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Cooperative Automated Emergency Braking for CAVs under Time-Varying Communication Delays

Authors:

Shahriar Hasan, Svetlana Girs, Elisabeth Uhlemann

Research group:

Data Communication

Publication Type:

Conference/Workshop Paper

Venue:

2023 IEEE International Automated Vehicle Validation Conference

Publisher:

IEEE

DOI:

https://doi-org.ep.bib.mdh.se/10.1109/IAVVC57316.2023.10328108

Abstract

Connected and Automated Vehicles (CAVs) have the potential to significantly improve road safety, fuel efficiency, and traffic flow by forming platoons with short inter-vehicle gaps, enabled by vehicle-to-vehicle communications and onboard sensors. However, wireless connectivity for CAVs is subject to time-varying delays, which can significantly impact platoon safety during emergency braking. To this end, this paper evaluates the communication delays incurred by platoon vehicles during emergency braking under various data and traffic densities. Additionally, an emergency braking strategy named adaptive emergency braking is proposed and compared with five other strategies based on their ability to meet the functional requirements of collision avoidance and minimizing the stopping distance of the platoon lead vehicle, which are crucial for transitioning a platoon to a fail-safe state. Moreover, the emergency braking strategies are evaluated through rigorous simulations, considering non-functional criteria such as required inter-vehicle gaps, maximum allowable deceleration rates, and their robustness under time-varying communication delays.

Bibtex

@inproceedings{Hasan6845,
author = {Shahriar Hasan and Svetlana Girs and Elisabeth Uhlemann},
title = {Cooperative Automated Emergency Braking for CAVs under Time-Varying Communication Delays},
isbn = {979-8-3503-2253-8},
pages = {1--7},
month = {November},
year = {2023},
booktitle = {2023 IEEE International Automated Vehicle Validation Conference},
publisher = {IEEE},
url = {http://www.es.mdu.se/publications/6845-}
}