Support vector machine-based mine fiber grating monitoring system missing data compensation method

A support vector machine and fiber grating technology, applied in data processing applications, measuring devices, instruments, etc., can solve problems such as the lack of mine fiber grating monitoring system and compensation for missing safety monitoring data, and achieve strong anti-electromagnetic interference ability and reliability The effect of high and long transmission distance

Active Publication Date: 2017-11-24
CHINA UNIV OF MINING & TECH
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AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for compensating for missing data in mine fiber grating monitoring systems based on support vector machines to solve the problem of missing compensation for safety monitoring data in the production process of mining engineering

Method used

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  • Support vector machine-based mine fiber grating monitoring system missing data compensation method
  • Support vector machine-based mine fiber grating monitoring system missing data compensation method
  • Support vector machine-based mine fiber grating monitoring system missing data compensation method

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Embodiment 1

[0057] Embodiment 1: as figure 1 The technical solution shown is: a support vector machine-based method for compensating missing data in mine fiber grating monitoring systems, including the following steps:

[0058] Step 1: Collect data from the sensor equipment of the mine fiber grating monitoring system;

[0059] Such as figure 2 The mine fiber grating monitoring system shown includes ground data processing and control subsystems, underground transmission and communication subsystems, and underground sensing equipment monitoring subsystems. The ground data processing and control subsystems include fiber grating signal processors and computer hosts. The transmission and communication subsystem includes mine communication optical cables and optical cable junction boxes, and the underground sensing equipment monitoring subsystem includes at least one fiber grating sensing equipment;

[0060] The fiber grating sensing device includes a fiber grating top plate separation instr...

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Abstract

The invention relates to a support vector machine-based mine fiber grating monitoring system missing data compensation method and belongs to the monitoring system missing data compensation method. The method includes the following steps that: step 1, a mine fiber grating monitoring system data sensing device performs data acquisition; step 2: monitoring data collected by the fiber grating sensing device are represented by time sequences and are preprocessed; step 3, the kernel function of a support vector machine is selected and constructed; step 4, the hyper-parameters of the support vector machine are selected and determined; step 5, a kernel matrix is built according to the determined kernel function, a loss function and penalty parameters, an optimization algorithm is adopted to get the optimal parameter value of the support vector machine; and step 6, the regression function model of the support vector machine is established, fitting regression analysis is performed on the data, so that the compensation result of missing data is obtained, and compensation work for the missing data is performed. With the support vector machine-based mine fiber grating monitoring system missing data compensation method of the invention adopted, the monitoring missing data can be compensated, and therefore, the monitoring data can be improved, and the data are closer to real and reliable data, and the safety production, construction and stability of a mine can be ensured.

Description

technical field [0001] The invention relates to a method for compensating missing data in a monitoring system, in particular to a method for compensating missing data in a mine optical fiber grating monitoring system based on a support vector machine. Background technique [0002] In the process of coal mine production, due to the influence of mining, the roadway and the roof of the working face are in an unstable state. With the continuous increase of the mining depth of the coal mine, the mine pressure of the coal mine and the safety pressure of the coal mine are more obvious, and the disasters caused are also increasing. The more serious it is, if the support measures are not taken in time, accidents such as roof caving, roadway deformation, impact mine pressure, gas explosion, coal mine water inrush, coal mine fire and other accidents will occur, which have caused huge losses to my country's coal mining industry and seriously affected It has ensured the safety of employees...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q50/02G01D21/02
CPCG01D21/02G06Q50/02
Inventor 方新秋梁敏富刘兴国吴刚陈宁宁
Owner CHINA UNIV OF MINING & TECH
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