Euler angles and numerical representation of the railroad track geometry
Sign Up to like & getrecommendations! Published in 2021 at "Acta Mechanica"
DOI: 10.1007/s00707-020-02903-4
Abstract: The geometry description plays a central role in many engineering applications and directly influences the quality of the computer simulation results. The geometry of a space curve can be completely defined in terms of two… read more here.
Keywords: track geometry; euler angles; curve; geometry ... See more keywords
Construction of a stochastic model of track geometry irregularities and validation through experimental measurements of dynamic loading
Sign Up to like & getrecommendations! Published in 2017 at "Vehicle System Dynamics"
DOI: 10.1080/00423114.2016.1269935
Abstract: ABSTRACT This paper describes the construction of a stochastic model of urban railway track geometry irregularities, based on experimental data. The considered irregularities are track gauge, superelevation, horizontal and vertical curvatures. They are modelled as… read more here.
Keywords: construction stochastic; track; stochastic model; geometry ... See more keywords
Investigation of the effect of the inspection intervals on the track geometry condition
Sign Up to like & getrecommendations! Published in 2019 at "Structure and Infrastructure Engineering"
DOI: 10.1080/15732479.2019.1687528
Abstract: Abstract In order to evaluate the railway track geometry condition and plan maintenance activities, track inspection cars run over the track at specific times to monitor it and record geometry measurements. Applying an adequate inspection… read more here.
Keywords: geometry; inspection intervals; geometry condition; track geometry ... See more keywords
Signal Feature Extraction and Combination to Enhance the Detection and Localization of Railroad Track Irregularities
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2020.3041652
Abstract: Tracks are critical and expensive railroad asset, requiring frequent maintenance. The stress from heavy car axle loads increases the risk of deviations from uniform track geometry. Irregularities in track geometry, such as track warping, can… read more here.
Keywords: track geometry; feature extraction; geometry; track ... See more keywords
Review of Data Analytics for Condition Monitoring of Railway Track Geometry
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Intelligent Transportation Systems"
DOI: 10.1109/tits.2022.3214121
Abstract: Railway track geometry varies along routes depending on topographical, operational and safety constraints. Tracks are prone to degrade over time due to various factors, with deviations from the original geometry design having potential implications for… read more here.
Keywords: condition; railway track; geometry; track geometry ... See more keywords
Application of data mining techniques for the investigation of track geometry and stiffness variation
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit"
DOI: 10.1177/0954409719844885
Abstract: Railway tracks are one of the most important national assets of many countries. The major part of the annual budget of railway companies concerns repairing, improving, and maintaining railway tracks, which is a challenge for… read more here.
Keywords: stiffness; track; geometry; railway track ... See more keywords
The impact of summer heatwaves on railway track geometry maintenance
Sign Up to like & getrecommendations! Published in 2021 at "Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit"
DOI: 10.1177/0954409720984292
Abstract: Elevated summer temperatures are a disrupting factor on the rail network. Due to the risk of a track buckling under thermal expansion forces, geometry maintenance must be delayed during heatwaves, leading to an overall decreased… read more here.
Keywords: maintenance; geometry; summer; railway track ... See more keywords
Railway defect detection based on track geometry using supervised and unsupervised machine learning
Sign Up to like & getrecommendations! Published in 2022 at "Structural Health Monitoring"
DOI: 10.1177/14759217211044492
Abstract: Track quality affects passenger comfort and safety. To maintain the quality of the track, track geometry and track component defects are inspected routinely. Track geometry is inspected using a track geometry car (TGC). Measured values… read more here.
Keywords: machine; geometry; track geometry; track ... See more keywords
Measurement of Railway Track Geometry: A State-of-the-Art Review
Sign Up to like & getrecommendations! Published in 2019 at "Periodica Polytechnica Transportation Engineering"
DOI: 10.3311/pptr.14145
Abstract: The worldwide increase in frequency of traffic for passenger trains and the rise of freight trains over the recent years necessitate the more intense deployment of track monitoring and rail inspection procedures. The wheel-rail contact… read more here.
Keywords: railway; geometry; review; railway track ... See more keywords