Results 31 to 40 of about 218,121 (318)

Numerical Simulation and Analysis of the Influencing Factors of Ice Formation on Electrified Railway Contact Lines

open access: yesInfrastructures
This study focuses on the icing problem of electrified railway contact lines. Using computational fluid dynamic (CFD) numerical simulations, a three-dimensional mesh model of the CuAg0.1AC120 contact line was developed.
Changyi Liu   +3 more
doaj   +1 more source

Cyclic soil-structure interaction of integral railway bridges

open access: yesFrontiers in Built Environment
Integral bridges with larger spans experience increased cyclic interaction with their backfill, particularly due to seasonal temperature changes. This can result in a continuous increase of earth pressure (during the summer positions) as well as an ...
Alexander Stastny   +4 more
doaj   +1 more source

Traction Power Substation Load Analysis with Various Train Operating Styles and Substation Fault Modes

open access: yesEnergies, 2020
The simulation of railway systems plays a key role in designing the traction power supply network, managing the train operation, and making changes to timetables.
Zhongbei Tian   +4 more
doaj   +1 more source

Railway Ecology [PDF]

open access: yes, 2017
This book provides a unique overview of the impacts of railways on biodiversity, integrating the existing knowledge on the ecological effects of railways on wildlife, identifying major knowledge gaps and research directions and presenting the emerging field of railway ecology.
Borda-de-Agua, Luis   +3 more
openaire   +3 more sources

Combined Frequency Control From Trains Thermal Inertia: An Assessment of Frequency Controllers Interaction

open access: yesIEEE Open Journal of Power Electronics
The increasing introduction of power electronics into electric power systems requires more effort to maintain the stability, reliability, and security of grids.
Jesus Arauz   +4 more
doaj   +1 more source

Public Policy on Safety and Security Railroad System in Indonesia

open access: yesPrizren Social Science Journal, 2019
Implementation of the new law on railways are yet to be seen due to government regulation as executors being discussed. Government regulations mandated by Law No. 23, 2007 set as fast as 1 (one) year from the entry into force of the Act. Nevertheless in
Suwardi S.H., M.HUM   +2 more
doaj   +1 more source

Simulation-based optimization of decision-making process in railway nodes

open access: yesOpen Computer Science
Smooth operation of railway stations and yards is vital for the efficient functioning of the whole railway system. Being complex systems, their operation is extremely sensitive to various influences, which makes their management, especially at the ...
Galadíková Andrea, Adamko Norbert
doaj   +1 more source

Self‐Powered Bearing Sensing and Real‐Time Fault Diagnosis Enabled by Non‐Invasive Triboelectric Sensors and Edge AI Acceleration

open access: yesAdvanced Science, EarlyView.
This study achieves the synergistic integration of self‐powered sensing and edge AI acceleration to establish a real‐time fault diagnosis system. The proposed TENG‐based self‐powered bearing sensor (NSE‐TBS) and FPGA‐accelerated edge AI framework fundamentally break through the inherent limitations of conventional monitoring systems, including complex ...
Kehui Zhu   +7 more
wiley   +1 more source

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

open access: yesAdvanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang   +9 more
wiley   +1 more source

Home - About - Disclaimer - Privacy