Validation Of Traffic Simulation Model Output For Work Zone And Mobile Source Emissions Modeling And Integration With Human In The Loop Driving Simulators

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Validation of Traffic Simulation Model Output for Work Zone and Mobile Source Emissions Modeling and Integration with Human-in-the-loop Driving Simulators

Author : Shauna L. Hallmark
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (968 download)

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Book Synopsis Validation of Traffic Simulation Model Output for Work Zone and Mobile Source Emissions Modeling and Integration with Human-in-the-loop Driving Simulators by : Shauna L. Hallmark

Download or read book Validation of Traffic Simulation Model Output for Work Zone and Mobile Source Emissions Modeling and Integration with Human-in-the-loop Driving Simulators written by Shauna L. Hallmark and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The next generation motor vehicle emission rate model used in the US, the United States Environmental Protection Agency's Motor Vehicle Emmission Simulator (MOVES), requires second-by-second vehicle data in order to fully utilize model capabilities. However, field data collection of this type of data is resource intensive and frequently not realistic for local agencies. Some microsimulation models have the capability of outputting instantaneous speed and acceleration, which can be used in MOVES. With these capabilities, microsimulation offers a valuable tool to conduct analysis requiring a large number of data. ... Two case studies were used to assess the utility of the microsimulation model, Vissim, in developing output that can be used as input to MOVES. In one scenario, drivers were selected to drive an instrumented test vehicle along a test corridor. In another scenario, five drivers drove through a roundabout in the University of Iowa national Advanced Driving Simulator (NADS). Models for each scenario were also developed in Vissim. Model output was compared to field collected speed/acceleration profile data to assess the accuracy of microsimulation models in providing realistic estimates of vehicle activity as input to MOVES. Results were summarized to demonstrate the applicability of linking microsimulated vehicle activity data with emissions models to better estimate the emission impacts of different transportation strategies" (page vii).

Traffic Simulation and Data

Author : Winnie Daamen
Publisher : CRC Press
ISBN 13 : 148222870X
Total Pages : 264 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Traffic Simulation and Data by : Winnie Daamen

Download or read book Traffic Simulation and Data written by Winnie Daamen and published by CRC Press. This book was released on 2014-09-17 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: A single source of information for researchers and professionals, Traffic Simulation and Data: Validation Methods and Applications offers a complete overview of traffic data collection, state estimation, calibration and validation for traffic modelling and simulation. It derives from the Multitude Project—a European Cost Action project that incorporates work packages defining traffic simulation practice and research; highway and network modeling; and synthesis, dissemination, and training. This book addresses the calibration and validation of traffic models, and introduces necessary frameworks and techniques. It also includes viable methods for sensitivity analyses, and incorporates relevant tools for application. The book begins with a brief summary of various data collection techniques that can be applied to collect different data types. It then showcases various data processing and enhancement techniques for improving the quality of collected data. It also introduces the techniques according to the type of estimation, for example microscopic data enhancement, traffic state estimation, feature extraction and parameter identification techniques, and origin–destination matrix estimation. The material discusses the measures of performance, data error and goodness of fit, and optimization algorithms. It also contains the sensitivity analyses of parameters in traffic models. Describes the various tasks of calibration and validation Considers the best use of available data Presents the sensitivity analysis method Discusses typical issues of data error in transportation system data and how these errors can impact simulation results Details various methodologies for data collection, sensitivity analysis, calibration, and validation Examines benefits that result from the application of these methods Traffic Simulation and Data: Validation Methods and Applications serves as a key resource for transport engineers and planners, researchers, and graduate students in transport engineering and planning.

