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Author: Hakim Hammadou
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Author: Hakim Hammadou
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Author: Hakim Hammadou
Publisher:
ISBN:
Category :
Languages : fr
Pages : 63
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Author: Isabelle Cabanne
Publisher:
ISBN:
Category :
Languages : fr
Pages : 356
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Book Description
Dans la présente thèse, nous modélisons l'évolution des trafics nationaux de voyageurs à longue distance, ferroviaires, aériens et autoroutiers, à l'aide de modèles macro-économiques calés sur séries temporelles. Les modèles calés sur séries temporelles offrent l'avantage de s'appuyer sur de l'information dynamique et permettent de mettre en évidence des relations de long terme entre les fluctuations de certaines variables et celles des trafics. Toutefois, ces modèles ne sont pas sans présenter des inconvénients. Ces modèles sont généralement des modèles de demande directe et perdent la logique de génération – partage modal. Par ailleurs, les variables explicatives sont généralement en nombre restreint et fortement agrégées, ce qui n'est pas sans soulever des problèmes de pertinence. Ainsi une même vitesse ferroviaire moyenne peut correspondre à des structures de temps de parcours différentes et donc à des impacts différents sur les trafics. Dans la présente thèse nous proposons un indicateur de vitesse ferroviaire qui permet d'intégrer des effets de structure et de seuils de concurrence air/fer. Nous testons par ailleurs différentes architectures, demande directe ou génération - partage modal. La thèse est divisée en 4 chapitres. Après avoir présenté les bases de données disponibles et décrit l'évolution des trafics, nous explicitons les principaux déterminants de la mobilité à longue distance puis effectuons une analyse bibliographique des différentes méthodes de modélisation existantes. Dans un dernier temps, nous construisons, et analysons sous l'angle de l'opérationnalité, différents modèles.
Author: M. R. Wigan
Publisher:
ISBN:
Category : Choice of transportation
Languages : en
Pages : 10
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Author: Juan de Dios Ortúzar
Publisher: John Wiley & Sons
ISBN: 1119993520
Category : Technology & Engineering
Languages : en
Pages : 584
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Book Description
Already the market leader in the field, Modelling Transport has become still more indispensible following a thorough and detailed update. Enhancements include two entirely new chapters on modelling for private sector projects and on activity-based modelling; a new section on dynamic assignment and micro-simulation; and sizeable updates to sections on disaggregate modelling and stated preference design and analysis. It also tackles topical issues such as valuation of externalities and the role of GPS in travel time surveys. Providing unrivalled depth and breadth of coverage, each topic is approached as a modelling exercise with discussion of the roles of theory, data, model specification, estimation, validation and application. The authors present the state of the art and its practical application in a pedagogic manner, easily understandable to both students and practitioners. Follows on from the highly successful third edition universally acknowledged as the leading text on transport modelling techniques and applications Includes two new chapters on modelling for private sector projects and activity based modeling, and numerous updates to existing chapters Incorporates treatment of recent issues and concerns like risk analysis and the dynamic interaction between land use and transport Provides comprehensive and rigorous information and guidance, enabling readers to make practical use of every available technique Relates the topics to new external factors and technologies such as global warming, valuation of externalities and global positioning systems (GPS).
Author: Ravindra V. Jategaonkar
Publisher: AIAA (American Institute of Aeronautics & Astronautics)
ISBN:
Category : Science
Languages : en
Pages : 568
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Book Description
This valuable volume offers a systematic approach to flight vehicle system identification and exhaustively covers the time domain methodology. It addresses in detail the theoretical and practical aspects of various parameter estimation methods, including those in the stochastic framework and focusing on nonlinear models, cost functions, optimization methods, and residual analysis. A pragmatic and balanced account of pros and cons in each case is provided. The book also presents data gathering and model validation, and covers both large-scale systems and high-fidelity modeling. Real world problems dealing with a variety of flight vehicle applications are addressed and solutions are provided. Examples encompass such problems as estimation of aerodynamics, stability, and control derivatives from flight data, flight path reconstruction, nonlinearities in control surface effectiveness, stall hysteresis, unstable aircraft, and other critical considerations.
