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An Analysis Of Robustness And Flexibility In Freight Transportation Systems
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Book Synopsis An Analysis of Robustness and Flexibility in Freight Transportation Systems by : Atikhun Unahalekhaka
Download or read book An Analysis of Robustness and Flexibility in Freight Transportation Systems written by Atikhun Unahalekhaka and published by . This book was released on 2013 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Freight transportation is a complex large scale system that operates under a highly dynamic and uncertain environment. Due to the scale and complexity of the system, a highly interdependent set of decisions are made across multiple planning levels. The interaction between tactical level decisions and execution level decisions largely determines the overall effectiveness of the system. This thesis aims to provide an analysis of how the interaction between the degree of robustness of a tactical plan and the flexibility level of an execution policy affects the performance of freight transportation systems in a dynamic and uncertain environment. Such analysis is conducted under two types of transportation systems, including a generalized distribution system and a military logistic system, that operate under demand uncertainty. Execution policies with different levels of flexibility - defined as the degree of freedom to which decisions can be adjusted at the executional level - are obtained by controlling the stickiness level of the different decisions as the decision maker transitions from the tactical plan to the executional plan. Robustness is used as a metric to measure the ability of a system to withstand random changes. Tactical plans with various degrees of robustness are obtained through the use of robust optimization. The performances of tactical plans with various degrees of robustness and execution policies with different levels of flexibility are evaluated through simulation. Results from the analysis on the distribution system show that the optimal level of robustness required from a tactical plan to achieve the lowest expected total cost decreases as the flexibility level of the system increases. Finally, the analysis on the military logistics system shows that the effect of increasing the flexibility level of the execution policy on the performance of the system depends on the uncertainty level of the demand.
Book Synopsis Urban Freight Transportation Systems by : Ralf Elbert
Download or read book Urban Freight Transportation Systems written by Ralf Elbert and published by . This book was released on 2019-10 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Urban Freight Transportation Systems offers new insights into the complexities of today's urban freight transport system. It provides a much needed multidisciplinary perspective from researchers in not only transportation, but also engineering, business management, planning and the law. The book examines numerous critical issues, such as strategies for delivery, logistics and freight transport spatial patterns, urban policy assessment, innovative transportation technologies, urban hubs, and the role factories play in the urban freight transport system. The book offers a novel conceptual approach for addressing the problems of production, logistics and traffic in an urban context. As most of the world's population now live in cities, thus significantly increasing commercial traffic, there are numerous challenges for efficiently and sustainably delivering goods into cities. This book provides solutions and tactics to those challenges. Includes interdisciplinary contributors from around the globe Provides never-before-published original research to help users stay current and develop a deeper understanding of the field Presents the methods and results of research that is useful for both academics and practitioners
Book Synopsis Innovation in European Freight Transportation by : Eva Savelsberg
Download or read book Innovation in European Freight Transportation written by Eva Savelsberg and published by Springer Science & Business Media. This book was released on 2008-04-29 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Serious problems and risks can be observed in European freight transportation development. However, the transport and logistics sector shows a lack of tradition in utilising systematic innovation management to overcome these problems. Hence, this volume puts forward a specific and comprehensive Systemic Migration-Oriented Innovation Management Method. Within the scope of this research, seven case studies of European freight transport innovations have been conducted using this method. They offer a broad, comprehensive and up-to-date view concerning different carriers, degrees of automation, and corridors across Europe. These case studies demonstrate how implementations of innovations may be performed successfully.
Book Synopsis The Future of Automated Freight Transport by : J. W. Konings
Download or read book The Future of Automated Freight Transport written by J. W. Konings and published by Edward Elgar Publishing. This book was released on 2005-01-01 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the many challenges faced by the development and implementation of automated freight transport systems. It offers a unique overview of current applications, developments and future perspectives. The subject of automation is not covered extensively in the existing literature on freight transport and this book aims to fill the gap.
