A Decentralized Approach to System Optimal Routings in Dynamic Traffic Networks

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ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.L/5 ( download)

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Book Synopsis A Decentralized Approach to System Optimal Routings in Dynamic Traffic Networks by : Alfred Garcia

Download or read book A Decentralized Approach to System Optimal Routings in Dynamic Traffic Networks written by Alfred Garcia and published by . This book was released on 1997 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dynamic Programming Heuristic for System Optimal Routing in Dynamic Traffic Networks

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ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (34 download)

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Book Synopsis Dynamic Programming Heuristic for System Optimal Routing in Dynamic Traffic Networks by : Alfredo Garcia

Download or read book Dynamic Programming Heuristic for System Optimal Routing in Dynamic Traffic Networks written by Alfredo Garcia and published by . This book was released on 1995 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dynamic Programming Heuristic for System Optimal Routing in Dynmaic trafic Networks

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ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.L/5 ( download)

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Book Synopsis Dynamic Programming Heuristic for System Optimal Routing in Dynmaic trafic Networks by : Alfredo Garcia

Download or read book Dynamic Programming Heuristic for System Optimal Routing in Dynmaic trafic Networks written by Alfredo Garcia and published by . This book was released on 1995 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Routing Strategies for the Reliable and Efficient Utilization of Road Networks

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ISBN 13 :
Total Pages : 187 pages
Book Rating : 4.:/5 (919 download)

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Book Synopsis Routing Strategies for the Reliable and Efficient Utilization of Road Networks by : Samitha Samaranayake

Download or read book Routing Strategies for the Reliable and Efficient Utilization of Road Networks written by Samitha Samaranayake and published by . This book was released on 2014 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research presented in this dissertation aims to develop computationally tractable models and algorithms for the reliable and efficient utilization of capacity restricted transportation networks via route selection and demand redistribution, motivated by the fact that traffic congestion in road networks is a major problem in urban communities. Three related topics are considered, 1) route planning with reliability guarantees, 2) system optimal dynamic traffic assignment, and 3) controlling user equilibrium departure times. Route planning can in many practical settings require finding a route that is both fast and reliable. However, in most operational settings, only deterministic shortest paths are considered, and even when the link travel-times are known to be stochastic the common approach is to simply minimize the expected travel-time. This approach does not account for the variance of the travel-time and gives no reliability guarantees. In many cases, travelers have hard deadlines or are willing to sacrifice some extra travel-time for increased travel-time reliability, such as in commercial routing applications where delivery guarantees need to be met and perishables need to be delivered on time. The research presented in this dissertation develops fast computation techniques for the reliable routing problem known as the stochastic on-time arrival (SOTA) problem, which provides a routing strategy that maximizes the probability of arriving at the destination within a fixed time budget. Selfish user optimal routing strategies can, however, lead to very inefficient traffic equilibria in congested traffic networks. This "Price of Anarchy" can be mitigated using system optimal coordinated routing algorithms. The dissertation considers the system optimal dynamic traffic assignment problem when only a subset of the network agents can be centrally coordinated. A road traffic dynamics model is developed based on the Lighthill-Williams-Richards partial differential equation and a corresponding multi-commodity junction solver. Full Lagrangian paths are assumed to be known for the controllable agents, while only the aggregate split ratios are required for the non-controllable (selfish) agents. The resulting non-linear optimal control problem is solved efficiently using the discrete adjoint method. Spill-back from under-capacitated off-ramps is one of the major causes of congestion during the morning commute. This spill-back induces a capacity drop on the freeway, which then creates a bottleneck for the mainline traffic that is passing by the off-ramp. Therefore, influencing the flow distribution of the vehicles that exit the freeway at the off-ramp can improve the throughput of freeway vehicles that pass this junction. The dissertation studies the generalized morning commute problem where vehicles exiting the freeway at the under-capacitated off-ramp have a fixed desired arrival time and a corresponding equilibrium departure time schedule, and presents strategies to manipulated this equilibrium to maximize throughput on the freeway via incentives or tolls.

Information Logistics. Decentralized Approaches of Information Allocation in Information Exchange Networks

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Publisher : ibidem-Verlag / ibidem Press
ISBN 13 : 3838257405
Total Pages : 408 pages
Book Rating : 4.8/5 (382 download)

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Book Synopsis Information Logistics. Decentralized Approaches of Information Allocation in Information Exchange Networks by : Sven Grolik

Download or read book Information Logistics. Decentralized Approaches of Information Allocation in Information Exchange Networks written by Sven Grolik and published by ibidem-Verlag / ibidem Press. This book was released on 2012-02-24 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of modern planning and optimization systems for process synchronization in value networks requires the optimal information exchange between the entities involved. The central focus of Sven Grolik's study is the development of efficient mechanisms for the coordination of information allocation by the example of interconnected transportation marketplaces. Unlike traditional information allocation algorithms, the algorithms developed in his analysis are based on update mechanisms which maintain a weak consistency of replicated information in the network. Sven Grolik shows that these algorithms enable savings concerning the update costs as well as increase the performance within the network, but at the same time guarantee compliance with quality of service levels concerning the currency of information. The focus of this work is the development of decentralized, online algorithms which make a logically distributed computation possible on the basis of local information. The development of these innovative algorithms is based on approaches of multi-agent system theory as well as distributed simulated annealing techniques.

