Results 21 to 30 of about 4,764 (197)

The Impact Behavior between Coal Gangue Particles and the Tail Beam Based on Rock Failure

Shock and Vibration, 2021
In top coal caving mining, common impact occurs between coal gangue particles and tail beam. Little attention has been paid to the effects of coal gangue particles failure on impact force and tail beam response theoretically, numerically, and ...
Zhengyuan Xin, Qingliang Zeng, Yang Yang
doaj   +2 more sources

Near-infrared reflectance spectrum data preprocessing method for coal gangue identification

Gong-kuang zidonghua, 2021
When using near-infrared reflectance spectrum to identify coal gangue, the change of detection distance between spectrum acquisition device and working face and dust interference will affect near-infrared reflectance spectrum. In order to select the best pre-processing method for near infrared reflectance spectrum for coal gangue, samples of anthracite
DING Zhen1, CHANG Boshen2
openaire   +3 more sources

Multispectral Imaging: A New Solution for Identification of Coal and Gangue

IEEE Access, 2019
Accurate identification of coal and gangue is an important prerequisite for the effective separation of coal and gangue. The application of imaging technology combined with image processing steps (like enhancement, feature extraction, etc.) and ...
Feng Hu, Mengran Zhou, Pengcheng Yan, Kai Bian, Rongying Dai   +4 more
doaj   +3 more sources

Experiment on accurate identification of thermal image of coal-gangue mixture under a simulated dusky and wet condition

Meitan xuebao
As an important component of intelligent mine construction, the underground intelligent separation of coal and gangue can effectively improve the green utilization of mine resources. At present, the visible light image recognition technology for the identification of coal-gangue mixture in dark and humid underground environment remains to be improved ...
Pengfei SHAN, Chenwei LI, Xingping LAI, Haoqiang SUN, Xu LIANG, Xingzhou CHEN, Limei FU   +6 more
openaire   +3 more sources

Research on Gangue Detection Algorithm Based on Cross-Scale Feature Fusion and Dynamic Pruning

Algorithms
The intelligent identification of coal gangue on industrial conveyor belts is a crucial technology for the precise sorting of coal gangue. To address the issues in coal gangue detection algorithms, such as high false negative rates, complex network ...
Haojie Wang, Pingqing Fan, Xipei Ma, Yansong Wang   +3 more
doaj   +2 more sources

Theory and key technologies for intelligent fully-mechanized top-coal caving faces of annual production of millions of tons [PDF]

Meitan kexue jishu
The research focused on addressing various challenges in intelligent top caving theory, intelligent perception and recognition key technology, intelligent caving comprehensive decision-making technology, and remote caving intelligent control technology ...
Bin YU, Yang TAI, Gang XU, Yong LI, Dongyin LI, Shibo WANG, Tiejun KUANG, Ercun MENG   +7 more
doaj   +2 more sources

Monitoring Burning Coal Gangue Dump Based on the 3-D Thermal Infrared Model

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Coal gangue is the byproduct of coal mining and preparation. Due to its susceptibility to spontaneous combustion, it causes significant environmental hazards when piled up in open dumps. The fire not only harms the environment but also poses health risks
Zhenlu Shao, Tong Yang, Rong Deng, Hongwen Shao   +3 more
doaj   +2 more sources

Recognition method of coal and gangue based on multispectral spectral characteristics combined with one-dimensional convolutional neural network

Frontiers in Earth Science, 2022
Accurate identification of coal and gangue is very important for realizing efficient separation of coal and gangue and clean utilization of coal. Therefore, a method for identifying coal and gangue by using multispectral spectral information and a ...
Feng Hu, Feng Hu, Mengran Zhou, Mengran Zhou, Rongying Dai, Yu Liu   +5 more
doaj   +1 more source

Research on the Identification Mechanism of Coal Gangue Based on the Differences of Mineral Components

ACS Omega, 2022
For coal and gangue, intelligent sorting processes for separation, the use of coal and gangue mineral components with different fundamental differences, and the study of different properties of minerals and coal with different scales and density regarding the gray value change law are presented.
Chenguang Yang, Jianqiang Yin, Liqin Wu, Qiuyu Zeng, Liwei Zhang   +4 more
openaire   +2 more sources

Classification of coal gangue pile vegetation based on UAV remote sensing [PDF]

, 2023
The accurate classification of vegetation species is the basis for the evaluation of vegetation restoration effect of coal gangue pile. In this paper, the visible image of coal gangue pile in different seasons was obtained by UAV remote sensing ...
Zhenqi HU, Tao ZHOU, Shuguang LIU, Mengying RUAN, Yuhang ZHANG   +4 more
core   +1 more source