Book Synopsis Resilience, Robustness, and Vulnerability of Transport Systems by : Milan Janić
Download or read book Resilience, Robustness, and Vulnerability of Transport Systems written by Milan Janić and published by Springer Nature. This book was released on 2022-11-21 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is focused on the analysis and modelling of resilience, robustness, and vulnerability of transport systems and their complement: reliability. It provides an elaboration on their generic concepts, analysing disruptive events and nature of their impacts. It also offers an analysis and modelling of the system performances and their indicators relevant for the main actors involved. Applications of the models of performances and their resilience, robustness, and vulnerability to the selected cases of road, rail, air, and maritime transport mode affected by different internal and external disruptive events are also presented. By offering readers a systematic and comprehensive way of dealing with the topic of resilience, robustness, and vulnerability of transport systems and their complement, reliability, this book will be of interest to researchers and professionals alike within the transport industry.
Book Synopsis The Freight Story by : Harry Caldwell
Download or read book The Freight Story written by Harry Caldwell and published by . This book was released on 2002 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although efforts to improve freight transportation efficiency and reliability have been successful, the U.S. transportation system is now facing challenges that, unless addressed, may jeopardize its reliability. Allowing transportation system reliability to erode would add additional pressure to U.S. companies operating in an increasingly competitive international market and place more burdens on communities seeking to sustain their economic base and quality of life. Improved logistics has thus far been able to address the corrosive effects of the loss of system reliability. Unfortunately, the ability of logistics to provide additional offsetting savings appears to be nearing its limit, as are the savings attributable to deregulation. Unless these challenges are addressed, more discretionary income will be devoted to moving materials and products, businesses will be constrained in their adoption of innovative strategies to maintain global competitiveness, quality of life-as measured by congestion-will suffer, and safety and security could be jeopardized.
Download or read book Fast-Forward written by Richard Hillestad and published by Rand Corporation. This book was released on 2009-08-31 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: Efficient movement of freight within the United States and across its borders is a critical enabler of future U.S. economic growth. The authors provide an overview of the freight-transportation system and the problems it faces, concluding with a discussion of key system-modernization issues, including increasing capacity, making the system less vulnerable to disruption, addressing environmental concerns, and building support for funding.
Book Synopsis Freight Transport Planning and Logistics by : Lucio Bianco
Download or read book Freight Transport Planning and Logistics written by Lucio Bianco and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improvements in the performance of a freight transport system can be achieved either through technological innovation or by using advanced planning tools. This volume includes contributions on planning which cover the following topics: - analysis of current trends in developed countries, - demand analysis and forecasting, - flows simulation and prediction, - shipment and delivery problems, - regulation problems, - investment evaluation. Papers consider such applications as warehouse location, crude oil transportation, newspaper distribution, the trucking industry, rail planning and seaport systems. Transport issues in North America and Italy are described and compared. The papers in this volume are revised versions of contributions to the International Seminar on Freight Transport Planning and Logistics held in Bressanone, Italy, in July 1987.
