more source

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