NEXT-GENERATION TRANSPORTATION SIMULATION AND MODELING TOOLS

Author : Shan Huang
Publisher :
ISBN 13 :
Total Pages : 205 pages
Book Rating : 4.:/5 (713 download)

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Book Synopsis NEXT-GENERATION TRANSPORTATION SIMULATION AND MODELING TOOLS by : Shan Huang

Download or read book NEXT-GENERATION TRANSPORTATION SIMULATION AND MODELING TOOLS written by Shan Huang and published by . This book was released on 2011 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this doctoral study is to advance the state of the art of the simulation and modeling of transportation systems by addressing some of the limitations of state-of-the-practice models such as the inability to deal with large amounts of data in real-time, the aggregate nature of the majority of models, the lack of network realism in driving simulation and human behavior realism in traffic simulation, and finally the inability to evaluate new and emerging Intelligent Transportation Systems (ITS) applications. Within this broader research area, the work is divided into five tightly-connected research sub-topics. Subtopic 1 aims at developing and validating a novel forecasting paradigm named SPN to forecast traffic data, so as to provide an efficient and effective way for online traffic simulation and modeling. The SPN provides higher predictive accuracy and requires dramatically less processing time compared with existing approaches.^Subtopic 2 develops a large-scale agent-based simulation model and validates it. The research demonstrates the feasibility of regional agent-based simulations while depending upon data readily available. Subtopic 3 proposes a semi-heuristic algorithm for estimating dynamic travel demand for large-scale simulation models. The algorithm manages to match the simulated traffic volumes to field counts while keeping the estimated Origin-Destination (OD) matrices close to the true ones. Subtopic 4 integrates a traffic simulator with a driving simulator to allow for human-in-the-loop simulation. The integrated simulator successfully shows differences in emissions levels among drivers with different years of driving experience. Finally, Subtopic 5 designs and implements an integrated IntelliDrive simulation testbed, and uses this testbed for the simulation and evaluation of an application named intelligent intersection.^The research demonstrates the mobility enhancement and environmental benefits of the application, as well as the advantages of using the testbed to design and evaluate IntelliDrive applications. The aforementioned contributions of this dissertation advance the state of the art in transportation simulation and modeling, broaden the range of transportation issues for which those models and tools can be used to address, and create a vision for a human-oriented, integrated, and intelligent next-generation simulation and modeling system.

Integrating Planning and Operations Models to Predict Work Zone Traffic

Author : Ayman Smadi
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Integrating Planning and Operations Models to Predict Work Zone Traffic by : Ayman Smadi

Download or read book Integrating Planning and Operations Models to Predict Work Zone Traffic written by Ayman Smadi and published by . This book was released on 2008 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: The impetus of this research is to meet the growing need for accurate and practical methods to support traffic analysis in work zones. This research examines the application of two classes of traffic analysis models, macroscopic sketch analysis and microscopic traffic simulation, to work zones. The research will evaluate the application of these tools to an urban interstate work zone. Specifically, this research will examine the following: 1) how the use of traffic analysis models relates to federal requirements about considering traffic impacts of major construction projects, 2) the accuracy of model results in comparison to real-world conditions, and 3) modeling effort and data requirements of these models. The primary objectives of this research are as follows: 1) determining the feasibility of applying a traffic analysis model to a work zone environment, 2) calibrating and validating the simulation models based on data collected in the work zone, 3) using the calibrated model to apply various work zone management strategies, and 4) documenting the research findings and lessons learned from the model applications.

An Evaluation of Traffic Simulation Models for Supporting ITS Development

Author : Sharon Adams Boxill
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis An Evaluation of Traffic Simulation Models for Supporting ITS Development by : Sharon Adams Boxill

Download or read book An Evaluation of Traffic Simulation Models for Supporting ITS Development written by Sharon Adams Boxill and published by . This book was released on 2000 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tools to evaluate networks under information supply are a vital necessity in light of the systems being implemented as part of the Intelligent Transportation Systems (ITS) deployment plan. One such tool is the traffic simulation model. This report presents an evaluation of the existing traffic simulation models to identify the models that can be potentially applied in ITS equipped networks. The traffic simulation models are categorized according to type (macroscopic, microscopic or mesoscopic), as well as functionality (highway, signal, integrated). The entire evaluation is conducted through two steps: initial screening and in-depth evaluation. The initial step generates a shorter but more specific list of traffic simulation models based on some pre-determined criteria. The in-depth evaluation identifies which model on the shorter list is suitable for a specific area of ITS applications. It is concluded from this research that presently CORSIM and INTEGRATION appear to have the highest probability of success in real-world applications. It is also found that by adding more calibration and validation in the U.S., the AIMSUN 2 and PARAMICS models will be brought to the forefront in the near term for use with ITS applications.