Book Synopsis International Encyclopedia of Transportation by :
Download or read book International Encyclopedia of Transportation written by and published by Elsevier. This book was released on 2021-05-13 with total page 4418 pages. Available in PDF, EPUB and Kindle. Book excerpt: In an increasingly globalised world, despite reductions in costs and time, transportation has become even more important as a facilitator of economic and human interaction; this is reflected in technical advances in transportation systems, increasing interest in how transportation interacts with society and the need to provide novel approaches to understanding its impacts. This has become particularly acute with the impact that Covid-19 has had on transportation across the world, at local, national and international levels. Encyclopedia of Transportation, Seven Volume Set - containing almost 600 articles - brings a cross-cutting and integrated approach to all aspects of transportation from a variety of interdisciplinary fields including engineering, operations research, economics, geography and sociology in order to understand the changes taking place. Emphasising the interaction between these different aspects of research, it offers new solutions to modern-day problems related to transportation. Each of its nine sections is based around familiar themes, but brings together the views of experts from different disciplinary perspectives. Each section is edited by a subject expert who has commissioned articles from a range of authors representing different disciplines, different parts of the world and different social perspectives. The nine sections are structured around the following themes: Transport Modes; Freight Transport and Logistics; Transport Safety and Security; Transport Economics; Traffic Management; Transport Modelling and Data Management; Transport Policy and Planning; Transport Psychology; Sustainability and Health Issues in Transportation. Some articles provide a technical introduction to a topic whilst others provide a bridge between topics or a more future-oriented view of new research areas or challenges. The end result is a reference work that offers researchers and practitioners new approaches, new ways of thinking and novel solutions to problems. All-encompassing and expertly authored, this outstanding reference work will be essential reading for all students and researchers interested in transportation and its global impact in what is a very uncertain world. Provides a forward looking and integrated approach to transportation Updated with future technological impacts, such as self-driving vehicles, cyber-physical systems and big data analytics Includes comprehensive coverage Presents a worldwide approach, including sets of comparative studies and applications
Book Synopsis Freight Transport Modelling by : Moshe E. Ben-Akiva
Download or read book Freight Transport Modelling written by Moshe E. Ben-Akiva and published by Emerald Group Publishing. This book was released on 2013-05-14 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title addresses the need to develop new freight transport models and scientific tools to provide sound solutions that consider the wide range of internal and external impacts. The international contributions push forward frontiers in freight transport modelling and analysis.
Book Synopsis Multi-objective Management in Freight Logistics by : Massimiliano Caramia
Download or read book Multi-objective Management in Freight Logistics written by Massimiliano Caramia and published by Springer Nature. This book was released on 2020-07-30 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of Multi-Objective Management in Freight Logistics builds upon the first, providing a detailed study of freight transportation systems, with a specific focus on multi-objective modelling. It offers decision-makers methods and tools for implementing multi-objective optimisation models in logistics. The second edition also includes brand-new chapters on green supply chain and hybrid fleet management problems. After presenting the general framework and multi-objective optimization, the book analyses green logistic focusing on two main aspects: green corridors and network design; next, it studies logistic issues in a maritime terminal and route planning in the context of hazardous material transportation. Finally, heterogeneous fleets distribution and coordination models are discussed. The book presents problems providing the mathematics, algorithms, implementations, and the related experiments for each problem. It offers a valuable resource for postgraduate students and researchers in transportation, logistics and operations, as well as practitioners working in service systems.
Book Synopsis Decision Support Methods in Modern Transportation Systems and Networks by : Grzegorz Sierpiński
Download or read book Decision Support Methods in Modern Transportation Systems and Networks written by Grzegorz Sierpiński and published by Springer Nature. This book was released on 2021-06-10 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains an abundance of numerical analyses based on significant data sets, illustrating importance of environmentally friendly solutions requiring transport networks to be redesigned or clean zones to be implemented. What kind of steps should be taken to redesign transport network? How to evaluate efficiency or flexibility of transport system and city logistics? What factors can be taken into account in the process of optimizing the functioning of public transport or paid parking zones? How to optimize supply chains (including last mile delivering and routing problem)? Which of the multi-criteria methods should be applied to support decision making processes while tackling problems of global transport systems? Answers to these and many other questions can be found in this book.With regard to the research results discussed and the selected solutions applied, the book entitled "Decision support methods in modern transportation systems and networks" primarily addresses the needs of three target groups: · Scientists and researchers (ITS field) · Local authorities (responsible for the transport systems at the urban and regional level) · Representatives of business (traffic strategy management) and industry (manufacturers of ITS components).
Book Synopsis Performance Measures for Freight Transportation by :
Download or read book Performance Measures for Freight Transportation written by and published by Transportation Research Board. This book was released on 2011 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This report presents a comprehensive, objective, and consistent set of measures to gauge the performance of the freight transportation system. These measures are presented in the form of a Freight System Report Card, which reports information in three formats, each increasingly detailed, to serve the needs of a wide variety of users from decision makers at all levels to anyone interested in assessing the performance of the nation's freight transportation system."--Pub. desc.
