Dynamic Diagnosis Method for Continuous and Equidistant Wheel Burn based on Axle Box Acceleration

Xu, Xiao Lan; Mao, Xuegeng; Sun, Shanchao; Niu, Liubin; Liu, Jinzhao; Xiao, Binghuan

doi:10.1109/phm-nanjing52125.2021.9612797

Cited by 1 publication

(1 citation statement)

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“…Liu et al [144] proposed a track impact index method based on vertical ABA, which reduces the influence of random factors such as rail joint welds and turnouts on the results, and achieves the identification of short-wave irregularity defects. XU et al [145] proposed a wheel burn index (WBI) to identify continuous and equidistant wheel burn, which uses a demodulated envelope signal to replace the original signal, so an energy signal with low-frequency is extracted to achieve efficient wheel burn diagnosis. The original ABA signal and WBI signal of continuous and equidistant wheel burn can be seen in Figure 18.…”

Section: Axle Box Acceleration Measurementmentioning

confidence: 99%

A Review of NDT Methods for Wheel Burn Detection on Rails

Zhang

Liu

Xiong

et al. 2023

Sensors

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Wheel burn can affect the wheel–rail contact state and ride quality. With long-term operation, it can cause rail head spalling or transverse cracking, which will lead to rail breakage. By analyzing the relevant literature on wheel burn, this paper reviews the characteristics, mechanism of formation, crack extension, and NDT methods of wheel burn. The results are as follows: Thermal-induced, plastic-deformation-induced, and thermomechanical-induced mechanisms have been proposed by researchers; among them, the thermomechanical-induced wheel burn mechanism is more probable and convincing. Initially, the wheel burns appear as an elliptical or strip-shaped white etching layer with or without deformation on the running surface of the rails. In the latter stages of development, this may cause cracks, spalling, etc. Magnetic Flux Leakage Testing, Magnetic Barkhausen Noise Testing, Eddy Current Testing, Acoustic Emission Testing, and Infrared Thermography Testing can identify the white etching layer, and surface and near-surface cracks. Automatic Visual Testing can detect the white etching layer, surface cracks, spalling, and indentation, but cannot detect the depth of rail defects. Axle Box Acceleration Measurement can be used to detect severe wheel burn with deformation.

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Section: Axle Box Acceleration Measurementmentioning

confidence: 99%