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Author | : |
Publisher | : |
Release | : 1979 |
File | : 38 Pages |
ISBN-13 | : NWU:35556021041165 |
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Genre | : |
Author | : |
Publisher | : |
Release | : 1979 |
File | : 38 Pages |
ISBN-13 | : NWU:35556021041165 |
Each chapter in Equilibrium and Advanced Transportation Modelling develops a topic from basic concepts to the state-of-the-art, and beyond. All chapters relate to aspects of network equilibrium. Chapter One advocates the use of simulation models for the representation of traffic flow movements at the microscopic level. Chapter Two presents travel demand systems for generating trip matrices from activity-based models, taking into account the entire daily schedule of network users. Chapter Three examines equilibrium strategic choices adopted by the passengers of a congested transit system, carefully addressing line selection at boarding and transfer nodes. Chapter Four provides a critical appraisal of the traditional process that consists in sequentially performing the tasks of trip generation, trip distribution, mode split and assignment, and its impact on the practice of transportation planning. Chapter Five gives an insightful overview of stochastic assignment models, both in the static and dynamic cases. Chapters Six and Seven investigate the setting of tolls to improve traffic flow conditions in a congested transportation network. Chapter Eight provides a unifying framework for the analysis of multicriteria assignment models. In this chapter, available algorithms are summarized and an econometric perspective on the estimation of heterogeneous preferences is given. Chapter Nine surveys the use of hyperpaths in operations research and proposes a new paradigm of equilibrium in a capacitated network, with an application to transit assignment. Chapter Ten analyzes the transient states of a system moving towards equilibrium, using the mathematical framework of projected dynamical systems. Chapter Eleven discusses an in-depth survey of algorithms for solving shortest path problems, which are pervasive to any equilibrium algorithm. The chapter devotes special attention to the computation of dynamic shortest paths and to shortest hyperpaths. The final chapter considers operations research tools for reducing traffic congestion, in particular introducing an algorithm for solving a signal-setting problem formulated as a bilevel program.
Genre | : Business & Economics |
Author | : P. Marcotte |
Publisher | : Springer Science & Business Media |
Release | : 2013-06-29 |
File | : 333 Pages |
ISBN-13 | : 9781461557579 |
Genre | : Network analysis (Planning) |
Author | : Larry J. LeBlanc |
Publisher | : |
Release | : 1981 |
File | : 34 Pages |
ISBN-13 | : NWU:35556021156682 |
This book contains the papers presented at the nineteenth annual International Conference on Urban Transport and the Environment. The papers cover research on how to minimise ecological and environmental impacts from urban transportation systems, make them sustainable, and use them to improve the socio-economic fabric of the city. Papers also address the concerns about the safety, security and efficiency of the systems.Topics covered include: Urban transport planning and Management; Transportation demand analysis; Traffic integration and control; Intelligent transport systems; Transport modelling and simulation; Land use and transport integration; Public transport systems; Environmental and ecological aspects; Air and noise pollution; Safety and security; Energy and transport fuels; Economic and social impact; and Advanced transport systems.
Genre | : Transportation |
Author | : C. A. Brebbia |
Publisher | : WIT Press |
Release | : 2013-05-01 |
File | : 861 Pages |
ISBN-13 | : 9781845647162 |
This volume is a compendium of papers presented during the second TRlennal Symposium on Transportation ANalysis (TRISTAN II) that took place in Capri, Italy on June 23-28, 1994. The Symposium was organized by the Progetto Finalizzato Trasporti and the Istituto di Analisi dei Sistemi ed Informatica of the Italian National Research Council jointly with the Italian Operations Research Society. The purpose of this kind of meetings is to periodically allow an exchange of views and findings by scientists in the field of transportation analysis methods and tools. Therefore, the papers presented dealt with a wide range of topics and cover the different aspects of transportation analysis. The material contained in this book gives particular emphasis to the development of mathematical modelling and algorithms. This development is due to the evolution of digital computers and the continuous increase of the computing power. In fact the need of solving large scale problems (crew scheduling, network traffic control, pollution monitoring and control,. etc ... ) involves in some case, thousands of variables and therefore sophisticated mathematical models and computational algorithms.
Genre | : Business & Economics |
Author | : Lucio Bianco |
Publisher | : Springer Science & Business Media |
Release | : 2012-12-06 |
File | : 621 Pages |
ISBN-13 | : 9783642852565 |
The interest in the mathematical modeling of transportation systems stems from the need to predict how people might make use of new or improved transport infrastruc ture in order to evaluate the benefit of the required investments. To this end it is necessary to build models of the demand for transportation and models that de termine the way in which people who travel use the transportation network. If such models may be constructed and their validity reasonably assured, then the predic tion of the traffic flows on future and present transportation links may be carried out by simulating future situations and then evaluating the potential benefits of alternative improvement projects. In the attempts that were made to construct mathematical models of transportation networks, the notion of equilibrium plays a central role. Suppose that the demand for transportation, that is, the number of trips that occur between the - rious origins and destinations is known. Then it is necessary to determine how these trips are attracted to the alternative routes available between origins and destinations. Knight (1924), gave a simple and intuitively clear description of the behaviour of road traffic under conditions of congestion.
Genre | : Business & Economics |
Author | : M.A. Florian |
Publisher | : Springer Science & Business Media |
Release | : 2012-12-06 |
File | : 457 Pages |
ISBN-13 | : 9783642481239 |
" ... the 17th International Conference ... held ... in Pisa, Italy."--Pref.
Genre | : Transportation |
Author | : Antonio Pratelli |
Publisher | : WIT Press |
Release | : 2011 |
File | : 737 Pages |
ISBN-13 | : 9781845645205 |
This book is written by leading scholars in Network Science, Nonlinear Science and Infrastructure Systems, expressly to develop common theoretical underpinnings for better solutions to modern infrastructural problems. The book is dedicated to the formulation of infrastructural tools that will better solve problems from transportation networks to telecommunications, Internet, supply chains and more.
Genre | : Mathematics |
Author | : Terry L. Friesz |
Publisher | : Springer Science & Business Media |
Release | : 2007-06-10 |
File | : 365 Pages |
ISBN-13 | : 9780387711348 |
One aspect of the new economy is a transition to a networked society, and the emergence of a highly interconnected, interdependent and complex system of networks to move people, goods and information. An example of this is the in creasing reliance of networked systems (e. g. , air transportation networks, electric power grid, maritime transport, etc. ) on telecommunications and information in frastructure. Many of the networks that evolved today have an added complexity in that they have both a spatial structure – i. e. , they are located in physical space but also an a spatial dimension brought on largely by their dependence on infor mation technology. They are also often just one component of a larger system of geographically integrated and overlapping networks operating at different spatial levels. An understanding of these complexities is imperative for the design of plans and policies that can be used to optimize the efficiency, performance and safety of transportation, telecommunications and other networked systems. In one sense, technological advances along with economic forces that encourage the clustering of activities in space to reduce transaction costs have led to more efficient network structures. At the same time the very properties that make these networks more ef ficient have also put them at a greater risk for becoming disconnected or signifi cantly disruptedwh en super connected nodes are removed either intentionally or through a targeted attack.
Genre | : Business & Economics |
Author | : Aura Reggiani |
Publisher | : Springer Science & Business Media |
Release | : 2006-03-30 |
File | : 361 Pages |
ISBN-13 | : 9783540285502 |
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Genre | : Aeronautics |
Author | : |
Publisher | : |
Release | : 1979 |
File | : 738 Pages |
ISBN-13 | : UIUC:30112075601580 |