Results 21 to 30 of about 339,893 (364)
Proceedings of the 7th International Conference on Software Paradigm Trends, 2012 This is an electronic version of the paper presented at the 7th International Conference on Software Paradigm Trends, ICSOFT 2012, held in Rome. In this paper we propose leveraging existing frameworks for automated web application development, in the style of Ruby on Rails, Grails and Spring Roo, for their use within a Model-Driven Engineering ...
Rosa López-Landa +3 more
openaire +2 more sources
Tribology International, 2020 The wear and rolling contact fatigue of wheel-rail materials were investigated through varying wheel/rail hardness ratios (Hw/Hr) and creepages. The results indicated that with the Hw/Hr increasing from 0.927 to 1.218, the wheel wear rate reduced ...
Y. Hu +7 more
semanticscholar +1 more source
Rail Diagnostics Based on Ultrasonic Guided Waves: An Overview
Applied Sciences, 2021 Rail tracks undergo massive stresses that can affect their structural integrity and produce rail breakage. The last phenomenon represents a serious concern for railway management authorities, since it may cause derailments and, consequently, losses of ...
Davide Bombarda +2 more
semanticscholar +1 more source
IMPROVEMENT OF WORKING CONDITIONS OF THE FREIGHT LOCOMOTIVE RUNNING GEAR [PDF]
Transport Problems, 2016 To improve the working conditions of the electric locomotive running part, it is necessary to decrease unsprung masses, lateral loads and the angle of attack and provide the third body with proper tribotechnical properties.
George TUMANISHVILI +4 more
doaj +1 more source
Deep Learning (Fast R-CNN)-Based Evaluation of Rail Surface Defects
Applied SciencesIn current railway rails, trains are propelled by the rolling contact between iron wheels and iron rails, and the high frequency of train repetition on rails results in a significant load exertion on a very small area where the wheel and rail come into ...
Jung-Youl Choi, J. Han
semanticscholar +1 more source
The Effect of Profiles on Wheel and Rail Damage [PDF]
, 2009 This paper outlines the historical development of the wheel and rail profiles currently used on railway vehicles. It also presents the key damage mechanisms involved in wheel-rail contact and summarises the methods that have recently been developed by ...
Simon D. Iwnicki, Iwnicki, S.
core +1 more source
Bogie Steering System Improving Alignment of the Urban Railway Vehicle in a Track
Engineering Transactions, 2018 Urban rail systems are characterized by low-radius curves which are very problematic to negotiate for modern rail vehicles. There are several inventions developed throughout time to cope with that problem.
Michał PODOLSKI +3 more
doaj +1 more source
Wear Problems of High-Speed Wheel/Rail Systems: Observations, Causes, and Countermeasures in China
, 2020 Wear problems of wheel/rail systems occurring on the Chinese high-speed railway network in the last decade are summarized and explained together with the corresponding experience of treating them. Focus is placed on uneven wear because even wear is not
W. Zhai +3 more
semanticscholar +1 more source
Track line status detection system for subway based on lightweight convolutional network
机车电传动, 2022 As an important component to carry running train, the working state of the track has an important impact on the safety of the subway operation. Traditional manual detection or rail inspection vehicles can not operate until subway operation ends, leading ...
LIN Jun +4 more
doaj
Research on Rail Grinding Technology of Medium and Low Speed Based on Specific Grinding Energy
机车电传动, 2021 In order to improve the efficiency of rail grinding, according to the existing machining and grinding principles of machine tools and the calculation method of high-speed cutting specific grinding energy, the application research of precision control ...
Jie LIU, Tao ZHENG
doaj