Sleeper positioning method for tamping operation

A positioning method and sleeper technology, which is applied in image analysis, image enhancement, instruments, etc., can solve the problems of unstable state of picks, low degree of intelligence, and large manual investment, so as to achieve no need for manual intervention, high degree of automation, and reduce The effect of homework errors

Pending Publication Date: 2019-07-12
YUNNAN MINZU UNIV
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Problems solved by technology

[0004] In view of this, the ultimate goal of the present invention is to provide a method for locating the lower sleeper in the tamping op

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  • Sleeper positioning method for tamping operation
  • Sleeper positioning method for tamping operation
  • Sleeper positioning method for tamping operation

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Embodiment Construction

[0026] The present invention is a sleeper positioning method for tamping operations. Firstly, the industrial camera collects the track sleeper positioning image, imports the positioning image into the computer, and classifies and stores the image according to the image number to form a basic image database. At the same time, the frame grabber records The running state of the test vehicle under the current railway line to ensure the normal progress of the test collection work; secondly, use the MATLAB software to call the image in the basic image database for preprocessing of the sleeper positioning; thirdly, firstly use the image cropping operation to cut the sleeper image The target area; secondly, perform the opening operation on the target area, and at the same time perform binarization on the result of the image opening operation; fourthly, furthermore, carry out the image subtraction operation on the target area and the result of the opening operation, in addition, select t...

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Abstract

The invention discloses a sleeper positioning method for tamping operation. MATLAB software is used for calling a sleeper image in a basic image database, an image cutting operation is firstly adoptedfor cutting the sleeper image to obtain a target area of the sleeper image, then an opening operation is executed on the obtained target area, and meanwhile binarization processing is conducted on anopening operation result; furthermore, image subtraction (background subtraction) operation is carried out on the target area and the opening operation result, and in addition, rectangular structureelements and the binarization result are selected to carry out opening operation; then carrying out Canny edge detection on the opening operation; and the image data is processed according to a sleeper positioning algorithm to obtain a positioning result, and meanwhil a driving state monitoring result is recorded by the frame grabber. The technical problems that an existing rail line sleeper positioning mode is high in operation error, low in intelligent degree and unstable in lower pickaxe state are solved.

Description

technical field [0001] The invention relates to the field of railway engineering detection, in particular to a method for positioning a sleeper under a tamping operation. Background technique [0002] Tamping the ballasted track bed of the railway is to tamp the gap between the sleeper and the track bed, so that the sleeper and the rail are evenly stressed, and the track bed is flat and dense, so as to stabilize the position of the track after lifting and shifting, and improve the cushioning capacity of the track bed, thereby To ensure the safe operation of the railway. The tamping of ballasted railways is usually done by a large-scale road maintenance mechanical tamping vehicle, and the tamping vehicle needs to determine the position of the pick in advance during the operation process. Once the positioning is wrong, the pick may damage the railway and sleepers, and even damage the tamping The car itself, so the positioning of the lower pick is an important link in the tamp...

Claims

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Application Information

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IPC IPC(8): G06T7/73G06T7/13G06T7/155G06T7/174
CPCG06T7/73G06T7/13G06T7/155G06T7/174G06T2207/20224
Inventor 吴海锋高萌
Owner YUNNAN MINZU UNIV
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