A-DRIVE: Autonomous Deadlock Detection and Recovery at Road Intersections for Connected and Automated Vehicles
Authors: Shunsuke Aoki (Raj), Ragunathan (Raj), Rajkumar
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.
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.
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