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Early warning method for time domain-space domain ERT monitoring system

A monitoring system and space domain technology, applied in the early warning field of ERT monitoring system, can solve the problems of non-warning algorithm application, restriction of ERT monitoring system, difficulty in ensuring the efficiency and accuracy of identification, etc., and achieve the effect of curbing continuous spread

Active Publication Date: 2020-05-08
SHANDONG JIANZHU UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, at present, the analysis and processing of ERT detection data is mainly done manually, so it is difficult to guarantee the efficiency and accuracy of identification, which has become one of the key problems restricting the application of ERT monitoring system
At present, there is no effective early warning algorithm applied to ERT monitoring system

Method used

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  • Early warning method for time domain-space domain ERT monitoring system
  • Early warning method for time domain-space domain ERT monitoring system
  • Early warning method for time domain-space domain ERT monitoring system

Examples

Experimental program
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Embodiment 1

[0028] In one or more embodiments, an early warning method of an ERT monitoring system in a time domain-space domain is disclosed, such as figure 1 shown, including the following steps:

[0029] In the time domain:

[0030] Step 1. Set the threshold α;

[0031] Step 2. Obtain the apparent resistivity of different underground points;

[0032] Specifically, the measuring line is arranged in the electric field, several detection points are selected on the measuring line, and detection electrodes are inserted at each detection point; all detection electrodes are connected to the electric meter; the electric meter supplies power to the power supply electrodes to establish an electric field , to send a detection signal to all detection electrodes; then each measurement electrode starts to detect the potential of the corresponding detection point according to the detection control signal received by itself; the detected potential is uploaded to the electric meter, so that the elect...

Embodiment 2

[0056] In one or more embodiments, an early warning system of an ERT monitoring system in a time domain-space domain is disclosed, referring to figure 2 ,include:

[0057] The detection electrode used to obtain the apparent resistivity of different underground points, the detection host connected to the detection electrode and the server connected to the detection host. Wherein, the server is configured to include the following parts:

[0058] A device for obtaining the difference matrix between the resistivity value matrix measured at the current moment of a certain measuring line and the average value matrix of previous data;

[0059] A device for inferring whether there is a polluted area in the measuring line measured at the current moment according to the difference matrix;

[0060] means for determining the spatial location coordinates of the maxima and minima in said difference matrix;

[0061] A device for finding the same resistivity value as the space position co...

Embodiment 3

[0065] In one or more embodiments, a terminal device is disclosed, including a server, the server includes a memory, a processor, and a computer program stored on the memory and operable on the processor, and the processor executes the The program realizes the early warning method of the ERT monitoring system in the time domain-space domain in the first embodiment. For the sake of brevity, details are not repeated here.

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Abstract

The invention discloses an early warning method for a time domain-space domain ERT monitoring system, and the method comprises the steps: comparing differences between current monitoring data and early-stage data in a time domain, and judging whether there is pollution or not; then, in a spatial domain, calculating an initial clustering center in combination with spatial position coordinates of abnormal values in the difference matrix, performing k-means clustering on a resistivity value matrix of the measuring line at the current moment, and identifying a polluted area according to a clustering result; and finally, early warning information is issued, and the position and the range of the polluted area are given. The method has the advantages that the resistivity data set, obtained through ERT monitoring, of the measuring line can be processed, the polluted area is recognized, and early warning information is sent out.

Description

technical field [0001] The invention relates to the technical field of ERT (resistivity imaging) monitoring, in particular to an early warning method of a time domain-space domain ERT monitoring system. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] Environmental pollution is one of the hot issues in the world today. With the rapid development of industry, environmental pollution is becoming more and more serious, especially soil pollution is very serious. According to the "National Soil Pollution Survey Report" published by the Ministry of Environmental Protection in 2014, "the overall situation of the national soil environment is not optimistic, the soil pollution is relatively serious in some areas, the soil environmental quality of cultivated land is worrying, and the soil environmental problems of industrial and mining wasteland are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G01R27/20
CPCG01R27/20G06F18/23213Y02A90/30
Inventor 王玉玲刘梦晓徐亚宫淑兰张波
Owner SHANDONG JIANZHU UNIV
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