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Thermal infrared information denoising method in coal petrography fracture development process

A development process, thermal infrared technology, applied in the field of thermal infrared information denoising, can solve problems such as the influence of the average temperature of infrared radiation on the surface of coal and rock, and achieve the effect of overcoming the large influence of noise factors on the experiment, reducing the influence of errors, and the method is simple

Active Publication Date: 2015-07-08
CHINA UNIV OF MINING & TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide a thermal infrared information denoising method in the process of coal and rock fissure development, to solve the problem of the influence of noise on the average temperature of infrared radiation on the surface of coal and rock

Method used

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  • Thermal infrared information denoising method in coal petrography fracture development process

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Embodiment Construction

[0037] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0038] In the method for processing data of coal and rock fissure development infrared radiation monitoring test of the present invention, the data collection includes utilizing a rock press 2, an infrared thermal imager 5, and a second computer 4, and the specific steps of the test are as follows:

[0039] a. Close the doors and windows of the laboratory before the start of the test to prevent the influence of outdoor infrared radiation energy on the test environment;

[0040] b. Raise the ejector rod of the rock press, add the heat insulation box to the rock press, and lower the ejector rod to pass through the round hole on the heat insulation box;

[0041] c, the prepared two coal rock test blocks are respectively arranged on the workbench 12 and the bearing 9, and a coal rock test block on the workbench 12 is the loaded coal rock test block 13, and the ...

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Abstract

The invention discloses a thermal infrared information denoising method in the coal petrography fracture development process, and belongs to a thermal infrared information denoising method. According to the method, denoising is performed on the loading coal petrography surface infrared radiation average temperature by utilizing the reference coal petrography surface infrared radiation average temperature, and then loading coal petrography surface infrared radiation average temperature change characteristics in the uniaxial loading process is obtained. According to the thermal infrared information denoising method in the coal petrography fracture development process, the problem that noise influences the coal petrography surface infrared radiation average temperature is thoroughly solved, the accuracy, the scientificity and the effectiveness of Infrared radiation average temperature data are improved, therefore, the denoised loading coal petrography surface infrared radiation average temperature change characteristics are obvious and have the inducible property, and the problem that the noise influences the coal petrography surface infrared radiation average temperature can be solved.

Description

technical field [0001] The invention relates to a method for denoising thermal infrared information, in particular to a method for denoising thermal infrared information during the development of coal and rock fissures. Background technique [0002] Infrared detection technology has been widely used in the study of the change law of coal rock fracture and instability catastrophe, so as to carry out effective monitoring and early warning of coal rock catastrophe. Some scholars believe that the average temperature of infrared radiation, as a quantitative index for studying the characteristics of infrared radiation during the loading process of coal and rock, can effectively reflect the precursor of coal rock rupture or instability. However, the dispersion of the average temperature of infrared radiation obtained by the experiment is very large, which leads to conflicting conclusions of related research. The reason can be attributed to two aspects. One is that when the tempera...

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Application Information

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IPC IPC(8): G01J5/06
Inventor 马立强孙海张垚孙强李珂余伊河郭晓炜
Owner CHINA UNIV OF MINING & TECH
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