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Vehicle Classification Sampling Methodology Evaluation

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Vehicle Classification Sampling Methodology Evaluation

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Author : Wisconsin. Department of Transportation. Division of Planning & Budget
language : en
Publisher:
Release Date : 1978

Vehicle Classification Sampling Methodology Evaluation written by Wisconsin. Department of Transportation. Division of Planning & Budget and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Traffic surveys categories.

Evaluation Of Methodology For Determining Truck Vehicle Miles Traveled In Illinois

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Author : R. F. Benekohal
language : en
Publisher:
Release Date : 2002

Evaluation Of Methodology For Determining Truck Vehicle Miles Traveled In Illinois written by R. F. Benekohal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Traffic estimation categories.

Nationwide surveys of departments of transportation, metropolitan planning organizations, and classification vendors/producers were conducted to determine the state of practice on equipment and methodologies used to determine truck vehicle miles traveled (VMT). The current Illinois Department of Transportation (IDOT) methodology was evaluated and it was found that it overestimated truck VMT for multi-unit trucks on all eight functional classes except on the minor urban arterials. The average overestimation was 11.5% and it varied from -10% to +44%. The current method overestimated truck VMT for single-unit trucks in five and underestimated in three functional classes. The under/over estimation ranged from -6% to +35%, but the average value was close to zero. To calculate truck VMT more accurately, this study proposed two different methods based on average truck percentage (ATP) and average section length (ASL). In the ATP method, truck VMT is calculated by multiplying the ATP for a group of roadway sections by the total VMT of that group. The ATP method should be used when the ATP and the total VMT by volume groups are available. In the ASL method, the total truck volume for the sampled sections is multiplied by the ASL. The ASL method should be used when the information required for ATP is not available or not reliable. Sample size influences the accuracy of truck VMT estimation and the decision on sample size must consider the error level that is acceptable. This study looked at the likely error for different sample sizes and recommended using 8% to 16% of the number of roadway sections. The sections should be distributed among the volume groups. Recently, IDOT collects vehicle classification data for three categories at about 10,000 sections, biennially. It is recommended to evaluate the truck VMT calculation using recent data.

Adas And Automated Driving

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Author : Plato Pathrose
language : en
Publisher: SAE International
Release Date : 2022-06-09

Adas And Automated Driving written by Plato Pathrose and has been published by SAE International this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-09 with Transportation categories.

The day will soon come when you will be able to verbally communicate with a vehicle and instruct it to drive to a location. The car will navigate through street traffic and take you to your destination without additional instruction or effort on your part. Today, this scenario is still in the future, but the automotive industry is racing to toward the finish line to have automated driving vehicles deployed on our roads. ADAS and Automated Driving: A Practical Approach to Verification and Validation focuses on how automated driving systems (ADS) can be developed from concept to a product on the market for widescale public use. It covers practically viable approaches, methods, and techniques with examples from multiple production programs across different organizations. The author provides an overview of the various Advanced Driver Assistance Systems (ADAS) and ADS currently being developed and installed in vehicles. The technology needed for large-scale production and public use of fully autonomous vehicles is still under development, and the creation of such technology is a highly innovative area of the automotive industry. This text is a comprehensive reference for anyone interested in a career focused on the verification and validation of ADAS and ADS. The examples included in the volume provide the reader foundational knowledge and follow best and proven practices from the industry. Using the information in ADAS and Automated Driving, you can kick start your career in the field of ADAS and ADS.

Selected Library Acquisitions

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Author : United States. Department of Transportation
language : en
Publisher:
Release Date :

Selected Library Acquisitions written by United States. Department of Transportation and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.

Advances In Dynamics Of Vehicles On Roads And Tracks Iii

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Author : Wei Huang
language : en
Publisher: Springer Nature
Release Date : 2024-10-12

Advances In Dynamics Of Vehicles On Roads And Tracks Iii written by Wei Huang and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-10-12 with Technology & Engineering categories.

This book offers a timely snapshot of research and development in road vehicle dynamics. Gathering a set of peer-reviewed contributions to the 28th Symposium of the International Association of Vehicle System Dynamics (IAVSD), which was held on August 21–25, 2023 in Ottawa, Canada, this second volume of the proceedings covers a broad range of topics related to on- and off-road vehicles. Topics covered include modelling and simulation, design, control, performance monitoring, and autonomous driving. The papers in this volume also discuss strategies to improve safety, performance, and ride comfort, among others. Overall, this book provides academics and professionals with a timely reference on state-of-the-art theories and methods that can be used to understand, analyze, and improve on- and off-road vehicle safety and performance in a wide range of operating conditions.

Proceedings Of The 2021 Joint Workshop Of Fraunhofer Iosb And Institute For Anthropomatics Vision And Fusion Laboratory

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Author : Beyerer, Jürgen
language : en
Publisher: KIT Scientific Publishing
Release Date : 2022-07-05

Proceedings Of The 2021 Joint Workshop Of Fraunhofer Iosb And Institute For Anthropomatics Vision And Fusion Laboratory written by Beyerer, Jürgen and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-05 with Computers categories.

2021, the annual joint workshop of the Fraunhofer IOSB and KIT IES was hosted at the IOSB in Karlsruhe. For a week from the 2nd to the 6th July the doctoral students extensive reports on the status of their research. The results and ideas presented at the workshop are collected in this book in the form of detailed technical reports.