Optimization And Microsimulation Of On Ramp Metering For Congested Freeways
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Optimization And Microsimulation Of On Ramp Metering For Congested Freeways
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Author : Gabriel Clemente Gomes
language : en
Publisher:
Release Date : 2004
Optimization And Microsimulation Of On Ramp Metering For Congested Freeways written by Gabriel Clemente Gomes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Express highway interchanges categories.
This dissertation investigates various aspect of the design and testing of on-ramp metering control systems, including optimization-based control and microscopic freeway modeling. A new technique for generating optimal metering plans is developed. As with most predictive designs, the ramp metering rates are found as the solution to a nonlinear optimization problem. In contrast to previous designs, the new approach 1) produces a globally optimal solution to the nonlinear problem, 2) requires only to solve a single linear program, and 3) allows the enforcement of hard constraints on the on-ramp queue lengths. The price that is paid for these features is that the objective function being minimized is not Total Travel Time, but rather a member of a class of "TTT-like" objective functions. A TTT-like objective function is defined as a linear combination of mainline flows with weights that, similarly to the Total Travel Time cost weights, decrease linearly in time from some initial value to zero at the final time. An example application of the technique shows that the globally optimal metering plan with respect to a TTT-like objective function also performs well in terms of Total Travel Time. A macroscopic analysis of local traffic-responsive ramp metering on a short stretch of freeway, with a single on-ramp and no offramps, is also presented. The study compares the performance of two popular local traffic-responsive ramp metering algorithms: Alinea and Percent-Occupancy, and addresses issues pertaining to parameter tuning and loop-detector placement. The second half of the dissertation describes the construction of a detailed microsimulation model of a stretch of Interstate 210 in Pasadena, CA. The VISSIM microsimulation package was used to create this model. Descriptions of the data gathering and processing procedures, bottleneck identification, network coding, and model calibration are provided. The model is used to test the performance of candidate local traffic-responsive controllers. Questions concerning the relative merits of these controllers, parameter tuning, and loop-detector placement are addressed in the context of the large-scale microscopic model.
Traffic Surveillance By Wireless Sensor Networks
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Author : Sing Yiu Cheung
language : en
Publisher:
Release Date : 2006
Traffic Surveillance By Wireless Sensor Networks written by Sing Yiu Cheung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2005
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Dissertations, Academic categories.
Modelling And Simulation Of Large Scale Distributed Parameter Systems
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Author : Issam Sullivan Strub-Brahimi
language : en
Publisher:
Release Date : 2009
Modelling And Simulation Of Large Scale Distributed Parameter Systems written by Issam Sullivan Strub-Brahimi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Advances In Science Engineering And Technology
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Author : Tasneem Ahmed
language : en
Publisher: CRC Press
Release Date : 2025-05-23
Advances In Science Engineering And Technology written by Tasneem Ahmed and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-05-23 with Computers categories.
The objective of the conference was to provide a common platform for innovative academicians and industrial experts working in the fields of sciences, engineering, and information technology. It provided a platform for knowledge exchange and the development of new ideas on the transformative technologies of quantum computing, video analytics, Artificial Intelligence, and Machine Learning. The conference also discussed the significance of cutting-edge technologies, specifically Machine Learning, and its pivotal role in the future of science and industry.
An Introduction To Traffic Flow Theory
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Author : Lily Elefteriadou
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-19
An Introduction To Traffic Flow Theory written by Lily Elefteriadou 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 2013-11-19 with Mathematics categories.
This text provides a comprehensive and concise treatment of the topic of traffic flow theory and includes several topics relevant to today’s highway transportation system. It provides the fundamental principles of traffic flow theory as well as applications of those principles for evaluating specific types of facilities (freeways, intersections, etc.). Newer concepts of Intelligent transportation systems (ITS) and their potential impact on traffic flow are discussed. State-of-the-art in traffic flow research and microscopic traffic analysis and traffic simulation have significantly advanced and are also discussed in this text. Real world examples and useful problem sets complement each chapter. This textbook is meant for use in advanced undergraduate/graduate level courses in traffic flow theory with prerequisites including two semesters of calculus, statistics, and an introductory course in transportation. The text would also be of interest to transportation professionals as a refresher in traffic flow theory, or as a reference. Students and engineers of diverse backgrounds will find this text accessible and applicable to today’s traffic issues.
Macroscopic Modeling And Identificatio Of Freeway Traffic Flow
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Author : Laura Matiana Muñoz
language : en
Publisher:
Release Date : 2004
Macroscopic Modeling And Identificatio Of Freeway Traffic Flow written by Laura Matiana Muñoz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Preparations For Field Testing Of Combined Variable Speed Advisory Vsa And Coordinated Ramp Metering Crm For Freeway Traffic Control
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Author : Xiao-Yun Lu
language : en
Publisher:
Release Date : 2014
Preparations For Field Testing Of Combined Variable Speed Advisory Vsa And Coordinated Ramp Metering Crm For Freeway Traffic Control written by Xiao-Yun Lu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Electronic traffic controls categories.
Proceedings Of The Conference Of The Hong Kong Society For Transportation Studies
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Author : Hong Kong Society for Transportation Studies. Conference
language : en
Publisher:
Release Date : 2006
Proceedings Of The Conference Of The Hong Kong Society For Transportation Studies written by Hong Kong Society for Transportation Studies. Conference and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Transportation categories.
Green Intelligent Transportation Systems
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Author : Wuhong Wang
language : en
Publisher: Springer
Release Date : 2017-07-10
Green Intelligent Transportation Systems written by Wuhong Wang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-10 with Technology & Engineering categories.
These proceedings collect selected papers from the 7th International Conference on Green Intelligent Transportation System and Safety held in Nanjing on July 1-4, 2016. The selected works, which include state-of-the-art studies, are intended to promote the development of green mobility and intelligent transportation technology to achieve interconnectivity, resource sharing, flexibility and higher efficiency. They offer valuable insights for researchers and engineers in the fields of Transportation Technology and Traffic Engineering, Automotive and Mechanical Engineering, Industrial and System Engineering, and Electrical Engineering.