Tesis sobre el tema "Urban freight transportation"
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Lindsey, Christopher Lamar. "A framework for integrating freight into MPO transportation planning". Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24606.
Texto completoLuk, Yiu-wah Everett y 陸耀華. "Potential applications of intelligent transport systems in urban freight transport". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B29851397.
Texto completoHossen, Md Shakhawat. "Freight Flow, Pattern and Variable Magnitudes: Ins and Outs of Midwest". University of Toledo / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1501889816604518.
Texto completoAsuncion, Janice Sy. "The Geographic Adaptive Potential of Freight Transportation and Production System in the Context of Fuel and Emission Constraints". Thesis, University of Canterbury. Department of Mechanical Engineering, 2014. http://hdl.handle.net/10092/9230.
Texto completoPEREZ, ALDO ELIADES FERNANDEZ. "ORIGIN-DESTINATION MATRICES ESTIMATION FOR FREIGHT VEHICLES FOR THE STUDY OF URBAN TRANSPORTATION MASTER PLAN OF THE METROPOLITAN REGION OF RIO DE JANEIRO (PDTU-RMRJ)". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2014. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=24597@1.
Texto completoCOORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
PROGRAMA DE SUPORTE À PÓS-GRADUAÇÃO DE INSTS. DE ENSINO
A simulação da circulação interna-interna de veículos de carga foi um estudo inédito e inovador para a revisão do Plano Diretor de Transporte Urbano da Região Metropolitana de Rio de Janeiro (PDTU-RMRJ/2011), no qual se faz uma estimação de vetores de produção e atração (P/A) de viagens de caminhões para 730 zonas de tráfego, de matrizes origem-destino (OD) e a alocação de viagens de veículos de carga para três períodos (pico da manhã, pico da tarde e entre picos). A metodologia e modelo utilizados foram baseados em uma aplicação realizada na cidade de Sevilla (Espanha). Para o caso da RMRJ foram estimados vetores de viagens de dois tipos, um com relação às entregas do tipo Empresa a Empresa (Business to Business, B2B) e outro do tipo Empresa a Domicilio (Business to Housing, B2H). Como resultados ilustrativos são mostrados os vetores (P/A) de viagens diárias de caminhões agregados por município, uma matriz OD de caminhões no período entre picos agregada por município e a alocação dessas viagens na rede de simulação do PDTU para o período entre picos. Desses resultados, destaca-se que os municípios com maior quantidade (somam mais de 80 por cento) das viagens produzidas e atraídas dentro da RMRJ são apenas cinco: Rio de Janeiro, Duque de Caxias, Niterói, São Gonçalo e Nova Iguaçu; e que as vias mais utilizadas para o tráfego de caminhões são a BR-101, BR-116 e a BR-040.
Within the framework of the Revision of the Urban Transportation Master Plan for the Rio de Janeiro Metropolitan Region (PDTU-2011) an innovative model was developed – first of its kind in Brazilian cities – for the estimation of truck flows within the study area. Productions and attractions vectors (P/A) of truck trip ends, as well as origin/destination (O/D) matrices for the 730 traffic analysis zones were estimated, and truck assignments for three daily periods (morning peak, afternoon peak, and inter-peaks) were conducted. Model methodology was based in another study conducted for the city of Seville (Spain). Two sets of P/A vectors were estimated, one for business-to-business deliveries (B2B) and another for household deliveries (B2H). Daily truck trip ends P/A vectors aggregated by city are presented, as well as a city level O/D inter-peak truck matrix and the results of its assignment to the PDTU-2011 simulation network. From those illustrative results, it is shown that only five cities (Rio de Janeiro, Duque de Caxias, Niterói, São Gonçalo e Nova Iguaçu) account for more than 80 per cent of truck trips produced and attracted within the Metropolitan Region, and that the most heavily used truck routes are comprised of BR-101, BR-116 and BR-040 expressways.
Griffith, Kyle C. "The Unmaking of an Embargo: How Policy Entrepreneurs at the Individual, State, and National Levels are Creating New Paths for Policy Change in Modern United States-Cuba Relations". ScholarWorks@UNO, 2016. http://scholarworks.uno.edu/td/2148.
Texto completoMourad, Abood. "The synchronization of shared mobility flows in urban environments". Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLC041/document.
Texto completoThe rise of research into shared mobility systems reflects emerging challenges, such as rising urbanization rates, traffic congestion, oil prices and environmental concerns. The operations research community has turned towards more sharable and sustainable systems of transportation. Although shared mobility comes with many benefits, it has some challenges that are restricting its widespread adoption. More research is thus needed towards developing new shared mobility systems so that a better use of the available transportation assets can be obtained.This thesis aims at developing efficient models and optimization approaches for synchronizing people and freight flows in an urban environment. As such, the following research questions are addressed throughout the thesis:*Q1: What are the variants of shared mobility systems and how to optimize them?*Q2: How can people trips be synchronized and what gains can this synchronization yields?*Q3: How can people and freight flows be combined and what are the intended benefits?*Q4: What impacts uncertainty can have on planning and operating shared mobility systems?First, we review different variants of the shared mobility problem where either (i) travelers share their rides, or (ii) the transportation of passengers and freight is combined. We then classify these variants according to their models, solution approaches and application context and We provide a comprehensive overview of the recently published papers and case studies. Based on this review, we identify two shared mobility problems, which we study further in this thesis.Second, we study a ridesharing problem where individually-owned and on-demand autonomous vehicles (AVs) are used for transporting passengers and a set of meeting points is used for synchronizing their trips. We develop a two-phase method (a pre-processing algorithm and a matching optimization problem) for assessing the sharing potential of different AV ownership models, and we evaluate them on a case study for New York City.Then, we present a model that integrates freight deliveries to a scheduled line for people transportation where passengers demand, and thus the available capacity for transporting freight, is assumed to be stochastic. We model this problem as a two-stage stochastic problem and we provide a MIP formulation and a sample average approximation (SAA) method along with an Adaptive Large Neighborhood Search (ALNS) algorithm to solve it. We then analyze the proposed approach as well as the impacts of stochastic passengers demand on such integrated system on a computational study.Finally, we summarize the key findings, highlight the main challenges facing shared mobility systems, and suggest potential directions for future research
Nicolaides, Doros. "Power infrastructure requirements for road transport electrification". Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/280689.