GIS-integrated Traffic Input Models for Mobile-source Emissions Analysis

Author : Chandra R. Bhat
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis GIS-integrated Traffic Input Models for Mobile-source Emissions Analysis by : Chandra R. Bhat

Download or read book GIS-integrated Traffic Input Models for Mobile-source Emissions Analysis written by Chandra R. Bhat and published by . This book was released on 2003 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Development and Evaluation of a Calibration and Validation Procedure for Microscopic Simulation Models

Author : Brian Park
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Development and Evaluation of a Calibration and Validation Procedure for Microscopic Simulation Models by : Brian Park

Download or read book Development and Evaluation of a Calibration and Validation Procedure for Microscopic Simulation Models written by Brian Park and published by . This book was released on 2004 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microscopic traffic simulation models have been widely accepted and applied in transportation engineering and planning practice for the past decades because simulation is cost-effective, safe, and fast. To achieve high fidelity and credibility for a traffic simulation model, calibration and validation are of utmost importance. Most calibration efforts reported in the literature have focused on the informal practice with a specific simulation model, but seldom did they propose a systematic procedure or guideline for simulation model calibration and validation. The purpose of this study was to develop and evaluate a procedure for microscopic simulation model calibration and validation. Three widely used microscopic traffic simulation models, VISSIM, PARAMICS, and CORSIM, were selected for model review and practice of model calibration and validation. The validity of the proposed procedure was evaluated and demonstrated via two case studies including an actuated signalized intersection and a 5-mile freeway segment with a lane-closure work zone. The simulation results were compared against the field data to determine the performance of the calibrated models. The proposed procedure yielded acceptable results for all applications, thus confirming that it was effective for the different networks and simulation models used in the study. Although the calibrated parameters generated the performance measures that were representative of the field conditions, the simulation results of the default parameters were significantly different from the field data.

Replication of Freeway Work Zone Capacity Values in a Microscopic Simulation Model

Author : Indrajit Chatterjee
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (527 download)

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Book Synopsis Replication of Freeway Work Zone Capacity Values in a Microscopic Simulation Model by : Indrajit Chatterjee

Download or read book Replication of Freeway Work Zone Capacity Values in a Microscopic Simulation Model written by Indrajit Chatterjee and published by . This book was released on 2008 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evaluating the traffic impacts of work zones is vital for any transportation agency for planning and scheduling work activity. Traffic impacts can be accurately estimated using microscopic simulation models due to their ability to simulate individual vehicles and their interactions that can have a strong impact on various performance measures such as capacity, queue length, and travel delays. One challenge in using these simulation models is obtaining the desired work zone capacity values which tend to vary from one state to another. Thus, the default parameter values in the model which are suitable for normal traffic conditions are unsuitable for work zone conditions let alone for conditions specific to particular states. A few studies have been conducted on parameter selection to obtain the desired capacity values. However, none of these studies have provided a convenient look-up table (or a chart) for the parameter values that will replicate the field observed capacities. Without such provision it has not been possible for state agencies to utilize many of the research recommendations. This research provides the practitioner a simple method for choosing appropriate values of driving behavior parameters in the VISSIM micro-simulation model to match the desired field capacity for work zones operating in a typical early merge system.

