Robust Pricing Of Transportation Networks Under Uncertainty
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Robust Pricing Of Transportation Networks Under Uncertainty
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Author : Stephen David Boyles
language : en
Publisher:
Release Date : 2010
Robust Pricing Of Transportation Networks Under Uncertainty written by Stephen David Boyles and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Congestion pricing categories.
Solution Methods For Robust Pricing For Transportation Networks Under Demand Uncertainty
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Author : Lauren Marie Gardner
language : en
Publisher:
Release Date : 2008
Solution Methods For Robust Pricing For Transportation Networks Under Demand Uncertainty written by Lauren Marie Gardner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Flexible Management Of Transportation Networks Under Uncertainty
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Author : Joseph Ying Jun Chow
language : en
Publisher:
Release Date : 2010
Flexible Management Of Transportation Networks Under Uncertainty written by Joseph Ying Jun Chow and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Strategies, models, and algorithms facilitating such models are explored to provide transportation network managers and planners with more flexibility under uncertainty. Network design problems with non-stationary stochastic OD demand are formulated as real option investment problems and dynamic programming solution methodologies are used to obtain the value of flexibility to defer and re-design a network. The design premium is shown to reflect the opportunity cost of committing to a "preferred alternative" in transportation planning. Both network option and link option design problems are proposed with solution algorithms and tested on the classical Sioux Falls, SD network. Results indicate that allowing individual links to be deferred can have significant option value. A resource relocation model using non-stationary stochastic variables as chance constraints is proposed. The model is applied to air tanker relocation for initial attack of wildfires in California, and results show that the flexibility to switch locations with non-stationary stochastic variables providing 3-day or 7-day forecasts is more cost-effective than relocations without forecasting. Due to the computational costs of these more complex network models, a faster converging heuristic based on radial basis functions is evaluated for continuous network design problems for the Anaheim, CA network with a 31-dimensional decision variable. The algorithm is further modified and then proven to converge for multi-objective problems. Compared to other popular multi-objective solution algorithms in the literature such as the genetic algorithm, the proposed multi-objective radial basis function algorithm is shown to be most effective. The algorithm is applied to a flexible robust toll pricing problem, where toll pricing is proposed as a strategy to manage network robustness over multiple regimes of link capacity uncertainty. A link degradation simulation model is proposed that uses multivariate Bernoulli random variables to simulate correlated link failures. The solution to a multi-objective mean-variance toll pricing problem is obtained for the Sioux Falls network under low and high probability seasons, showing that the flexibility to adapt the Pareto set of toll solutions to changes in regime - e.g. hurricane seasons, security threat levels, etc - can increase value in terms of an epsilon indicator.
Robust Design And Evaluation Of Transportation Networks With Equilibrium Under Demand Uncertainty
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Author : Jennifer Clare Duthie
language : en
Publisher:
Release Date : 2006
Robust Design And Evaluation Of Transportation Networks With Equilibrium Under Demand Uncertainty written by Jennifer Clare Duthie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Origin and destination traffic surveys categories.
Robust And Dynamic Models For Supply Chain And Transportation Networks
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Author : Byung Do Chung
language : en
Publisher:
Release Date : 2010
Robust And Dynamic Models For Supply Chain And Transportation Networks written by Byung Do Chung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Network Reliability In Practice
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Author : David Levinson
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-10-26
Network Reliability In Practice written by David Levinson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10-26 with Political Science categories.
This book contains selected peer-reviewed papers that were presented at the Fourth International Symposium on Transportation Network Reliability (INSTR) Conference held at the University of Minnesota July 22-23, 2010. International scholars, from a variety of disciplines--engineering, economics, geography, planning and transportation—offer varying perspectives on modeling and analysis of the reliability of transportation networks in order to illustrate both vulnerability to day-to-day and unpredictability variability and risk in travel, and demonstrates strategies for addressing those issues. The scope of the chapters includes all aspects of analysis and design to improve network reliability, specifically user perception of unreliability of public transport, public policy and reliability of travel times, the valuation and economics of reliability, network reliability modeling and estimation, travel behavior and vehicle routing under uncertainty, and risk evaluation and management for transportation networks. The book combines new methodologies and state of the art practice to model and address questions of network unreliability, making it of interest to both academics in transportation and engineering as well as policy-makers and practitioners.
Network Modeling 2008
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Author :
language : en
Publisher:
Release Date : 2008
Network Modeling 2008 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Network analysis (Planning) categories.
TRB's Transportation Research Record: Journal of the Transportation Research Board, No. 2085 includes 15 papers that explore a dynamic network loading model, an algorithm for solving stochastic problems of transportation network analysis, robust pricing of transportation networks under uncertain demand, simultaneous offline estimation of dynamic origin-destination flows, dynamic origin-destination demand estimation, and application of generalized Wardrop principle in regional transportation. This issue of the TRR also examines the origin-destination matrix correction procedure using traffic counts, measuring uncertainty costs using dynamic traffic simulations, an enhanced lagged cell-transmission model for dynamic traffic assignment, stochastic user equilibrium traffic assignment models, an algorithm for the equilibrium signal-setting problem, traffic assignment considering risk-taking behaviors, modeling user responses to pricing, and adaptive route choice models.
Robust Transportation Network Design Under User Equilibrium
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Author : Yun Lu
language : en
Publisher:
Release Date : 2007
Robust Transportation Network Design Under User Equilibrium written by Yun Lu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
We address the problem of designing a transportation network in the presence of demand uncertainty, multiple origin-destination pairs and a budget constraint for the overall construction cost, under the behavioral assumption that travelers optimize their own travel costs (i.e., the "user-equilibrium" condition). Under deterministic demand, we propose an exact integer optimization approach that leads to a quadratic objective, linear constraints optimization problem. As a result, the problem is efficiently solvable via commercial software, when the costs are linear functions of traffic flows. We then use an iterative algorithm to address the case of nonlinear cost functions. While the problem is intractable under probabilistic assumptions on demand uncertainty, we extend the previous model and propose an iterative algorithm using a robust optimization approach that models demand uncertainty. We finally report extensive numerical results to illustrate that our approach leads to tractable solutions for large scale networks.
Accounting For Uncertainty Robustness And Online Information In Transportation Networks
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Author : Satish V. S. K. Ukkusuri
language : en
Publisher:
Release Date : 2005
Accounting For Uncertainty Robustness And Online Information In Transportation Networks written by Satish V. S. K. Ukkusuri and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Transportation categories.
The Network Reliability Of Transport
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Author : M. G. H. Bell
language : en
Publisher: Elsevier
Release Date : 2003-05-08
The Network Reliability Of Transport written by M. G. H. Bell and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-05-08 with Political Science categories.
The reliability of transportation networks has become an increasingly important issue as sustained economic growth and improvements to the quality of life around the world lead to increases in the value of time. Consequently, schedules and routes need to be able to accommodate the unexpected, like accidents, disasters or traffic flow fluctuations, with as little loss in operational efficiency as possible. Sources of unreliability include variation of demand and supply. It is widely expected that network reliability analysis will play a more important role in the planning, design and management of transportation facilities and networks in the future. This book is an outcome of the First International Symposium on Transport Network Reliability (INSTR), held at Kyoto in 2001, and consists of 24 selected papers. It covers various aspects of transport network reliability, such as definitions and methodological developments for reliability indices, behavioural analysis under uncertainty, evaluation methods for the disaster resistance of transport networks, and simulation/observation of travel time reliability.