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Coal-Gangue Interface Detection Based on Ensemble

2021-4-1  Coal-Gangue Interface Detection Based on Ensemble Empirical Mode Decomposition Energy Entropy. Abstract: To realize the unmanned automation of the full mechanized

Coal Gangue Interface Recognition Based on MFCC

In view of the existing coal gangue interface identification technology use ray method that it is not applicable to the working face what it dose not contain radioactive

[PDF] Coal Gangue Interface Detection based on IMF

A new method to detect coal gangue interface by utilizing vibration signal of coal and gangue is presented for coal and gangue interface detection on fully

Coal-gangue interface detection based on Hilbert

2014-7-8  Coal-gangue interface detection during top-coal caving mining is a challenging problem. This paper proposes a new empirical approach to detect the coal-gangue

Coal-gangue interface detection based on Hilbert

2019-12-10  Coal-gangue interface detection during top-coal caving mining is a challenging problem. This paper proposes a new empirical approach to detect the coal-gangue

Valorization of calcined coal gangue as coarse

Influence of calcined coal gangue aggregates on interface structure of concrete Interface structure of concrete will affect its strength and further transport of

Utilization of coal gangue as coarse aggregates in

2021-1-25  This fact results from the porosity and rough texture of coal gangue particles which enhance the interface bond with cement pastes and absorb more water during mixing.

Radiation characteristics of natural gamma-ray from

2018-1-9  The coal and gangue recognition technology by means of natural ray determines the gangue content in coal and gangue mixture stream based on the natural

Coal Gangue Interface Recognition Based on MFCC

In view of the existing coal gangue interface identification technology use ray method that it is not applicable to the working face what it dose not contain radioactive elements in the roof or contain low amounts of radioactive elements, and the detection range of radar detection is lesser, the signal attenuation is relatively serious, so putting forward a kind of coal gangue interface

Coal-gangue interface detection based on Hilbert

2014-7-8  Coal-gangue interface detection during top-coal caving mining is a challenging problem. This paper proposes a new empirical approach to detect the coal-gangue interface based on vibration signal analysis of the tail boom support of the longwall mining machine.

[PDF] Coal Gangue Interface Detection based on IMF

A new method to detect coal gangue interface by utilizing vibration signal of coal and gangue is presented for coal and gangue interface detection on fully mechanized mining face. Because of non-stationary characteristics contained in response signals under complicated environment, empirical mode decomposition algorithm was used to decompose the original vibration signal into the intrinsic

Coal-gangue interface detection based on Hilbert

2019-12-10  Coal-gangue interface detection during top-coal caving mining is a challenging problem. This paper proposes a new empirical approach to detect the coal-gangue interface based on

Embankment Displacement PLAXIS Simulation and

2020-2-28  and second layers of coal gangue subgrade boundary (A Interface), the coal gangue subgrade and the lower clay boundary (B Interface) and the clay layer and the dense sand layer boundary. The three. Minerals 2020, 10, 218 4 of 15 interface virtual thickness factors are 0.1. Since the strength of the interface is lower than that of the

Liu,He,Gao,Liu : Application of EMD-Based SVD

Coal-gangue interface detection during top-coal caving mining is a challenging problem. This paper proposes a new vibration signal analysis approach to detecting the coal-gangue interface based on singular value decomposition (SVD) techniques and support vector machines (SVMs).