Texto completoLopez, Clélia. "Modélisation dynamique du trafic et transport de marchandises en ville : vers une approche combinée". Thesis, Lyon, 2017. http://www.theses.fr/2017LYSET009/document.
Texto completoThis thesis aims to modeling the interactions between the urban freight and the traffic dynamic. Although both are intertwined, they have rarely been studied considering a combined approach. Specifically, the main purpose is to analyze the impacts of the urban freight on traffic states, and vice versa. This research is focused on two axes: the urban freight considering (i) the delivery and (ii) the delivery route scales, and two traffic dynamic scales describing (iii) a day and (iv) a set of days. (i) The delivery of goods carried by vehicles can produce traffic congestion, noise and air pollution. Nevertheless, the transport of goods is essential for the economy of cities. The double parking is a common way for delivery trucks. This illegal parking reduces the vehicle capacity of the transportation network. A sensitivity analysis in traffic microscopic simulation model for urban freight highlight a significant decreasing of the traffic conditions on an urban corridor considering a low number of double parking. These local and temporal phenomena are essential to be integrated into the traffic simulation in order to better study the overall performance of the transportation system. (ii) The delivery route planner can be improved by integrating traffic conditions. The route optimization algorithms are based on quality and quantity of given data available. We investigate the influence of several levels of granularity on traffic information data for the optimal route scheduling. Moreover, the travel time estimated by algorithms and the effective travel time estimated by a microscopic simulation are compared. In addition, the expected traffic conditions can be subject to variations. We propose a methodology of delivery route planner integrating the uncertainty of the traffic dynamics. (iii) At the city level, the traffic conditions are varied through space and time. A partitioning of urban transportation networks makes possible to identify homogeneous zones. A zone is defined by a set of connected links with similar traffic conditions. We proposed a spatial and temporal approach to define the 3D zones. The idea is to summarize the majority of the traffic dynamics of a given city using only a few information: the mean speed per spatial and temporal zone. Two fundamentally different methods of clustering are compared and evaluated. The study case is the Amsterdam network with its real-world traffic data. (iv) From day to day, the traffic dynamic can be similar. We proposed a methodology grouping days by their similar congestion patterns. The existence of a regularity through daily patterns are introduced by consensual speed map. A consensual speed map is the reference day representing a group of days. Our model is validated by using the effective travel time and estimated ones by the consensual speed maps. Numerous applications can be refined from a couple of consensual speed maps, as the route guidance and delivery route planning
Nefzger, Matthias. "Design and development of a low-cost smartphone-based research platform for real-world driving studies". Thesis, Ludwig-Maximilians University of Munich (LMU), 2017. https://eprints.qut.edu.au/104238/1/MSc%20Thesis%20Matthias%20Nefzger.pdf.
Texto completoWood, Nicholas Stephen. "Assessing the marginal cost of freeway congestion for vehicle fleets using passive GPS speed data". Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34798.
Texto completoProtopapas, Annie. "Travel characteristics of urban freight vehicles and their effects on air quality". 2004. http://etd.utk.edu/2004/ProtopapasAnnie.pdf.
Texto completoShen, Ching-Hsin y 沈敬莘. "Investigating the Characteristics and Influential Factors of Fuel Consumption in Urban Freight Transportation". Thesis, 2013. http://ndltd.ncl.edu.tw/handle/16529814372997006775.
Texto completo國立交通大學
運輸與物流管理學系
101
The investigation of the characteristics and influential factors of fuel consumption in urban freight transportation field is rare. Most studies discussed about cars or buses. Within the development of economics and urban freight, the growth of freight vehicles and driving mileages should not be underestimated. Therefore, freight companies need an effective method to control the fuel consumption in the competitive market. This research selected an urban freight company, then focus on its three kinds of service patterns to collect the data. We analyze the routes, driving behavior, and operating characteristics of above three patterns through interviews, OBD II vehicle data and event data recorder. The data of OBD II is the major data for us to construct a speed-based fuel consumption model. Further, in order to know the practicality and applicability of this speed-based model, we propose some scenarios to discuss the different fuel consumption between them. By using this model, freight operators and drivers can easily adjust the driving behavior toward speed in different driving situations and routes to achieve the objective of cutting down the fuel consumption for energy saving and carbon reduction.
Shnier, Erin. "Plug-In City Outlets: Revisioning the Form of Urban Logistics". Thesis, 2009. http://hdl.handle.net/10012/4536.
Texto completoRempel, Garreth. "Developing a container freight information system to understand container truck traffic in inland port cities". 2011. http://hdl.handle.net/1993/4819.
Texto completoKeegan, Aaron J. "Evaluating the Impact of Double-Parked Freight Deliveries on Signalized Arterial Control Delay Using Analytical Models and Simulation". 2018. https://scholarworks.umass.edu/masters_theses_2/691.
Texto completoTrain, Alexander R. "Short Line Railroads and Municipal Land Use Planning, Policy, and Regulation". 2015. https://scholarworks.umass.edu/masters_theses_2/211.
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