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From Point Clouds to Predictive Maintenance: A Review of Intelligent Railway Infrastructure Monitoring [PDF]
SensorsPoint cloud technology, characterized by its high-precision 3D geometric acquisition in complex railway environments, has become a cornerstone for the intelligent detection, monitoring, and maintenance of railway infrastructure.
Yalin Zhang +6 more
doaj +2 more sources
Advances in Condition Monitoring of Railway Infrastructure. [PDF]
Sensors (Basel)In recent years, there has been a notable surge in investments directed towards developing new railway lines and revitalising existing ones, reflecting a global commitment to enhance transportation infrastructure [...]
Mosleh A +3 more
europepmc +4 more sources
The Management of Railway Operations during the Planned Interruption of Railway Infrastructure
InfrastructuresA planned interruption of railway infrastructure is a situation where the operation of the track line or the operation of railway transport is limited. If there is also a restriction on the railway infrastructure, it means there will be complications not
Zdenka Bulková +2 more
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A study on characteristic indexes of railway ballast bed under high-frequency radar [PDF]
Railway Sciences, 2023 Purpose – In this paper, a high-frequency radar test system was used to collect the data of clean ballast bed and fouled ballast bed of ballasted tracks, respectively, for a quantitative evaluation of the condition of railway ballast bed.
Shilei Wang +4 more
doaj +1 more source
A vertical coupling dynamic analysis method and engineering application of vehicle–track–substructure based on forced vibration [PDF]
Railway Sciences, 2022 Purpose – This study aims to propose a vertical coupling dynamic analysis method of vehicle–track–substructure based on forced vibration and use this method to analyze the influence on the dynamic response of track and vehicle caused by local fastener ...
Guolong Li +4 more
doaj +1 more source
Applied Sciences, 2023 This study presents an innovative, intelligent obstacle avoidance module intended to significantly enhance the collision prevention capabilities of the robotic arm mechanism onboard a high-speed rail tunnel lining inspection train.
Yang Lei +5 more
doaj +1 more source
A Laser Plane Attitude Evaluation Method for Rail Profile Measurement Sensors
Sensors, 2023 The non-coplanar lasers on both sides of the rail during full-section rail profile measurement based on line-structured light vision will cause the measured profile to be distorted, resulting in measurement errors. Currently, in the field of rail profile
Le Wang +7 more
doaj +1 more source
Anomaly Detection of Trackside Equipment Based on GPS and Image Matching
IEEE Access, 2020 The health of trackside equipment often seriously affects the safe driving of the train, while manually checking their status is an indispensably laborious task.
Limin Gao +4 more
doaj +1 more source
Main Factors on Effect of Precise Measurement and Precise Tamping Based on BP Neural Network
Applied Sciences, 2023 With the continuous development of precise measurement and precise tamping (PMPT) technology on Chinese railway conventional speed lines, the efficiency of machinery tamping operation and the quality of the track have been effectively improved. A variety
Jianjun Qu, Pan Liu, Yiyu Long, Fei Xu
doaj +1 more source
IEEE Access, 2021 The problem of foreign object intrusion onto the track bed often occurs in the actual operation process of high-speed railways. To solve the problem, we propose an anomaly detection method for the ballastless track bed, which is based on semantic ...
Haoran Song +5 more
doaj +1 more source