Impact of connected and automated vehicles on capacity of roundabout using IDM car following model

Publish Year: 1399
نوع سند: مقاله کنفرانسی
زبان: English
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MMICONF03_009

تاریخ نمایه سازی: 19 شهریور 1399

Abstract:

The use of autonomous vehicles (AV) on the roads is becoming areality and these vehicles will change many aspects of transportation.soit is necessary to research the impact of this kind of vehicle on differentaspects of transportation. On the other hand, two aspects of this kind ofvehicle can pose important challenges for researchers. The first aspectis automation.so, the impact of the automation aspect of these vehiclesand different levels of automation should be investigated. Second, theaspect is the connectivity that should be taken into account.in this studywith the help of microsimulation and macroscopic fundamental diagram(MFD) and considering these two important aspects the capacity of asingle roundabout determined. We used the intelligent driver model(IDM) car-following model for specifying driver behavior .then, weused two different speed-density relationship models and traditionalmacroscopic relationships to determine the capacity of roundaboutunder different penetration rates. The results show connected andautomated vehicles (CAV) can improve the capacity of the roundabout.Also, these vehicles can improve the critical density of roundabout.

Keywords:

connected and automated vehicles , Capacity , Roundabout , IDM

Authors

Amirhosein Karbasi

Master Student, Tarbiat Modares University

Mahmoud Saffarzadeh

Full Professor, Tarbiat Modares University