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Anchor rod body damage position identifying method based on neural network

A technology of damage location and neural network, which is applied in the direction of biological neural network model, neural architecture, measuring device, etc., can solve problems such as detection of damage location of anchor rods, and achieve the effects of improving efficiency, reducing time, and simple operation

Inactive Publication Date: 2016-12-07
CHINA UNIV OF MINING & TECH
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Problems solved by technology

[0003] The purpose of the present invention is to provide a neural network-based method for identifying the damage location of the bolt body, which can solve the problem of difficult detection of bolt damage and damage location

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  • Anchor rod body damage position identifying method based on neural network
  • Anchor rod body damage position identifying method based on neural network
  • Anchor rod body damage position identifying method based on neural network

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Embodiment 1

[0065] Embodiment 1: In order to make the purpose and advantages of the present invention clearer, the technical solution of the present invention is described in detail below in conjunction with the accompanying drawings:

[0066] figure 1 It is a schematic diagram of the neural network structure according to the BP algorithm of the present invention. according to figure 1 As shown, the algorithm’s forward calculation process and error back propagation process are the main two parts of the BP neural network algorithm; the forward calculation process is: the input information is input from the input layer, processed layer by layer through the hidden layer, and finally transmitted to the output layer , in the process of forward propagation of information, the state of the next layer of neurons is only affected by the state of the previous layer of neural network. If the error between the output layer and the expected value is large, it will turn to the error reverse process, ...

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Abstract

The invention discloses an anchor rod body damage position identifying method based on a neural network, and belongs to the field of anchor rod body damage position identifying method. According to the identifying method, the data observed in real engineering is inputted into a training sample of anchor rod body damage position data so as to train a neural network; then the trained neural network is used to detect the anchor rod bodies for supporting tunnels; according to inputted index parameters, through the feedback and analysis of the neutral network, the neutral network will predict the anchor rod body damage positions according to the prediction requirements; proper support parameters are chosen to carry out support control on the tunnels; and the obtained anchor rod body damage position data is utilized to judge the anchoring quality of the anchor rods so as to avoid the safety accidents caused by instable rocks. The provided method has the advantages that the nondestructive detection of anchor rods is realized, if the training sample is enough, the detection results are accurate, the operation is simple, and under the situation that the size of the rod body is known, only the anchor rod frequency of the supporting naked end of the anchor rods needs to be tested.

Description

technical field [0001] The invention relates to a method for identifying the damaged position of a bolt body, in particular to a method for recognizing the damaged position of a bolt body based on a neural network. Background technique [0002] In the current civil engineering construction, caverns, slopes, tunnels and mine roadway support often use a large number of bolts for anchoring treatment, and whether there will be damage after anchoring and the detection of the damage location are the evaluation of the later anchoring quality Very important, bolt damage and damage location detection is difficult to determine. Contents of the invention [0003] The purpose of the present invention is to provide a neural network-based method for identifying the damaged position of the anchor rod body, which can solve the problem of difficult detection of the damaged anchor rod and the damaged position. [0004] The purpose of the present invention is achieved like this: [0005] T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00G06N3/04
CPCG06N3/04G01N33/00G01N33/0078
Inventor 赵玉成王朋魏锋杨卫明黄丽陈培见李冲李二霞
Owner CHINA UNIV OF MINING & TECH
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