Rail corrugation detection method

A detection method and track technology, applied in the direction of measuring devices, railway vehicle shape measuring devices, railway car body components, etc., can solve the problems of high cost and poor accuracy of track tread corrugation detection, and achieve low cost, high accuracy, strong discriminative effect

Active Publication Date: 2018-12-18
JIANGXI UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above situation, it is necessary to provide a rail corrugation detection method

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  • Rail corrugation detection method
  • Rail corrugation detection method
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Embodiment Construction

[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0030] These and other aspects of embodiments of the invention will become apparent with reference to the following description and drawings. In these descriptions and drawings, some specific implementations of the embodiments of the present invention are specifically disclosed to represent some ways of implementing the principles of the embodiments of the present invention, but it should be understood that the scope of the embodiments of the present invention is not limited by This restriction. On the contrary, the embodiments of the p...

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Abstract

The invention provides a rail corrugation detection method. The rail corrugation detection method comprises the steps that high signals and low signals of a rail tread of a first preset length are acquired to serve as to-be-detected data samples; the to-be-detected data samples are grouped, and the information dimension of each data group is calculated according to an information dimension algorithm; and the information dimensions of the to-be-detected data samples are compared with the standard information dimension of a standard sample to determine whether or not the rail tread generates a corrugation fault. According to the method, the corrugation state of the rail tread is described by means of the information dimensions, the sensitivity and the stability are considered simultaneouslyby taking the information dimensions as feature vectors, the cost is low, the precision is high, and early signs of corrugation can be found in time.

Description

technical field [0001] The invention relates to the field of rail detection, in particular to a rail corrugation detection method. Background technique [0002] In recent years, the development of domestic urban rail transit and high-speed railway has been particularly rapid. High-speed railway is characterized by high speed and high density, and its goal is high safety and high comfort. Therefore, its track structure must have the characteristics of high smoothness, high stability, high reliability and high durability. Along with the development of rail transit, rail corrugation has always been an insurmountable problem. After the rail is put into use, its tread surface appears irregular wear similar to waves along the longitudinal direction, which is called wave wear, or corrugation for short. [0003] Rail corrugation has a significant impact on the safe operation of rail transit, and its causes are very complicated, and there have been no particularly effective control...

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Application Information

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IPC IPC(8): G01D21/00B61K9/08
CPCB61K9/08G01D21/00
Inventor 魏晖
Owner JIANGXI UNIV OF TECH
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