Train running gear fault diagnosis method and train running gear fault diagnosis device

A technology of fault diagnosis and running department, applied in the direction of railway vehicle testing, etc., can solve the problems of wasting human resources, not timely and accurately diagnosing faults, and cumbersome diagnostic process

Inactive Publication Date: 2015-05-20
CHENGDU TIEAN SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the need for a large number of technicians and fault diagnosis equipment to diagnose the fault of the train running part, the diagnosis process is also very cumb

Method used

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  • Train running gear fault diagnosis method and train running gear fault diagnosis device
  • Train running gear fault diagnosis method and train running gear fault diagnosis device
  • Train running gear fault diagnosis method and train running gear fault diagnosis device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Please refer to figure 1 , figure 1 It is a flowchart of a fault diagnosis method for a train running part provided by the present invention. As shown in the figure, the method includes the following steps:

[0056] Step S101, collecting the speed of the train;

[0057] Step S102, judging whether the speed of the train exceeds the preset range, if so, proceed to step S103, otherwise, return to step S101;

[0058] Step S103 , adjust the photographing frequency of the photographing component so that the photographing frequency matches the speed of the train, and proceed to step S104 .

[0059] Step S104 , collecting images of the running part of the train captured by the imaging component using the adjusted imaging frequency.

[0060] Wherein, the image of the running part of the train includes the vehicle number and terminal number of the train.

[0061] The camera part can be a camera, a video head or other parts with camera functions, and the number of the camera p...

Embodiment 2

[0074] Based on a method for diagnosing faults of the running part of a train disclosed in Embodiment 1 of the present invention, Embodiment 2 of the present invention mainly discloses in step S103: adjusting the photographing frequency of the camera component so that the photographing frequency is consistent with the speed of the train Matching, this step preferably adopts the following steps to realize:

[0075] Step S201, when the speed of the train exceeds the maximum threshold of the preset range, increase the photographing frequency of the camera unit so that the photographing frequency matches the speed of the train;

[0076] In step S201, when it is judged that the speed of the train exceeds the maximum threshold of the preset range, a frequency increase instruction is sent to the imaging unit, so that the imaging frequency of the imaging unit can be increased to match the speed of the train. At this time, the imaging unit The train is photographed at a photographing f...

Embodiment 3

[0086] Based on a method for diagnosing a train running part fault disclosed in Embodiment 1 and Embodiment 2 of the present invention, preferably, the first preset algorithm includes an image registration algorithm, and in step S105: use the first preset algorithm to convert the The image of the running part of the train is compared with the image of the standard template, and this step preferably includes the following steps:

[0087] Step S401, registering and aligning the image of the running part of the train with the image of the standard template, and searching for an overlapping area between the image of the running part of the train and the image of the standard template;

[0088] Step S402, performing feature vector extraction in the overlapping area of ​​the train running part image and the standard template image, and performing comparative analysis;

[0089] Among them, the use of eigenvectors for comparative analysis can avoid the pixel-level comparison between i...

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Abstract

The invention discloses a train running gear fault diagnosis method and a train running gear fault diagnosis device. The method includes acquiring a train speed; adjusting shooting frequency of a camera shooting component to enable the shooting frequency to be matched with the train speed when the train speed exceeding a preset range is judged, and acquiring a train running gear image shot by the camera shooting component according to the adjusted shooting frequency; searching a standard template image corresponding to the train running gear image from a preset database, comparing the train running gear image with a standard template according to a first preset algorithm, marking different positions on the train running gear image when a comparison result indicates difference between the two, and confirming that a train has faults; displaying the train running gear image marked with the different positions. By the train running gear fault diagnosis method, quick and accurate train running gear fault diagnosis is achieved, and a great quantity of manpower and material resources are saved.

Description

technical field [0001] The invention relates to the technical field of fault diagnosis, in particular to a fault diagnosis method and device for a running part of a train. Background technique [0002] The running part of the train is composed of wheel sets, axle boxes, side frames and traction motors. It is the part of the train running along the line under the action of traction power. The function of the running part is to ensure the safe and smooth running of the train along the track and through the curved track. , Whether there is a difference in the running part of the work is directly related to the smooth flow of train traffic, and is more related to the safety of passengers and drivers. Therefore, the fault diagnosis of the running part must be timely and accurate. [0003] In the fault diagnosis of the running part, the manual diagnosis method is generally used to diagnose the fault of the train, and technicians need to use fault diagnosis equipment to conduct a c...

Claims

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Application Information

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IPC IPC(8): G01M17/08
Inventor 杨凯张渝王泽勇赵全轲高晓蓉彭朝勇彭建平梁斌戴立新许姜严杨幻
Owner CHENGDU TIEAN SCI & TECH
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