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Method and device for detecting train brake pads

A detection method and detection device technology, which are applied in character and pattern recognition, image analysis, instruments, etc., can solve problems such as hidden dangers of train safety, weakened braking ability, and high work intensity.

Active Publication Date: 2021-06-04
CHENGDU TIEAN SCI & TECH
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  • Abstract
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Problems solved by technology

According to its principle, the thickness of the brake pad will become thinner due to long-term wear. When the thickness value is less than a certain value, its braking ability will be weakened, which will bring safety hazards to the train.
[0003] In the existing train safety monitoring equipment, the detection of the thickness of the brake pads basically relies on manual measurement, which has a large work intensity and a large error in the measurement value, and can only be measured when the train is stationary, which affects the operating efficiency of the train; some train brakes The sheet detection method simply locates the brake sheet area by performing edge detection technology on the image, and then estimates the thickness of the brake sheet
However, due to the influence of miscellaneous edges and edge fractures, it is impossible to reliably determine the position of the brake pads, let alone calculate the thickness of the brake pads accurately

Method used

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  • Method and device for detecting train brake pads
  • Method and device for detecting train brake pads
  • Method and device for detecting train brake pads

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Embodiment Construction

[0058] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0059] like figure 2As shown, one embodiment of the present invention provides a kind of train brake pad detection method, comprises:

[0060] Step S1: Obtain the image of the bottom area of ​​the train wheel;

[0061] Step S2: Acquiring the image of the brake pad area by performing pattern recognition on the image of the wheel bottom area;

[0062] Step S3: Determining the left edge and the right edge of the brake sheet by performing edge detection on the image of the brake sheet area;

[0063] Step S4: According to the left edge and the right edge, determine the pixel thickness of the shutter based on a clustering algorithm.

[0064] figure 1 The structure of the bottom of the wheel is shown. In the figure, 5 is t...

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Abstract

The invention relates to the field of train detection, in particular to a method and device for detecting train brake pads. The method includes: step 1: acquiring the image of the wheel bottom area of ​​the train; step 2: acquiring the image of the brake pad area by performing pattern recognition on the image of the wheel bottom area; step 3: performing edge detection on the image of the brake pad area to determine the left edge and the right edge of the shutter; step 4: according to the left edge and the right edge, determine the pixel thickness of the shutter based on a clustering algorithm. By using the method of the invention, the thickness of the train brake pad can be accurately detected.

Description

technical field [0001] The invention relates to the field of train detection, in particular to a method and device for detecting train brake pads. Background technique [0002] The brake pad is one of the core components of the train braking device. When the train is braking, it is closely attached to the brake disc under the action of the brake caliper, generating huge friction to slow the train down. When the train is moving, the brake pads are in a state of being loosened from the brake disc. According to its principle, the thickness of the brake pad will become thinner due to long-term wear and tear. When the thickness value is less than a certain value, its braking ability will be weakened, thereby bringing potential safety hazards to the train. [0003] In the existing train safety monitoring equipment, the detection of the thickness of the brake plate basically relies on manual measurement, which has a large work intensity and large error in the measurement value, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/60G06T7/00G06T7/13G06K9/62
CPCG06T7/60G06T7/0004G06T7/13G06F18/23
Inventor 杨凯彭朝勇张渝彭建平王黎赵全轲高晓蓉马莉何圣熙文鑫邱贺
Owner CHENGDU TIEAN SCI & TECH
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