Results 41 to 50 of about 1,819 (228)
In-situ monitoring of the dynamic contact force between catenary and pantograph is very important for the quality evaluation of pantograph catenary current collection.
LEI YuHeng +5 more
doaj
Development of a prognostics and health management system for the railway infrastructure – Review and methodology [PDF]
The Prognostics and Health Management (PHM) can be considered as a key process to deploy a predictive maintenance program. Since its inception as an engineering discipline, a lot of diagnostics and prognostics algorithms were developed and furthermore ...
Brahimi, Mehdi +3 more
core +1 more source
Staddle monorail use rigid catenary, which often produce strong rigid vibrations and violent fluctuations in contact forces affecting pantograph receiving quality and service life during operation.
CHEN Lin, XIONG Jun, WANG ShangQing
doaj
This paper presents the vibration characteristics of a pantograph–catenary interaction in a rigid catenary system. Both computational simulation and laboratory tests are carried out to evaluate the frequency contents of pantograph strips.
Qirui Wu +3 more
doaj +1 more source
Influence of Embankments with Parapets on the Cross-Wind Turbulence Intensity at the Contact Wire of Railway Overheads [PDF]
Winds as an environmental factor can cause significant difficulties for the railway system operation. The railway overhead has been particularly vulnerable to cross-winds related problems, such as development of undamped oscillations due to galloping ...
Avila Sanchez, Sergio +2 more
core +2 more sources
The numerical tools can be used to facilitate the design of the railway pantograph-catenary system. The validation of the current numerical results is mostly performed at a speed slower than 350 km/h. This paper aims at the validation and analysis of the
Jia Yang +5 more
doaj +1 more source
Railway electrification systems indeed have unique challenges due to variable power demand and dynamic train operations. Power quality (PQ) monitoring for high‐speed trains (HSTs) is essential to guarantee the effectual and unfailing operation of the ESs.
Pampa Sinha +6 more
wiley +1 more source
To address the issues of unbalanced traction and unstable operation of the train caused by uneven wear, this paper presents a fixed‐time synergetic control‐based solution focusing on the electrical speed synchronization control of multi‐interior permanent magnet synchronous motor (IPMSM) traction system.
Deqing Huang +3 more
wiley +1 more source
Decarbonizing rail transport in response to global warming is fundamental to achieving a net zero transportation system. Along with increased passenger mobility and network electrification initiatives, significant connectivity between the train and infrastructure is needed to underpin operational communications and safety, information exchange, and ...
Yljon Seferi +3 more
wiley +1 more source
In addressing the issue of electromagnetic interference in railway environments, research into the coupling pathways, amplitude distribution patterns, and attenuation characteristics of such interference is crucial for identifying practical solutions. Rails, a common channel for signaling and traction power supply systems, play a pivotal role in anti ...
Shaotong Chu +2 more
wiley +1 more source