Improving Traffic Simulation Models and Emissions Models Using On-board Vehicle Dynamics Data

Author : Eric Daniel Jackson
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Improving Traffic Simulation Models and Emissions Models Using On-board Vehicle Dynamics Data by : Eric Daniel Jackson

Download or read book Improving Traffic Simulation Models and Emissions Models Using On-board Vehicle Dynamics Data written by Eric Daniel Jackson and published by . This book was released on 2008 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluation and Implementation of Traffic Simulation Models for Work Zones

Author : John Collura
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (649 download)

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Book Synopsis Evaluation and Implementation of Traffic Simulation Models for Work Zones by : John Collura

Download or read book Evaluation and Implementation of Traffic Simulation Models for Work Zones written by John Collura and published by . This book was released on 2010 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:

GIS-integrated Traffic Input Models for Mobile-source Emissions Analysis

Author : Chandrasekhar R. Bhat
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (548 download)

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Book Synopsis GIS-integrated Traffic Input Models for Mobile-source Emissions Analysis by : Chandrasekhar R. Bhat

Download or read book GIS-integrated Traffic Input Models for Mobile-source Emissions Analysis written by Chandrasekhar R. Bhat and published by . This book was released on 2003 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Driving Simulator Use and Calibration for Work Zone Merge Sign Evaluation

Author : Linlin Zhang (M.S. in civil engineering)
Publisher :
ISBN 13 :
Total Pages : 75 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Driving Simulator Use and Calibration for Work Zone Merge Sign Evaluation by : Linlin Zhang (M.S. in civil engineering)

Download or read book Driving Simulator Use and Calibration for Work Zone Merge Sign Evaluation written by Linlin Zhang (M.S. in civil engineering) and published by . This book was released on 2018 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: Work zones on highways have the potential to increase crash risk; therefore, efficient and noticeable signs play a critical role in enhancing highway safety. Some engineers have suggested that the traditional Manual on Uniform Traffic Control Devices (MUTCD) merge sign cannot be easily recognized by the driving public due to its graphical nature. In addition, the advance warning areas in work zones exhibit a higher crash rate than the transition, activity, and termination areas, therefore it is beneficial to focus on signage that will impact the advanced warning area of the work zone. A driving simulator is a virtual reality tool that can simulate different driving scenarios and can complement traditional field work due to its feasibility, safety, and cost-effectiveness. In this thesis, a driving simulator was applied to model six scenarios, including three different types of merge signs: MUTCD (baseline), MoDOT, and Quebec. Each merge sign was tested twice in both right lane closed and left lane closed work zone situations. The lane closure scenarios were alternated out of concern that participants might become accustomed to staying in one specific lane. Participants were randomly assigned to a different scenario sequence, thus avoiding sequence bias. A post-experiment survey and a motion sickness screening questionnaire were used to assess driver impressions of the signage and comfort level with the simulator. The results of both the experiment and survey showed that for three different merge signs, participants sustained comparable speeds when passing work zones. For the MoDOT sign, participants merged earlier into the open lane than they did with the other two signs. The MoDOT sign also resulted in the smallest standard deviation of merge location among the three signs. This means that participants reacted to the MoDOT sign consistently. The work zone with the MUTCD sign resulted in the highest speed differential between the merge location and the work zone lane drop taper. Even though 29.4% participants incorrectly perceived the meaning of MUTCD signs compared with only 3.7% for the other two signs, the participants who did correctly understand the MUTCD sign rated the sign positively.

The Multi-Agent Transport Simulation MATSim

Author : Andreas Horni
Publisher : Ubiquity Press
ISBN 13 : 190918876X
Total Pages : 620 pages
Book Rating : 4.9/5 (91 download)

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Book Synopsis The Multi-Agent Transport Simulation MATSim by : Andreas Horni

