Determination of temperature stresses in CWR based on measured rail surface temperatures
Sign Up to like & getrecommendations! Published in 2021 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2021.122713
Abstract: Abstract The main aim of conducted research is determination of temperature stresses due to the uneven temperature distribution in CWR. This paper presents a methodology for determination of temperature stresses in CWR based on (1)… read more here.
Keywords: temperature; temperature stresses; determination temperature; rail surface ... See more keywords
Visual quantitative detection of rail surface crack based on laser ultrasonic technology
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.166732
Abstract: Abstract The surface rolling contact fatigue crack is a common crack on the rail surface. When it extends to a certain length, it will lead to rail fracture and affect the safety of railway operation.… read more here.
Keywords: surface; crack; quantitative detection; rail surface ... See more keywords
Couple of biomimetic surfaces with different morphologies for remanufacturing nonuniform wear rail surface
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2017.09.020
Abstract: Abstract In this work, biomimetic laser treatment was performed on repairing and remanufacturing the nonuniform worn rail surface. The wearing depth distribution of three work regions of a failure rail surface was discussed, and different thickness hardening layers with different… read more here.
Keywords: remanufacturing nonuniform; rail surface; surface; surfaces different ... See more keywords
Deep Learning and Machine Vision-Based Inspection of Rail Surface Defects
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2021.3138498
Abstract: Surface defects are usually the early phenomenon of rail failure, which threatens the safety of railroad transportation critically, and the timely detection of surface defects helps to eliminate the potential risk of rail and reduce… read more here.
Keywords: surface defects; rail surface; surface; learning machine ... See more keywords
Deep Learning and Laser-Based 3-D Pixel-Level Rail Surface Defect Detection Method
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3272033
Abstract: Rail surface defect inspection is of particular importance in modern railways. Accurate and efficient surface defect detection approaches support optimized maintenance. This enables the safe operation of the railway network. However, the scale and harsh… read more here.
Keywords: pixel level; rail surface; surface; defect detection ... See more keywords
CUFuse: Camera and Ultrasound Data Fusion for Rail Defect Detection
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Intelligent Transportation Systems"
DOI: 10.1109/tits.2022.3189677
Abstract: This paper proposes a multi-source data fusion algorithm for rail surface defect detection in both camera-based rail inspection images and ultrasound B-scan images. First, we design a rail surface segmentation algorithm based on image bilateral… read more here.
Keywords: fusion; rail; rail surface; defect detection ... See more keywords
Analysis of Rail Erosion Damage During Electromagnetic Launch
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2017.2705142
Abstract: In the process of launching the electromagnetic rail guns (EMRGs), the erosion damage to the rail surface is mainly caused by the joule heat generated by the rail body resistance and armature-rail contact resistance as… read more here.
Keywords: rail surface; erosion damage; temperature rise; surface ... See more keywords
Mechanism Analysis of Spalling Defect on Rail Surface under Rolling Contact Conditions
Sign Up to like & getrecommendations! Published in 2018 at "Mathematical Problems in Engineering"
DOI: 10.1155/2018/7012710
Abstract: Under the wheel/rail contact loading conditions, the microcracks on the rail surface propagate, leading to spalling defect or rail fracture and threatening the travelling safety of high-speed railway directly. In order to analyze the mechanism… read more here.
Keywords: mechanism; rail surface; rail; spalling defect ... See more keywords
Monitoring of Rail Surface Damage via Magnetic Measurements
Sign Up to like & getrecommendations! Published in 2020 at "Acta Physica Polonica A"
DOI: 10.12693/aphyspola.137.644
Abstract: This paper reports about magnetic non-destructive evaluation of the rail surface exposed to long-time cyclic plastic deformation. Long-term severe plastic deformation and superimposing friction heating initiate pearlite matrix defragmentation and the corresponding refinement of magnetic… read more here.
Keywords: surface damage; rail surface; surface; via magnetic ... See more keywords
Ensemble model for rail surface defects detection
Sign Up to like & getrecommendations! Published in 2022 at "PLoS ONE"
DOI: 10.1371/journal.pone.0268518
Abstract: The detection of rail surface defects is vital for high-speed rail maintenance and management. The CNN-based computer vision approach has been proved to be a strong detection tool widely used in various industrial scenarios. However,… read more here.
Keywords: surface defects; rail; rail surface; detection ... See more keywords
An Improved Feature Pyramid Network and Metric Learning Approach for Rail Surface Defect Detection
Sign Up to like & getrecommendations! Published in 2023 at "Applied Sciences"
DOI: 10.3390/app13106047
Abstract: When deep learning methods are used to detect rail surface defects, the training accuracy declines due to small defects and an insufficient number of samples. This paper investigates the problem of rail surface defect detection… read more here.
Keywords: network; rail surface; surface; defect detection ... See more keywords