Results 131 to 140 of about 1,371,942 (253)
CAAI Transactions on Intelligence Technology, EarlyView.ABSTRACT The Riyadh Metro represents a significant project in Saudi Arabia, designed to transform urban transportation and reduce traffic congestion within the city. With six metro lines and 85 stations, the network is expected to serve millions of passengers daily, necessitating innovative digitally driven maintenance approaches to ensure reliable ...
Tawfeeq Shawly, Ahmed A. Alsheikhy
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Dynamic effect of high speed railway traffic loads on the ballast track settlement [PDF]
, 2011 The traditional ballast track structures are still being used in high speed railways lines with success, however technical problems or performance features have led to non-ballast track solution in some cases.
Gabaldón Castillo, Felipe +2 more
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High Voltage, EarlyView.ABSTRACT This paper provides an overview of high‐temperature superconducting (HTS) cables in DC systems, with a focus on their deployment in high‐voltage DC (HVDC) networks. The assessment of HTS cable properties—such as extremely low electrical resistance, high current‐carrying capacity and a compact geometry—and their comparison with those of ...
Mohammad Hossein Mousavi +2 more
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Measurement of the Geometric Center of a Turnout for the Safety of Railway Infrastructure Using MMS and Total Station. [PDF]
Sensors (Basel), 2020 Kampczyk A.
europepmc +1 more source
Unification of Public-Use Railway Infrastructure Charging
The purpose of this work is to create a unified algorithm for public-use railway infrastructure charging. The proposal to base infrastructure charging on a three component system, where the basic price is calculated according to a uniform methodology ...
Hudenko, Justīna +1 more
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Genetic and memetic algorithms for scheduling railway maintenance activities [PDF]
Nowadays railway companies are confronted with high infrastructure maintenance costs. Therefore good strategies are needed to carry out these maintenance activities in a most cost effective way.
Dekker, R., Kaymak, U., Budai-Balke, G.
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Application Status and Development Trends of DC Ice‐Melting Devices in China's Power Grid
IET Smart Energy Systems, EarlyView.This paper summarises the development history and engineering application status of DC ice‐melting devices (DCIMD) in China, analyses the principles, advantages, disadvantages and adaptability of mainstream topologies and discusses the key problems and corresponding improvement directions.
Ming Lei +6 more
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Operations research in passenger railway transportation [PDF]
In this paper, we give an overview of state-of-the-art OperationsResearch models and techniques used in passenger railwaytransportation. For each planning phase (strategic, tactical andoperational), we describe the planning problems arising there ...
Vromans, M.J.C.M. +3 more
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Forces Behind South Australia's Unusual Structural Changes Since 1840
Australian Journal of Agricultural and Resource Economics, EarlyView.ABSTRACT The agricultural sector's share of GDP in growing economies typically declines but, for a century from the early 1850s, Australia's did not. That trend is most evident for the former colony and now State of South Australia (SA). Moreover, that share for SA has been almost flat since 1980 as well, along with the agricultural sector's share of ...
Kym Anderson
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The Political Quarterly, Volume 96, Issue 1, Page 140-148, January/March 2025.Abstract In this article, the key dilemmas that will confront the new Labour administration in Britain during its initial period in power are examined. The Starmer government is seeking to use the state pragmatically to improve British economic performance, stem the crisis in public services and strengthen the strategic capacity of Whitehall.
Patrick Diamond +2 more
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