Results 11 to 20 of about 3,319,079 (328)

Track geometry quality management [PDF]

open access: yesTehnika, 2023
The deterioration rate of railway infrastructure and track geometry increases during their life cycle, and the performance of maintenance activities decreases over time. The average age of tracks in Serbia is over 50 years old, which requires exceptional
Popović Zdenka J., Lazarević Luka M.
doaj   +3 more sources

Track-to-Track Association for Intelligent Vehicles by Preserving Local Track Geometry [PDF]

open access: yesSensors, 2020
Track-to-track association (T2TA) is a challenging task in situational awareness in intelligent vehicles and surveillance systems. In this paper, the problem of track-to-track association with sensor bias (T2TASB) is considered.
Ke Zou   +4 more
doaj   +6 more sources

Railway infrastructure maintenance efficiency improvement using deep reinforcement learning integrated with digital twin based on track geometry and component defects. [PDF]

open access: yesSci Rep, 2023
Railway maintenance is a complex and complicated task in the railway industry due to the number of its components and relationships. Ineffective railway maintenance results in excess cost, defective railway structure and components, longer possession ...
Sresakoolchai J, Kaewunruen S.
europepmc   +2 more sources

Track Geometry Prediction Using Three-Dimensional Recurrent Neural Network-Based Models Cross-Functionally Co-Simulated with BIM. [PDF]

open access: yesSensors (Basel), 2022
Railway track maintenance plays an important role in enabling safe, reliable, and seamless train operations and passenger comfort. Due to the increasing rail transportation, rolling stocks tend to run faster and the load tends to increase continuously ...
Sresakoolchai J, Kaewunruen S.
europepmc   +2 more sources

Prediction Models for Railway Track Geometry Degradation Using Machine Learning Methods: A Review. [PDF]

open access: yesSensors (Basel), 2022
Keeping railway tracks in good operational condition is one of the most important tasks for railway owners. As a result, railway companies have to conduct track inspections periodically, which is costly and time-consuming. Due to the rapid development in
Liao Y, Han L, Wang H, Zhang H.
europepmc   +2 more sources

A Track Geometry Measuring System Based on Multibody Kinematics, Inertial Sensors and Computer Vision. [PDF]

open access: yesSensors (Basel), 2021
This paper describes the kinematics used for the calculation of track geometric irregularities of a new Track Geometry Measuring System (TGMS) to be installed in railway vehicles.
Escalona JL, Urda P, Muñoz S.
europepmc   +2 more sources

INFLUENCE OF TRACK GEOMETRY CONDITION MONITORING ON RAILWAY INFRASTRUCTURE MAINTENANCE PROCESSING [PDF]

open access: yesTransport Problems, 2022
This study analyzed the usage of data of track geometry measurement for railway infrastructure maintenance processing support and estimated its influence on railway infrastructure maintenance decision-making.
Gintautas BUREIKA   +3 more
doaj   +2 more sources

Geometry of cycling track

open access: yesBudownictwo i Architektura, 2020
The paper describes the problems related to shaping of geometry of the cycling track. The method of selection of the angle at the track arch is presented.
Maciej Tomasz Solarczyk
doaj   +3 more sources

Effective time interval for railway track geometry inspection [PDF]

open access: yesArchives of Transport, 2020
A proper decision-making scheme for track geometry maintenance requires a knowledge of the real condition of track geometry. Therefore, the track must be inspected by measurement cars at different time intervals.
Ahmad Kasraei, Jabbar Ali Zakeri
doaj   +2 more sources

Quality of Slab Track Construction – Track Alignment Design and Track Geometry [PDF]

open access: yesCivil and Environmental Engineering, 2015
The slab track superstructure design (without ballast) is a perspective construction especially for building tunnels and bridges in the modernized sections of railway tracks in Slovakia. Monitoring of the structure described in this article is focused on
Šestáková Janka
doaj   +2 more sources

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