Book Synopsis Risk and Interdependencies in Critical Infrastructures by : Per Hokstad
Download or read book Risk and Interdependencies in Critical Infrastructures written by Per Hokstad and published by Springer Science & Business Media. This book was released on 2012-12-18 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today’s society is completely dependent on critical networks such as water supply, sewage, electricity, ICT and transportation. Risk and vulnerability analyses are needed to grasp the impact of threats and hazards. However, these become quite complex as there are strong interdependencies both within and between infrastructure systems. Risk and Interdependencies in Critical Infrastructures: A guideline for analysis provides methods for analyzing risks and interdependencies of critical infrastructures. A number of analysis approaches are described and are adapted to each of these infrastructures. Various approaches are also revised, and all are supported by several examples and illustrations. Particular emphasis is given to the analysis of various interdependencies that often exist between the infrastructures. Risk and Interdependencies in Critical Infrastructures: A guideline for analysis provides a good tool to identify the hazards that are threatening your infrastructures, and will enhance the understanding on how these threats can propagate throughout the system and also affect other infrastructures, thereby identifying useful risk reducing measures. It is essential reading for municipalities and infrastructure owners that are obliged to know about and prepare for the risks and vulnerabilities of the critical infrastructures for which they are responsible.
Book Synopsis Estimating Freight Transportation System Capacity, Flexibility and Degraded-condition Performance by : Yao Sun
Download or read book Estimating Freight Transportation System Capacity, Flexibility and Degraded-condition Performance written by Yao Sun and published by . This book was released on 2006 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modelling Freight Transport by : Lorant Tavasszy
Download or read book Modelling Freight Transport written by Lorant Tavasszy and published by Elsevier. This book was released on 2013-10-11 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: Freight Transport Modelling is a unique new reference book that provides insight into the state-of-the-art of freight modelling. Focusing on models used to support public transport policy analysis, Freight Transport Modelling systematically introduces the latest freight transport modelling approaches and describes the main methods and techniques used to arrive at operational models. As freight transport has grown exponentially in recent decades, policymakers now need to include freight flows in quantitative evaluations of transport systems. Whereas early freight modelling practice was inspired by passenger transport models, by now it has developed its separate stream of methods and techniques inspired by disciplines such as economic geography and supply chain management. Besides summarizing the latest achievements in fundamental research, this book describes the state of practice and advises practitioners on how to cope with typical challenges such as limitations in data availability. - Uniquely focused book exploring the key issues and logistics of freight transport modelling - Highlights the latest approaches and describes the main methods and techniques used to arrive at operational models - Summarizes fundamental research into freight transport modeling, as well as current practices and advice for practitioners facing day-to-day challenges
Book Synopsis Dynamics and Stochasticity in Transportation Systems by : Giulio Cantarella
Download or read book Dynamics and Stochasticity in Transportation Systems written by Giulio Cantarella and published by . This book was released on 2019-11 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamics and Stochasticity in Transportation Systems: Solutions for Transportation Network Modeling breaks new ground on the topics, providing consistent and comprehensive coverage of steady state equilibrium and dynamic assignment within a common strategy. The book details the most recent advances in network assignment, including day-to-day and within-day dynamics, providing a solid foundation to help transportation planners solve transient overload and other problems. Users will find a book that fills the gap in knowledge with its description on how to use and employ the latest dynamic network models for evaluation of traffic and transport demand interventions. This book demystifies the many different dynamic traffic assignment approaches and requires no previous knowledge on the part of the reader. All results are fully described and proven, thus eliminating the need to seek out other references. The skills described will appeal to transportation professionals, researchers and graduate students alike. Presents a consistent and comprehensive theory on steady state equilibrium assignment and day-to-day dynamic assignment models within a common framework Describes and solves modeling calculations in detail, with no need to reference other sources Includes numerical and graphical examples, text boxes and summaries at the end of each chapter to help readers better understand theoretical components Includes primary mathematical tools necessary for each dynamic model, easing comprehension
