Results 81 to 90 of about 1,778 (222)

MMW‐FC: A novel railway fastener detecting method based on millimetre wave radar for train positioning

IET Radar, Sonar &Navigation, Volume 18, Issue 7, Page 1094-1105, July 2024.
A novel method is proposed for rail fastener detection based on millimetre‐wave radar, which can accurately detect and enumerate the fasteners in real‐time as the train traverses its route. Under circumstances where GNSS signals remain unavailable for prolonged durations, precise train localisation can be accomplished by correlating the number of ...
Yangang Sun, Jinhai Li, Chaosan Yang, Zhankun Du, Jifeng Zhang, Xin Qiu   +5 more
wiley   +1 more source

Dynamic Response Analysis of Ballastless Tracks Considering the Temperature-Dependent Viscoelasticity of Cement-Emulsified Asphalt Mortar Based on a Vehicle–Track–Subgrade Coupled Model

Lubricants
This study aims to explore the dynamic response of ballastless tracks under various temperatures of the cement-emulsified asphalt (CA) mortar layer and other environmental factors.
Yunqing Chen, Bing Wu, Linquan Yao, Xianglong Su   +3 more
doaj   +1 more source

Mechanical Behaviors and Fatigue Performances of Ballastless Tracks Laid on Long-Span Cable-Stayed Bridges with Different Arrangements

Sensors, 2019
In this paper, we present a new attempt to lay ballastless tracks on long-span cable-stayed bridges on high-speed railways. The arrangements of ballastless tracks laid on cable-stayed bridges can be divided into two conditions: (i) across the cable ...
Xingwang Sheng, Weiqi Zheng, Zhihui Zhu
doaj   +1 more source

Intelligent recognition of defects in high‐speed railway slab track with limited dataset

Computer-Aided Civil and Infrastructure Engineering, Volume 39, Issue 6, Page 911-928, 15 March 2024.
Abstract During the regular service life of high‐speed railway (HSR), there might be serious defects in the concrete slabs of the infrastructure systems, which may further significantly affect public transportation safety. To address these serious issues and fulfill the regular functions of HSR, the traditional methods for railway engineers involve ...
Xiaopei Cai, Xueyang Tang, Shuo Pan, Yi Wang, Hai Yan, Yuheng Ren, Ning Chen, Yue Hou   +7 more
wiley   +1 more source

Study of Problems Related to Laying Ballastless Track in the Turnout of Ballasted Track at High-Speed Railway Stations

Advances in Materials Science and Engineering, 2022
Due to the complex dynamic interactions of the vehicle-track system in the turnout of high-speed railway stations on a ballasted track, the geometric position of the line changes rapidly. In order to improve the stability of the line, the ballasted track
Ma Xue-Ning, Hao Zi-Xiang, Liu Chang, Wang Xu, Wang Bo-Lin   +4 more
doaj   +1 more source

Ballastless Track : Minimising the Climate Impact

, 2021
Minska klimatpåverkan av betong i ballastfritt ...
Zandi, Kamyab, Lundgren, Karin, Löfgren, Ingemar   +2 more
openaire   +1 more source

Bio‐inspired structure constraints following control for enhancing hunting stability of high‐speed trains

IET Control Theory &Applications, Volume 18, Issue 3, Page 316-334, February 2024.
To address the issue of anomalous car‐body hunting motion, this study proposes a constraint‐following control method that leverages actuators installed in the suspension system to achieve the beneficial non‐linearity of the bio‐inspired structure.
Jingyu Zhao, Heng Zhang, Liang Ling, Zheshuo Zhang, Kaiyun Wang, Wanming Zhai   +5 more
wiley   +1 more source

Intelligent Detection of Surface Defects in High‐Speed Railway Ballastless Track Based on Self‐Attention and Transfer Learning

Structural Control and Health Monitoring, Volume 2024, Issue 1, 2024.
The detection of ballastless track surface (BTS) defects is a prerequisite for ensuring the safe operation of high‐speed railways. Traditional convolutional neural networks fail to fully exploit contextual information and lack global pixel representations.
Wenlong Ye, Juanjuan Ren, Chen Li, Wengao Liu, Zeyong Zhang, Chunfang Lu, Hoon Sohn   +6 more
wiley   +1 more source

Mapping Law of CRTS Ⅱ Type Slab Ballastless Track Static Deformation Due to Subgrade Horizontal Deformation

Chengshi guidao jiaotong yanjiu
Objective Aiming at the insufficient control indexes for high-speed railway subgrade horizontal deformation currently, it is necessary to study the influence law and limit values of ballastless track subgrade horizontal deformation.
YIN Wei, NI Wanyu, YAN Guangpeng
doaj   +1 more source

Rotational Friction Damper’s Performance for Controlling Seismic Response of High Speed Railway Bridge-Track System [PDF]

, 2019
CRTS-II slab ballastless track on bridge is a unique system in China high speed railway. The application of longitudinal continuous track system has obviously changed dynamic characteristics of bridge structure. The bridge system and CRTS-II track system
Chen Zeng, Hengchao Xu, Hongye Gou, Longlong Guo, Wei Guo, Yao Hu   +5 more
core   +2 more sources