Results 41 to 50 of about 1,819 (228)

RESEARCH ON MONITORING METHOD AND APPLICATION OF THE DYNAMIC CONTACT FORCE BETWEEN CATENARY AND PANTOGRAPH BASED ON STRAIN RESPONSE INVERSION TECHNOLOGY (MT)

open access: yesJixie qiangdu, 2022
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]

open access: yes, 2016
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

RESEARCH ON SEMI-ACTIVE CONTROL METHODS FOR STADDLE MONORAIL′S PANTOGRAPH WITH SLIDING MODE VARIABLE STRUCTURE (MT)

open access: yesJixie qiangdu, 2023
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  

A Study on the Vibration Characteristics and Damage Mechanism of Pantograph Strips in a Railway Electrification System

open access: yesMachines, 2022
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]

open access: yes, 2010
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

Validation and Analysis on Numerical Response of Super-High-Speed Railway Pantograph-Catenary Interaction Based on Experimental Test

open access: yesShock and Vibration, 2021
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

Classifying Power Quality Issues in Railway Electrification Systems Using a Nonsubsampled Contourlet Transform Approach

open access: yesEngineering Reports, Volume 7, Issue 8, August 2025.
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

Fixed‐Time Synergetic Control of Multi‐Interior Permanent Magnet Synchronous Motor Traction System With Dynamic Adhesion

open access: yesIET Control Theory &Applications, Volume 19, Issue 1, January/December 2025.
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

Electric Power Derivation From 25 kV AC Overhead Line Systems: A Solution for Electrified Railway Networks

open access: yesIET Electrical Systems in Transportation, Volume 2025, Issue 1, 2025.
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

Study on the Computational Model for Frequency‐Dependent Impedance of Rails Incorporating the Effects of Cross‐Sectional Geometry

open access: yesIET Electrical Systems in Transportation, Volume 2025, Issue 1, 2025.
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

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