System-optimal Routing of Traffic Flows with User Constraints in Networks with Congestion

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ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (643 download)

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Book Synopsis System-optimal Routing of Traffic Flows with User Constraints in Networks with Congestion by : Olaf Jahn

Download or read book System-optimal Routing of Traffic Flows with User Constraints in Networks with Congestion written by Olaf Jahn and published by . This book was released on with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of route-guidance systems faces a well-known dilemma. The approach that theoretically yields the system-optimal traffic pattern may discriminate against some users, for the sake of favoring others. Proposed alternate models, however, do not directly address the system perspective and may result in inferior performance. We propose a novel model and corresponding algorithms to resolve this dilemma. We present computational results on real-world instances and compare the new approach with the well-established traffic assignment model. The quintessence is that system-optimal routing of traffic flow with explicit integration of user constraints leads to a better performance than the user equilibrium while simultaneously guaranteeing a superior fairness compared to the pure system optimum. Keywords: networks/graphs, multicommodity, theory, transportation, models, mathematics, combinatorics

INFORMS Conference Program

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ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis INFORMS Conference Program by : Institute for Operations Research and the Management Sciences. National Meeting

Download or read book INFORMS Conference Program written by Institute for Operations Research and the Management Sciences. National Meeting and published by . This book was released on 1999 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Decentralized Systems with Design Constraints

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Publisher : Springer Science & Business Media
ISBN 13 : 0857292900
Total Pages : 565 pages
Book Rating : 4.8/5 (572 download)

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Book Synopsis Decentralized Systems with Design Constraints by : Magdi S. Mahmoud

Download or read book Decentralized Systems with Design Constraints written by Magdi S. Mahmoud and published by Springer Science & Business Media. This book was released on 2011-02-24 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: Decentralized Control and Filtering provides a rigorous framework for examining the analysis, stability and control of large-scale systems, addressing the difficulties that arise because dimensionality, information structure constraints, parametric uncertainty and time-delays. This monograph serves three purposes: it reviews past methods and results from a contemporary perspective; it examines presents trends and approaches and to provide future possibilities; and it investigates robust, reliable and/or resilient decentralized design methods based on a framework of linear matrix inequalities. As well as providing an overview of large-scale systems theories from the past several decades, the author presents key modern concepts and efficient computational methods. Representative numerical examples, end-of-chapter problems, and typical system applications are included, and theoretical developments and practical applications of large-scale dynamical systems are discussed in depth.

System-Optimal Routing of Traffic Flows With User Constraints in Networks With Congestion

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)

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Book Synopsis System-Optimal Routing of Traffic Flows With User Constraints in Networks With Congestion by : Olaf Jahn

Download or read book System-Optimal Routing of Traffic Flows With User Constraints in Networks With Congestion written by Olaf Jahn and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of route-guidance systems faces a well-known dilemma. The approach that theoretically yields the system-optimal traffic pattern may discriminate against some users, for the sake of favoring others. Proposed alternate models, however, do not directly address the system perspective and may result in inferior performance. We propose a novel model and corresponding algorithms to resolve this dilemma. We present computational results on real-world instances and compare the new approach with the well-established traffic assignment model. The quintessence is that system-optimal routing of traffic flow with explicit integration of user constraints leads to a better performance than the user equilibrium while simultaneously guaranteeing a superior fairness compared to the pure system optimum.

An Optimal Approach to Dynamic Routing in Networks

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ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (156 download)

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Book Synopsis An Optimal Approach to Dynamic Routing in Networks by : Mario Jodorkovsky

Download or read book An Optimal Approach to Dynamic Routing in Networks written by Mario Jodorkovsky and published by . This book was released on 1981 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Game Theoretic Analysis of Congestion, Safety and Security

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Publisher : Springer
ISBN 13 : 3319116746
Total Pages : 226 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Game Theoretic Analysis of Congestion, Safety and Security by : Kjell Hausken

Download or read book Game Theoretic Analysis of Congestion, Safety and Security written by Kjell Hausken and published by Springer. This book was released on 2014-12-27 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maximizing reader insights into the interactions between game theory, excessive crowding and safety and security elements, this book establishes a new research angle by illustrating linkages between different research approaches and through laying the foundations for subsequent analysis. Congestion (excessive crowding) is defined in this work as all kinds of flows; e.g., road/sea/air traffic, people, data, information, water, electricity, and organisms. Analysing systems where congestion occurs – which may be in parallel, series, interlinked, or interdependent, with flows one way or both ways – this book puts forward new congestion models, breaking new ground by introducing game theory and safety/security into proceedings. Addressing the multiple actors who may hold different concerns regarding system reliability; e.g. one or several terrorists, a government, various local or regional government agencies, or others with stakes for or against system reliability, this book describes how governments and authorities may have the tools to handle congestion, but that these tools need to be improved whilst additionally ensuring safety and security against various threats. This game-theoretic analysis sets this book apart from the current congestion literature and ensures that the book will be of use to postgraduates, researchers, 3rd/4th-year undergraduates, policy makers, and practitioners.

