Effects of Wheel Surface Defects on Ground Borne Vibration

Kazemian, Milad; Astaraki, Farshad; Doost, Ahmad Mohammadi; Akbarivarmaziar, Milad; Rad, Majid Movahedi; Fischer, Szabolcs

doi:10.12700/aph.19.6.2022.6.10

Cited by 4 publications

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“…Many scholars have carried out comprehensive research on various types of damage detection on the rail surface. However, there are few studies on the surface fatigue state of rails and crossings, and the evaluation and prediction of the state of crossings are rarer [9][10][11]. Moussa Hamadache et al summarized the existing turnout detection methods, and machine vision detection is more environmentally friendly and efficient [12].…”

Section: Introductionmentioning

confidence: 99%

Evolution of Rail Contact Fatigue on Crossing Nose Rail Based on Long Short-Term Memory

et al. 2022

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The share of rail transport in world transport continues to rise. As the number of trains increases, so does the load on the railway. The rails are in direct contact with the loaded wheels. Therefore, it is more easily damaged. In recent years, domestic and foreign scholars have conducted in-depth research on railway damage detection. As the weakest part of the track system, switches are more prone to damage. Assessing and predicting rail surface damage can improve the safety of rail operations and allow for proper planning and maintenance to reduce capital expenditure and increase operational efficiency. Under the premise that functional safety is paramount, predicting the service life of rails, especially turnouts, can significantly reduce costs and ensure the safety of railway transportation. This paper understands the evolution of contact fatigue on crossing noses through long-term observation and sampling of crossing noses in turnouts. The authors get images from new to damaged. After image preprocessing, MPI (Magnetic Particle Imaging) is divided into blocks containing local crack information. The obtained local texture information is used for regression prediction using machine-supervised learning and LSTM network (Long Short-Term Memory) methods. Finally, a technique capable of thoroughly evaluating the wear process of crossing noses is proposed.

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Section: Introductionmentioning

confidence: 99%

Evolution of Rail Contact Fatigue on Crossing Nose Rail Based on Long Short-Term Memory

et al. 2022

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Calculating the efficiency of an electric motor from the speed of the vehicle and the slope of the road

Fodor

Sandor

2022

2022 IEEE 5th International Conference and Workshop Óbuda on Electrical and Power Engineering (CANDO-EPE)

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Influence of different factors on the value of the rail wear rate

Makarov,

Zaleskyi,

Mykhalichenko

2024

Acta Tech. Jaurinensis

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The article deals with the study of the influence of train operating modes on the uphill and downhill sections with radii less than 450 m, as well as the influence of railway superstructure design in curved sections on the wear rate of rolling stock wheel flanges and rails. The aim of the research is to reduce the wear that occurs between the wheel flanges of the rolling stock and the rails. Rail joints have been found to be the main shock source in the dynamic interaction between the railway and the rolling stock. There is unstable motion within the transition curves and at the joints of the curved rail on the curved track sections. This is accompanied by abrupt lateral rail wear in the joint area between the trailing and facing rails in the direction of train movement. It has been found that reducing the weight of the trains leads to a reduction in intensive lateral rail wear on curved track sections and can reach the following percentages: in curves with a radius of up to 300 m: up to 33% uphill, up to 55% downhill; in curves with a radius of 300 m to 450 m: up to 32.9% uphill, up to 26.3% downhill; in curves with a radius of 450 m: up to 3.2% uphill, up to 17.6% downhill. On the uphill and downhill sections, reducing the height and adjusting to the speed limit in percentage gives a positive result from 4.7% to 53.59%.

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Effects of Wheel Surface Defects on Ground Borne Vibration

Cited by 4 publications

References 0 publications

Evolution of Rail Contact Fatigue on Crossing Nose Rail Based on Long Short-Term Memory

Evolution of Rail Contact Fatigue on Crossing Nose Rail Based on Long Short-Term Memory

Calculating the efficiency of an electric motor from the speed of the vehicle and the slope of the road

Influence of different factors on the value of the rail wear rate

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