Results 11 to 20 of about 4,472,603 (224)

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   +6 more sources

Design and Application of Virtual Reality System in Fully Mechanized Mining Face [PDF]

open access: yesProcedia Engineering, 2011
AbstractThis paper introduced function design and development flow of virtual reality system of fully mechanized mining face. In the process of geometric modeling, element partitioning, instance,atomization and other technologies were used to improve the real-time performance of virtual view. With hydraulic support as the example,based on analysis of 4-
Xiaoqiang, Zhang   +2 more
exaly   +3 more sources

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   +4 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

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   +5 more sources

Grid partition method of fully-mechanized coal mining face area and its applicatio

open access: yesGong-kuang zidonghua, 2018
In order to meet fine management requirements for fully-mechanized coal mining face production, a grid partition method of fully-mechanized coal mining face area was put forward.
QU Shijia
doaj   +2 more sources

Digital twin: meeting the technical challenges of intelligent fully mechanized working face

open access: yesGong-kuang zidonghua, 2022
The goal and task of intelligent fully mechanized working face are to independently complete the reliable coal cutting of the fully mechanized working face, maintain the geometric relationship of the working face and reliable roof support.
GE Shirong   +6 more
doaj   +2 more sources

Optimization of Process Control Parameters for Fully Mechanized Mining Face Based on ANN and GA. [PDF]

open access: yesComput Intell Neurosci, 2021
In the traditional optimization mathod, the process control parameters for fully mechanized mining face are determined by experts or technicians based on their own experience, which is lack of scientific basis, and need long production adjustment cycle. It is cause large loss, and not conducive to improving mine production efficiency. In order to solve
Zhao H, Xu Z, Li Q, Pan T.
europepmc   +4 more sources

Mathematical model of automatic following control in the middle of fully mechanized mining face

open access: yesGong-kuang zidonghua, 2016
With consideration of bi-directional cutting characteristics of fully mechanized mining face and analysis of coordinated control of shear, hydraulic support and scraper conveyor, a mathematical model was firstly proposed to describe curved path of ...
SHI Yong   +3 more
doaj   +2 more sources

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   +2 more sources

Home - About - Disclaimer - Privacy