Results 71 to 80 of about 216,906 (258)

Complex delay dynamics on railway networks: from universal laws to realistic modelling

open access: yes, 2018
Railways are a key infrastructure for any modern country. The reliability and resilience of this peculiar transportation system may be challenged by different shocks such as disruptions, strikes and adverse weather conditions. These events compromise the
di Clemente, Riccardo   +3 more
core   +3 more sources

Control Strategy of Subway Bidirectional Converter for Suppressing Grid Background Harmonics

open access: yesChengshi guidao jiaotong yanjiu
[Objective] The nonlinear power equipment in subway traction power supply systems causes distortions in grid voltage during operation, leading to large grid background harmonics, which will affect the grid-connected current quality of subway ...
ZHOU Xiangjie   +4 more
doaj   +1 more source

Deep Feature Fusion with Integration of Residual Connection and Attention Model for Classification of VHR Remote Sensing Images

open access: yesRemote Sensing, 2019
The classification of very-high-resolution (VHR) remote sensing images is essential in many applications. However, high intraclass and low interclass variations in these kinds of images pose serious challenges.
Jicheng Wang   +4 more
doaj   +1 more source

High speed rail transport valuation and policy decisions [PDF]

open access: yes, 2008
The present paper investigates the process of decision making regarding the optimal timing to invest in the high speed rail (HSR) project, under uncertainty, using the real options analysis (ROA) framework. It’s developed a continuous time framework that
Azevedo-Pereira, José   +2 more
core  

mcGANs: Topology Optimization Using Multi-Stage CGAN

open access: yesIEEE Access
The traditional methods of solving topology optimization depends on finite element method (FEM). However, the iterative calculation of FEM increases the time cost of topology optimization significantly.
Jiandong Zhu   +3 more
doaj   +1 more source

Design of a Seismically Isolated Railway Viaduct over Axios River in Northern Greece [PDF]

open access: yes, 2014
The paper presents the salient features of the design of the Railway viaduct over Axios River on the new high-speed double railway line, which is the longest (800m) railway bridge in Greece constructed using the travelling gantry method.
Kappos, A. J.   +2 more
core  

High-speed railway developments and corporate location decisions. The role of accessibility [PDF]

open access: yes
Accessibility is a major factor that determines the effects of transport infrastructure developments on corporate location decisions. High-speed railways have an impact on accessibility by reducing travel times and increasing comfort.
Jasper Willigers
core  

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