A-DRIVE: Autonomous Deadlock Detection and Recovery at Road Intersections for Connected and Automated Vehicles

Authors: Shunsuke Aoki (Raj), Ragunathan (Raj), Rajkumar

License: CC BY 4.0

Results of the summarizing process for the arXiv paper: 2204.04910v1

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The paper titled "A-DRIVE: Autonomous Deadlock Detection and Recovery at Road Intersections for Connected and Automated Vehicles" addresses the issue of deadlocks that can occur when multiple connected and automated vehicles (CAVs) block each other at road intersections, single-track lanes, and construction zones. To tackle this problem, the authors propose A-DRIVE, an Autonomous Deadlock Detection and Recovery Protocol. A-DRIVE is a decentralized and time-sensitive technique that aims to improve traffic throughput and shorten worst-case recovery time. It consists of two components: V2V communication-based A-DRIVE and Local perception-based A-DRIVE. V2V communication-based A-DRIVE enables deadlock recovery by facilitating communication between CAVs to coordinate their movements and avoid blocking each other. On the other hand, Local perception-based A-DRIVE relies on local perception capabilities to detect deadlocks and recover from them. The authors conducted simulations to evaluate the performance of A-DRIVE compared to a baseline protocol which showed improved traffic throughput while reducing recovery time. The paper also provides an analysis of different deadlock situations at stationary and dynamic intersections as well as a classification of vehicle deadlocks. Additionally, it discusses assumptions made in the study regarding traffic environments. In conclusion, the proposed A-DRIVE protocol offers a promising solution for detecting and recovering from deadlocks in connected and automated vehicle systems by improving traffic throughput while reducing recovery time; thus enhancing the efficiency and safety of road intersections, single track lanes, and construction zones.
AI-generated keywords: A-DRIVE Autonomous Deadlock Detection Connected and Automated Vehicles V2V Communication Local Perception

AI-generated Key Points

  • The paper addresses the issue of deadlocks in connected and automated vehicles (CAVs) at road intersections, single-track lanes, and construction zones.
  • The authors propose A-DRIVE, an Autonomous Deadlock Detection and Recovery Protocol.
  • A-DRIVE is a decentralized and time-sensitive technique that aims to improve traffic throughput and shorten worst-case recovery time.
  • A-DRIVE consists of two components: V2V communication-based A-DRIVE and Local perception-based A-DRIVE.
  • V2V communication-based A-DRIVE facilitates communication between CAVs to coordinate movements and avoid blocking each other.
  • Local perception-based A-DRIVE relies on local perception capabilities to detect deadlocks and recover from them.
  • Simulations showed improved traffic throughput and reduced recovery time compared to a baseline protocol.
  • The paper provides an analysis of different deadlock situations at stationary and dynamic intersections as well as a classification of vehicle deadlocks.
  • Assumptions regarding traffic environments are discussed in the study.
  • The proposed A-DRIVE protocol enhances efficiency and safety at road intersections, single track lanes, and construction zones.
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Abstract: Connected and Automated Vehicles (CAVs) are highly expected to improve traffic throughput and safety at road intersections, single-track lanes, and construction zones. However, multiple CAVs can block each other and create a mutual deadlock around these road segments (i) when vehicle systems have a failure, such as a communication failure, control failure, or localization failure and/or (ii) when vehicles use a long shared road segment. In this paper, we present an Autonomous Deadlock Detection and Recovery Protocol at Intersections for Automated Vehicles named A-DRIVE that is a decentralized and time-sensitive technique to improve traffic throughput and shorten worst-case recovery time. To enable the deadlock recovery with automated vehicles and with human-driven vehicles, A-DRIVE includes two components: V2V communication-based A-DRIVE and Local perception-based A-DRIVE. V2V communication-based A-DRIVE is designed for homogeneous traffic environments in which all the vehicles are connected and automated. Local perception-based A-DRIVE is for mixed traffic, where CAVs, non-connected automated vehicles, and human-driven vehicles co-exist and cooperate with one another. Since these two components are not exclusive, CAVs inclusively and seamlessly use them in practice. Finally, our simulation results show that A-DRIVE improves traffic throughput compared to a baseline protocol.

Submitted to arXiv on 11 Apr. 2022

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