Transportation Research Record

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ISBN 13 :
Total Pages : pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Transportation Research Record by :

Download or read book Transportation Research Record written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

on the convergence of iterative routing-assignment proceedures in dynamic traffic networks

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Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.L/5 ( download)

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Book Synopsis on the convergence of iterative routing-assignment proceedures in dynamic traffic networks by : alfredo garcia

Download or read book on the convergence of iterative routing-assignment proceedures in dynamic traffic networks written by alfredo garcia and published by . This book was released on 1995 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Resource Discovery, Navigability and Trust Management Techniques for IoT and SIoT

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Publisher : CRC Press
ISBN 13 : 1040134351
Total Pages : 330 pages
Book Rating : 4.0/5 (41 download)

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Book Synopsis Resource Discovery, Navigability and Trust Management Techniques for IoT and SIoT by : Venugopal K R

Download or read book Resource Discovery, Navigability and Trust Management Techniques for IoT and SIoT written by Venugopal K R and published by CRC Press. This book was released on 2024-10-22 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: A ready reference for the next-generation discovery techniques, this book presents advanced research findings on resource discovery, network navigability, and trust management on the Internet of Things (IoT) and Social Internet of Things (SIoT) ecosystems. It discusses the benefits of integrating social networking concepts into the Internet of Things to find the preferable, reliable, scalable, and near-optimal detection of things or services. It explores the concepts of the Social Internet of Things in different domains of IoT, such as the Internet of Vehicles and the Industrial Internet of Things. This book works to recognize and respond to user queries and improve service provisioning, find the optimal solution for the link selection in the SIoT structure, develop large-scale platforms, and provide a smart mechanism for trust evaluation. · Covers the rapid advancements in low-cost sensor manufacturing, communication protocols, embedded systems, actuators, and hardware miniaturization that have contributed to the exponential growth of the IoT · Presents the fundamentals of a search system for sensor search and resource discovery in an IoT ecosystem · Includes the applicability of different search techniques across several application domains of the IoT under various use case scenarios · Discusses the thrust areas in SIoT (service discovery and composition, network navigability, relationship management, and trustworthiness management) and presents several prerequisites, challenges, and use case scenarios · Provides insights into current challenges in the domains of Internet of Things and Social Internet of Things This book will be helpful to researchers, scholars, and postgraduate students in Computer Science and Information Technology departments.

Managing Business Interfaces

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Publisher : Springer Science & Business Media
ISBN 13 : 9780387243788
Total Pages : 1004 pages
Book Rating : 4.2/5 (437 download)

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Book Synopsis Managing Business Interfaces by : Amiya K. Chakravarty

Download or read book Managing Business Interfaces written by Amiya K. Chakravarty and published by Springer Science & Business Media. This book was released on 2005-03-29 with total page 1004 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amiya Chakravarty is a big name in production manufacturing and Josh Eliashberg is a huge name in marketing. This is one of the first books that examines the interface of Marketing and Production, with the chapters written by well-known people in the field. Hardcover version published in December 2003.

Handbook of Transportation Science

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Publisher : Springer Science & Business Media
ISBN 13 : 0306480581
Total Pages : 737 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Handbook of Transportation Science by : Randolph Hall

Download or read book Handbook of Transportation Science written by Randolph Hall and published by Springer Science & Business Media. This book was released on 2006-04-11 with total page 737 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past thirty-five years, a substantial amount of theoretical and empirical scholarly research has been developed across the discipline domains of Transportation. This research has been synthesized into a systematic handbook that examines the scientific concepts, methods, and principles of this growing and evolving field. The Handbook of Transportation Science outlines the field of transportation as a scientific discipline that transcends transportation technology and methods. Whether by car, truck, airplane - or by a mode of transportation that has not yet been conceived - transportation obeys fundamental properties. The science of transportation defines these properties, and demonstrates how our knowledge of one mode of transportation can be used to explain the behavior of another. Transportation scientists are motivated by the desire to explain spatial interactions that result in movement of people or objects from place to place. Its methodologies draw from physics, operations research, probability and control theory.

Introduction to Information Technology

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Publisher : Scientific e-Resources
ISBN 13 : 1839472405
Total Pages : 316 pages
Book Rating : 4.8/5 (394 download)

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Book Synopsis Introduction to Information Technology by : Chris Koch

Download or read book Introduction to Information Technology written by Chris Koch and published by Scientific e-Resources. This book was released on 2018-11-14 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Science and technology have occupied almost all spheres of human life and living. The wonderful achievements of science and technology have glorified the modern world and transformed the civilization into a scientific and technological civilization. Considering the importance of science and technology, they have been incorporated in every stage of education. The present book deals with the teachers' role, possessing the vast knowledge of socialization, social class influences, the teaching ethics, new technologies, research perspective, use of internet, television, management and professional accreditation in information technology, etc. The book has in its contents much to help and guide the students to choose any one of the professional alternatives to decide the direction of their careers. This book, thus, provides many educational ideas for both teachers and students, and is a must for all educational institutions and interested persons as well.