Download or read book The Multi-Agent Transport Simulation MATSim written by Andreas Horni and published by Ubiquity Press. This book was released on 2016-08-10 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: The MATSim (Multi-Agent Transport Simulation) software project was started around 2006 with the goal of generating traffic and congestion patterns by following individual synthetic travelers through their daily or weekly activity programme. It has since then evolved from a collection of stand-alone C++ programs to an integrated Java-based framework which is publicly hosted, open-source available, automatically regression tested. It is currently used by about 40 groups throughout the world. This book takes stock of the current status. The first part of the book gives an introduction to the most important concepts, with the intention of enabling a potential user to set up and run basic simulations. The second part of the book describes how the basic functionality can be extended, for example by adding schedule-based public transit, electric or autonomous cars, paratransit, or within-day replanning. For each extension, the text provides pointers to the additional documentation and to the code base. It is also discussed how people with appropriate Java programming skills can write their own extensions, and plug them into the MATSim core. The project has started from the basic idea that traffic is a consequence of human behavior, and thus humans and their behavior should be the starting point of all modelling, and with the intuition that when simulations with 100 million particles are possible in computational physics, then behavior-oriented simulations with 10 million travelers should be possible in travel behavior research. The initial implementations thus combined concepts from computational physics and complex adaptive systems with concepts from travel behavior research. The third part of the book looks at theoretical concepts that are able to describe important aspects of the simulation system; for example, under certain conditions the code becomes a Monte Carlo engine sampling from a discrete choice model. Another important aspect is the interpretation of the MATSim score as utility in the microeconomic sense, opening up a connection to benefit cost analysis. Finally, the book collects use cases as they have been undertaken with MATSim. All current users of MATSim were invited to submit their work, and many followed with sometimes crisp and short and sometimes longer contributions, always with pointers to additional references. We hope that the book will become an invitation to explore, to build and to extend agent-based modeling of travel behavior from the stable and well tested core of MATSim documented here.

Emission estimation based on traffic models and measurements

Author : Nikolaos Tsanakas
Publisher : Linköping University Electronic Press
ISBN 13 : 9176850927
Total Pages : 131 pages
Book Rating : 4.1/5 (768 download)

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Book Synopsis Emission estimation based on traffic models and measurements by : Nikolaos Tsanakas

Download or read book Emission estimation based on traffic models and measurements written by Nikolaos Tsanakas and published by Linköping University Electronic Press. This book was released on 2019-04-24 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traffic congestion increases travel times, but also results in higher energy usage and vehicular emissions. To evaluate the impact of traffic emissions on environment and human health, the accurate estimation of their rates and location is required. Traffic emission models can be used for estimating emissions, providing emission factors in grams per vehicle and kilometre. Emission factors are defined for specific traffic situations, and traffic data is necessary in order to determine these traffic situations along a traffic network. The required traffic data, which consists of average speed and flow, can be obtained either from traffic models or sensor measurements. In large urban areas, the collection of cross-sectional data from stationary sensors is a costefficient method of deriving traffic data for emission modelling. However, the traditional approaches of extrapolating this data in time and space may not accurately capture the variations of the traffic variables when congestion is high, affecting the emission estimation. Static transportation planning models, commonly used for the evaluation of infrastructure investments and policy changes, constitute an alternative efficient method of estimating the traffic data. Nevertheless, their static nature may result in an inaccurate estimation of dynamic traffic variables, such as the location of congestion, having a direct impact on emission estimation. Congestion is strongly correlated with increased emission rates, and since emissions have location specific effects, the location of congestion becomes a crucial aspect. Therefore, the derivation of traffic data for emission modelling usually relies on the simplified, traditional approaches. The aim of this thesis is to identify, quantify and finally reduce the potential errors that these traditional approaches introduce in an emission estimation analysis. According to our main findings, traditional approaches may be sufficient for analysing pollutants with global effects such as CO2, or for large-scale emission modelling applications such as emission inventories. However, for more temporally and spatially sensitive applications, such as dispersion and exposure modelling, a more detailed approach is needed. In case of cross-sectional measurements, we suggest and evaluate the use of a more detailed, but computationally more expensive, data extrapolation approach. Additionally, considering the inabilities of static models, we propose and evaluate the post-processing of their results, by applying quasi-dynamic network loading.

