An Investigation of Autonomous Vehicle Roundabout Situation

Cao, Hang; Zöldy, Máté

doi:10.3311/pptr.13762

Cited by 19 publications

(19 citation statements)

References 10 publications

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“…Cao and Zöldy, in their paper, evaluated the impact of connected and autonomous vehicle (CAV) behavior in real vehicles on vehicle fuel consumption and emission reductions [14]. They provided a preliminary theoretical summary to assess the driving conditions of autonomous vehicles in a roundabout, which attempts to explore the impact of driving behavior patterns on fuel consumption and emissions, including other key factors of autonomous vehicles to reduce fuel consumption and emissions.…”

Section: Studies On Avs At Roundaboutsmentioning

confidence: 99%

Impact of Autonomous Vehicles on Roundabout Capacity

et al. 2022

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Studying the impact of AVs on our road infrastructure offers a lot of potential in the transportation domain; one of these issues is how capacity will be affected. This paper presents a contribution to this research area by investigating the impact of AVs on the capacity of single-lane roundabouts using a microsimulation model. For the development of the model, a roundabout situated in Győr (Hungary) was selected and field data on the roundabout geometric characteristics as well as traffic volumes were used. Simulations using Vissim were run for various scenarios based on varying input traffic volumes and market penetration rates of AVs to assess queue lengths. The highway capacity manual (HCM) roundabout model was used to estimate the capacity of the existing roundabout. Values of follow-up times and critical gaps were set to decreasing as the penetration rate of AVs increases. The results demonstrated that 20% and 40% AVs in the flow would increase leg capacities by about 10% and 20%, respectively. Furthermore, a reduction in excessive queue lengths was estimated and capacities and queue lengths were calculated by legs. It was found that these are highly influenced by the distribution of flows among legs, and the share of flows in various directions.

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Section: Studies On Avs At Roundaboutsmentioning

confidence: 99%

Impact of Autonomous Vehicles on Roundabout Capacity

et al. 2022

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“…It has four legs and each adjacent leg angle is assumed as 90 [°]. The reviewed initial scenario is set to be an investigation of an urban condition with the two considered autonomous vehicles (Cao and Zöldy, 2019).…”

Section: Scenario Conditionsmentioning

confidence: 99%

Simulation and Validation with Radio-Controlled (RC) Autonomous Vehicles in Roundabout Situation

Ferencz

Zöldy

2022

Period. Polytech. Transp. Eng.

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In the present research paper, the authors provide an extensive overview about a so far uninvestigated approach regarding the research and development (R&D) of Autonomous Vehicle Technologies, an exhaustive investigation concerning the simulation and validation of roundabout situation with radio-controlled (RC) autonomous vehicles, as well as the examination of RC vehicles' applicability in the testing processes of Connected Autonomous Vehicle (CAV) technologies. Through this research project, the authors are offering a thorough analysis concerning the most current Autonomous Driving Systems from the point of view of their operation in roundabout related environments, as well as have developed two small-scaled RC autonomous vehicle models, which are capable of being used in the testing and validation processes concerning research studies related to the field of autonomous vehicles. This paper represents the first of a two-part in-depth examination of the aforementioned subject matter, organized in six sections, each contributing significantly to the realization of the final structure of a unique and comprehensive project.

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“…The disadvantages of AVs also need to be pointed out. The cost of the vehicle (AV) will increase significantly, drivers will lose their jobs and become unemployed, and the responsibility of vehicle manufacturers will increase (Cao and Zöldy, 2020;Petrović et al, 2020;Sarkar and Mohan, 2019;Tettamanti et al, 2016;Wang et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Road Safety Analysis of Autonomous Vehicles

Szűcs

Hézer²

2022

Period. Polytech. Transp. Eng.

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For the widespread use of Autonomous Vehicles (AVs), a huge number of challenges must be solved by vehicle manufacturers, in contrast they do have significant potential to increase road safety in both passenger and freight transport. In addition to reducing road traffic accidents and traffic jams, AVs also offer a major opportunity to reduce pollutant emissions and CO2 emissions from environmental point of view. In order to implement accident-free traffic, also called Vision Zero, it is essential to examine the safety and reliability of AVs. This article analyzes road traffic accident data and the potential safety benefits of AVs. Furthermore, the paper also sets the safety of the conventional vehicles against AVs and examines the type, location, causes, and dynamics of the accidents. The article also provides an overview over the current development trends and challenges, such as the risk of cyber-attacks, the necessary improvements in sensing technologies, and the not insignificant moral issue of AVs.

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An Investigation of Autonomous Vehicle Roundabout Situation

Cited by 19 publications

References 10 publications

Impact of Autonomous Vehicles on Roundabout Capacity

Impact of Autonomous Vehicles on Roundabout Capacity

Simulation and Validation with Radio-Controlled (RC) Autonomous Vehicles in Roundabout Situation

Road Safety Analysis of Autonomous Vehicles

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