Results 21 to 30 of about 236,813 (308)

Urban Logistics in the Global South

open access: yes, 2023
Logistics has become a key urban function in modern economies as well as an indicator of economic development and, guided by this idea, some governments have undertaken to give a high priority to this sector, presenting it as a lever for competitiveness and growth.
openaire   +1 more source

An evaluation of urban consolidation centers through continuous analysis with non-equal market share companies [PDF]

open access: yes, 2015
This paper analyzes the logistic cost savings caused by the implementation of Urban Consolidation Centers (UCC) in a dense area of a city. In these urban terminals, freight flows from interurban carriers are consolidated and transferred to a neutral last-
Estrada Romeu, Miguel Ángel   +2 more
core   +1 more source

Assessing the Development Level of Logistics for Sustainable Cities in Urban Agglomeration Based on a Multi-Layer Complex Network

open access: yesSystems, 2022
Evaluating the development level of urban logistics can significantly inform policies for the sustainable development of each city in an urban agglomeration.
Fei Ma   +7 more
doaj   +1 more source

Research on water quality prediction based on PE-CNN-GRU hybrid model [PDF]

open access: yesE3S Web of Conferences, 2023
Sewage treatment is a complex and nonlinear process. In this paper, a prediction method based on convolutional neural network (CNN) and gated recurrent unit (GRU) hybrid neural network is proposed for the prediction of dissolved oxygen concentration in ...
Zhang Langlang   +4 more
doaj   +1 more source

City logistics initiatives aimed at improving sustainability by changing the context of urban area [PDF]

open access: yesTehnika, 2014
City logistics is a field that attracts increasing attention of professionals and scientific community and international organizations. Research on problems of urban areas' logistics gives different results and practical solutions.
Tadić Snežana R.   +2 more
doaj   +1 more source

Under which conditions is carrier cooperation possible? A case study in a Seville marketplace [PDF]

open access: yes, 2018
The high volume of traffic originates two well-known problems in many cities: congestion and pollution. In recent years, a social phenomenon is emerging cooperation.
Aparicio Ruiz, Pablo   +2 more
core   +3 more sources

Drones for parcel and passenger transportation: A literature review [PDF]

open access: yes, 2020
Delivery drones and ‘air taxis’ are currently among the most intensely discussed emerging technologies, likely to expand mobility into the ‘third dimension’ of low-level airspace.
Biehle, Tobias   +2 more
core   +1 more source

Digital twin applications in urban logistics: an overview

open access: yesUrban, Planning and Transport Research, 2023
Urban traffic attributed to commercial and industrial transportation is observed to largely affect living standards in cities due to external effects pertaining to pollution and congestion. In order to counter this, smart cities deploy technological tools to achieve sustainability.
Abouelrous, Abdo   +2 more
openaire   +4 more sources

The Optimization of Urban Traffic Routes Using an Enhanced Genetic Algorithm: A Case Study of Beijing South Railway Station

open access: yesApplied Sciences
Optimizing travel routes in urban transportation networks is essential for enhancing traffic efficiency in major cities. This study focuses on optimizing the combined subway and taxi travel routes from Beijing Union University to Beijing South Railway ...
Biao Ding   +6 more
doaj   +1 more source

The mathematical model of dissipation factor with temperature–frequency effect for oil-impregnated paper bushings

open access: yesAIP Advances, 2020
The accuracy of insulation defect diagnosis based on the dielectric spectrum response is severely influenced by temperature for oil-impregnated paper bushing.
Quanmin Dai, Yanxia Liu, Guang Cheng
doaj   +1 more source

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