Results 21 to 30 of about 475 (132)
A Study of Multispectral Technology and Two-Dimension Autoencoder for Coal and Gangue Recognition
IEEE Access, 2020 Coal is one of the main sources of human energy. In the process of coal mining, separating gangue from coal has great significance for environmental protection and energy conservation.
Wenhao Lai +4 more
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Research on extraction of image gray information and texture features of coal and gangue image
Gong-kuang zidonghua, 2017 In view of problems of low identification accuracy and efficiency existed in most recognition method of coal and gangue image which only used gray mean and gray variance, an extraction method of gray information and texture features of coal and gangue ...
TAN Chunchao, YANG Jieming
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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
DING Zhen1, CHANG Boshen2
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Shock and Vibration, 2023 The broken top coal and gangue in the fully mechanized cave mining will be released from the rear of the hydraulic support in the form of bulk. In this process, the medium properties through the coal opening can be judged by monitoring the vibration ...
Lirong Wan +5 more
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Automatic separation method of coal and gangue based on wavelet transform
Gong-kuang zidonghua, 2018 In view of the problems of low recognition accuracy, multiple extraction parameters and low real-time processing efficiency of existing coal gangue recognition and separation methods based on image processing, an automatic separation method of coal ...
CHEN Li +4 more
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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
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PLoS ONE, 2022 To study the influence of the gangue content of coal gangue particles on the vibration signal of the tail beam under sliding condition, this paper combines three-dimensional(3D) laser scanning technology with the finite element method, establishes a ...
Lirong Wan +5 more
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Identification Method of Coal and Coal Gangue Based on Dielectric Characteristics
IEEE Access, 2021 To solve the problems of the difficult feature extraction, poor feature credibility and low recognition accuracy of coal and gangue, this paper utilizes the difference in the dielectric properties of coal and gangue and in combination with a support ...
Yongcun Guo +4 more
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Vibration-acoustic response characteristics of hydraulic support tail beam under coal-gangue impact
Gong-kuang zidonghuaCoal-gangue identification is a key technology for reducing the gangue content in raw coal during fully mechanized top-coal caving mining. Affected by the high dust concentration, low visibility, and limited operating space in underground working ...
YANG Yang +6 more
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Coal gangue detection and recognition algorithm based on deformable convolution YOLOv3
IET Image Processing, 2022 The intelligentisation of coal mines is the only approach to the high‐quality development of the coal industry. Detection, identification and sorting of coal gangue is an important part of the intelligentisation of coal mines.
De‐yong Li +3 more
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