Author: Frédéric Lasserre
Publisher: Routledge
ISBN: 1351037447
Category : Business & Economics
Languages : en
Pages : 217
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Book Description
This book considers both the present state of Arctic shipping and possible future trends with reference to the various sectors of maritime transportation: cruise tourism, container traffic and bulk shipping. Ports are analysed as tools that support the strategies of coastal states to foster the development of resource extraction, enhance the attractiveness of Arctic shipping lanes and enable the control of maritime activities through coast guard deployment. The aim of this book is to draw a picture of the trends of Arctic shipping. How is traffic evolving in Canada’s Arctic, or along the Northern Sea Route? Are there significant differences between bulk and container shipping segments when considering the Arctic market? How are the ports and the hinterland developing and what are the strategies behind those? How is the legal framework shaping the evolution of maritime transportation? The contributors to this book consider all of these questions, and more, as they map out the prospects for Arctic shipping and analyse in detail the development of Arctic shipping as a result of multi-variable interactions. This book will be key reading for industry professionals and post-graduate students alike.
Author: Jean Delisle
Publisher: John Benjamins Publishing
ISBN: 9027224501
Category : Language Arts & Disciplines
Languages : en
Pages : 364
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Book Description
Acclaimed, when it first appeared, as a seminal work a groundbreaking book that was both informative and highly readable Translators through History is being released in a new edition, substantially revised and expanded by Judith Woodsworth. Translators have played a key role in intellectual exchange through the ages and across borders. This account of how they have contributed to the development of languages, the emergence of literatures, the dissemination of knowledge and the spread of values tells the story of world culture itself. Content has been updated, new elements introduced and recent directions in translation scholarship incorporated, providing fresh insights and a more nuanced view of past events. The bibliography contains over 100 new titles and illustrations have been refreshed and enhanced. An invaluable tool for students, scholars and professionals in the field of translation, the latest version of Translators through History remains a vital resource for researchers in other disciplines and a fascinating read for the wider public.
Author: International Association for Travel Behaviour Research
Publisher: Emerald Group Publishing
ISBN: 9780080439242
Category : Travel
Languages : en
Pages : 930
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Book Description
Developments in methodology and applications in travel behaviour research continue to diversify to capture the growing complexity of human travel activity and coping strategies. The random utility theory (RUM) paradigm on which many econometric and empirical studies have been based since the mid-1970's has been challenged by the bounded utility maximisation or satisficing paradigm. More recently, the rules-based paradigm from psychology has attracted considerable interest and shows signs of offering a serious 'alternative' paradigm to RUM. This book highlights the competition between these ideas and shows how the rules-based paradigm has opened up opportunities to reflect the activity-based decision-making process. In six specially commissioned resource papers - including one by Nobel laureate Daniel McFadden - it describes the state of the art in travel behaviour research, from the fundamentals of data collection to the frontiers of e-commerce. The next 14 chapters then set out a series of research directions for ongoing inquiry. Thirty-three further chapters then offer detailed leading edge contributions within seven themes: methodological developments in choice analysis; longitudinal perspectives in choice modelling; incorporating schedules, uncertainty and reliability; challenges facing micro-simulation; integrated transport planning models; driver information and route choice; and data structures. Based on research presented at the Ninth International Conference of the International Association for Travel Behaviour Research (IATBR), this volume captures major developments in the field since the publication of the last IATBR volume in 1998, and will therefore be of value to all researchers and practitioners needing to keep abreast of current work on travel behaviour.
Author: Walter Isard
Publisher: Рипол Классик
ISBN: 5882515440
Category : History
Languages : en
Pages : 817
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Book Description
