Results 81 to 90 of about 516 (189)
Transient Arcing Characteristics of the Pantograph–Catenary System in Electrical Sectioning Overlaps
InfrastructuresTransient arcing often occurs as an electric locomotive traverses an electrical sectioning overlap (ESO), deteriorating current collection stability and reducing the durability of the pantograph–catenary (PC) system.
Like Pan +4 more
doaj +1 more source
Statistical characterization of the 2.45 GHz propagation channel aboard trains [PDF]
, 2015 The propagation channel aboard trains is investigated with reference to the propagation path loss within cars, the delay spread and the coherence bandwidth.
Liccardo, A. +4 more
core +1 more source
Pantograph-Catenary Relation of Urban Rail Transit Lines under Catenary Iced Condition
Chengshi guidao jiaotong yanjiu［Objective］ Under the condition of ice forming on catenary surface (hereinafter referred to as ′iced condition′), the normal current collection of train pantograph is disrupted.
ZHAO Haibo, ZHOU Jiaming, ZHANG Shuai
doaj +1 more source
Research and application of diagnosis methods and devices for urban rail traction systems [PDF]
Railway SciencesPurposeWith the deepening integration of rail transit systems–encompassing urban rail, regional railways, trunk lines and medium-low capacity transportation–the four-network integration imposes higher demands on operation and maintenance systems ...
Kan Liu +4 more
doaj +1 more source
Actuators for a space manipulator [PDF]
The robotic manipulator can be decomposed into distinct subsytems. One particular area of interest of mechanical subsystems is electromechanical actuators (or drives). A drive is defined as a motor with an appropriate transmission.
Brunson, P., Chun, W.
core +1 more source
Chengshi guidao jiaotong yanjiuObjectiveIn order to reduce abnormal wear and pantograph-catenary separation caused by excessive or insufficient contact pressure, it is necessary to study the influence of various pantograph-catenary parameters on current collection quality and propose ...
Zehua CHENG +6 more
doaj +1 more source
Fast Optimization of the Installation Position of 5G-R Antenna on the Train Roof
Applied SciencesIn this paper, a prediction model of the coupling coefficient based on a multi-module neural network (MMNN) is developed to quickly optimize the installation position of the roof antenna of the 5G-Railway (5G-R) communication system, so as to improve the
Yu Bai, Jie Ren, Yinghong Wen
doaj +1 more source
Prognostics and health management for an overhead contact line system - A review [PDF]
, 2017 The railway industry in European countries is standing a significant competition from other modes of transportation, particularly in the field of freight transport.
Brahimi, Mehdi +3 more
core +2 more sources
Sensitivity in the dynamic response estimation of pantograph-catenary interaction, due to time step and cut-off frequency - A numerical study [PDF]
, 2017 This thesis investigates the sensitivity in the dynamic response when simulating the pantograph-catenary interaction due to time step and cut-off frequency. In addition, the contact formulation stated in standard EN50318 is addressed.
Ristad, Kristine
core
Kongzhi Yu Xinxi JishuIn order to solve the issue of pantograph arcing on trains passing through neutral sections caused by excessive pressure differentials between both ends of these sections, a safety concern for train operation, this paper presents a voltage control system
YIN Xiaowei, LI Hongbo, YOU Chuan
doaj +3 more sources