Traffic Flow Dynamics

Author : Martin Treiber
Publisher : Springer Science & Business Media
ISBN 13 : 3642324592
Total Pages : 505 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Traffic Flow Dynamics by : Martin Treiber

Download or read book Traffic Flow Dynamics written by Martin Treiber and published by Springer Science & Business Media. This book was released on 2012-10-11 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides a comprehensive and instructive coverage of vehicular traffic flow dynamics and modeling. It makes this fascinating interdisciplinary topic, which to date was only documented in parts by specialized monographs, accessible to a broad readership. Numerous figures and problems with solutions help the reader to quickly understand and practice the presented concepts. This book is targeted at students of physics and traffic engineering and, more generally, also at students and professionals in computer science, mathematics, and interdisciplinary topics. It also offers material for project work in programming and simulation at college and university level. The main part, after presenting different categories of traffic data, is devoted to a mathematical description of the dynamics of traffic flow, covering macroscopic models which describe traffic in terms of density, as well as microscopic many-particle models in which each particle corresponds to a vehicle and its driver. Focus chapters on traffic instabilities and model calibration/validation present these topics in a novel and systematic way. Finally, the theoretical framework is shown at work in selected applications such as traffic-state and travel-time estimation, intelligent transportation systems, traffic operations management, and a detailed physics-based model for fuel consumption and emissions.

Transportation Cyber-Physical Systems

Author : Lipika Deka
Publisher : Elsevier
ISBN 13 : 0128142960
Total Pages : 350 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Transportation Cyber-Physical Systems by : Lipika Deka

Download or read book Transportation Cyber-Physical Systems written by Lipika Deka and published by Elsevier. This book was released on 2018-07-30 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transportation Cyber-Physical Systems provides current and future researchers, developers and practitioners with the latest thinking on the emerging interdisciplinary field of Transportation Cyber Physical Systems (TCPS). The book focuses on enhancing efficiency, reducing environmental stress, and meeting societal demands across the continually growing air, water and land transportation needs of both people and goods. Users will find a valuable resource that helps accelerate the research and development of transportation and mobility CPS-driven innovation for the security, reliability and stability of society at-large. The book integrates ideas from Transport and CPS experts and visionaries, consolidating the latest thinking on the topic. As cars, traffic lights and the built environment are becoming connected and augmented with embedded intelligence, it is important to understand how smart ecosystems that encompass hardware, software, and physical components can help sense the changing state of the real world. Bridges the gap between the transportation, CPS and civil engineering communities Includes numerous examples of practical applications that show how diverse technologies and topics are integrated in practice Examines timely, state-of-the-art topics, such as big data analytics, privacy, cybersecurity and smart cities Shows how TCPS can be developed and deployed, along with its associated challenges Includes pedagogical aids, such as Illustrations of application scenarios, architecture details, tables describing available methods and tools, chapter objectives, and a glossary Contains international contributions from academia, government and industry

Fundamentals of Traffic Simulation

Author : Jaume Barceló
Publisher : Springer Science & Business Media
ISBN 13 : 1441961429
Total Pages : 450 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Fundamentals of Traffic Simulation by : Jaume Barceló

Download or read book Fundamentals of Traffic Simulation written by Jaume Barceló and published by Springer Science & Business Media. This book was released on 2011-01-06 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: The increasing power of computer technologies, the evolution of software en- neering and the advent of the intelligent transport systems has prompted traf c simulation to become one of the most used approaches for traf c analysis in s- port of the design and evaluation of traf c systems. The ability of traf c simulation to emulate the time variability of traf c phenomena makes it a unique tool for capturing the complexity of traf c systems. In recent years, traf c simulation – and namely microscopic traf c simulation – has moved from the academic to the professional world. A wide variety of traf- c simulation software is currently available on the market and it is utilized by thousands of users, consultants, researchers and public agencies. Microscopic traf c simulation based on the emulation of traf c ows from the dynamics of individual vehicles is becoming one the most attractive approaches. However, traf c simulation still lacks a uni ed treatment. Dozens of papers on theory and applications are published in scienti c journals every year. A search of simulation-related papers and workshops through the proceedings of the last annual TRB meetings would support this assertion, as would a review of the minutes from speci cally dedicated meetings such as the International Symposiums on Traf c Simulation (Yokohama, 2002; Lausanne, 2006; Brisbane, 2008) or the International Workshops on Traf c Modeling and Simulation (Tucson, 2001; Barcelona, 2003; Sedona, 2005; Graz 2008). Yet, the only comprehensive treatment of the subject to be found so far is in the user’s manuals of various software products.