Valorization of calcined coal gangue as coarse aggregate in

2021-4-29  Coal gangue is a by-product generated from coal mining and washing. Using coal gangue as aggregate is an effective approach of valorization this high-volume industrial waste, not only solving the environmental issue of accumulation but also reducing

Visual Positioning and Recognition of Gangues Based

2019-7-5  The recognition results of coal and gangue are listed in Table 1. The results show that the gangues were identified accurately. In other words, the GLCM-based recognition method can effectively distinguish between gangue and coal, after the preparation of scratch features. Table 1. Recognition results of coal and gangue

Research on Coal and Rock Type Recognition Based

2021-3-13  In order to identify different kinds of coal, rock, and gangue, the FPV integrated image transmission camera is used to collect images of 6 types of coal, 8 types of rocks, and 2 types of coal gangue, and the images are processed based on the two-dimensional discrete wavelet transform (2D-DWT) based on the steerable pyramid decomposition (SPD). The maximum likelihood estimation

Application of EMD-Based SVD and SVM to Coal

Coal-gangue interface detection during top-coal caving mining is a challenging problem. This paper proposes a new vibration signal analysis approach to detecting the coal-gangue interface based on singular value decomposition (SVD) techniques and support vector machines (SVMs). Due to the nonstationary characteristics in vibration signals of the tail boom support of the longwall mining

Automatic Separation System of Coal Gangue Based

It is important to separate coal gangue from lump coal during the production of coal mine. The system investigated the fundamental characteristics of coal images and gangue images on the basis of digital image processing technology. Median filter, edge extraction and grayscale comparison of coal images and gangue images were successively carried out by the technology of image preprocessing

Visual Positioning and Recognition of Gangues Based

2019-7-5  The recognition results of coal and gangue are listed in Table 1. The results show that the gangues were identified accurately. In other words, the GLCM-based recognition method can effectively distinguish between gangue and coal, after the preparation of scratch features. Table 1. Recognition results of coal and gangue

Corrosion behavior of steel rebar in coal gangue-based

Coal gangue is the solid waste from the coal industry. Gangue emissions form about 10% of coal production. The accumulated stockpile of coal gangue has reached 3.8 billion tons and it is estimated that over 200 million metric tons of this waste is impounded annually in China (National Economic and Trade Commission, 1999). The latest data from

煤矸石作为环境材料资源化再利用研究进展

2019-12-19  The coal gangue enjoys a certain adsorption performance against pollutants such as nutrients, heavy metals and organic matter. Thus, it can be used as the economical adsorbent after pretreatment. With its high strength after being calcinated, it can be used as recycled building aggregate to produce permeable bricks and permeable asphalt.

StudyontheFailureCharacteristicsofCoalWall

2020-12-14  spalling. erefore, when there is upper gangue or no gangue,thespallingareaofcoalwallislarger;whenthereis middleorlowergangue,thespallingareaissmaller.(2)

李金洪_百度百科

2015-10-1  Synthesis of Na-A zeolite from coal gangue with the in-situ crystallization technique. Adv. Powder Technol. 2015,26(1):98-104 24. Wei-min Guan, Jin-hong Li*, Ting-ting Qian, Xiang Wang, Yong Deng. Preparation of paraffin/expanded vermiculite with

李珠-太原理工大学土木工程学院 tyut.edu

2016-4-28  Mix design for thermal insulation concrete using waste coal gangue as aggregate,Materials Research Innovations, 2015,19(5):878-884. ( 8 ) .Gang Ma , Yu Zhang , Yuanzhen Liu , Zhu Li(*). Influencing factors on the interface microhardness of lightweight aggregate concrete consisting of glazed hollow bead, Advances in Materials Science and Engineering,2015

季节 北京建筑大学 土木与交通工程学院

Key Engineering Materials,2011,477:157-163. EI [8] Cao D, Ji J. Evaluation of the Long-term Properties of Sasobit Modified Asphalt. International Journal of Pavement Research & Technology,2011,4(6): 384-391. EI [9] Cao D, Ji J,et al. Coal gangue applied to low

张玉-太原理工大学土木工程学院 tyut.edu

2018-9-17  一、个人简介姓名:张玉性别:女出生年月:1987.5职称:副教授职务:教师最高学历:博士工作部门:太原理工大学土木工程学院二、学习与工作经历2021/03至今 日本东京大学(University of Tokyo ),国家公派访问学者2018/12至今 太原理工大学