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Control Transitions in Level 3 Automation: Safety Implications in Mixed-Autonomy Traffic

Alms, Robert and Wagner, Peter (2023) Control Transitions in Level 3 Automation: Safety Implications in Mixed-Autonomy Traffic. Safety. Multidisciplinary Digital Publishing Institute (MDPI). doi: 10.3390/safety10010001. ISSN 2313-576X.

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Level 3 automated driving systems could introduce challenges to traffic systems as they require a specific lead time in their procedures to ensure the safe return of vehicle control to the driver. These processes, called 'transitions of control', may particularly pose complications in accelerating traffic flows when regulations mandate control transitions due to an operational speed limitation of 60 km/h as established in recent certification processes based on UNECE regulations from 2021. To investigate these concerns, we conducted a comprehensive simulation study to examine potential safety implications arising from control transitions within mixed-autonomy traffic. The simulation results indicate adverse safety impacts due to increased safety-relevant interactions between vehicles caused by transitions of control in dynamic traffic flow conditions. Our findings also reveal that those effects could become stronger once string unstable ACC controllers are deployed as well.

Item URL in elib:https://elib.dlr.de/198869/
Document Type:Article
Title:Control Transitions in Level 3 Automation: Safety Implications in Mixed-Autonomy Traffic
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Alms, RobertUNSPECIFIEDhttps://orcid.org/0000-0001-9950-3596149106952
Wagner, PeterUNSPECIFIEDhttps://orcid.org/0000-0001-9097-8026UNSPECIFIED
Date:19 December 2023
Journal or Publication Title:Safety
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:Yes
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
Keywords:automated vehicles (AV), Level 3 automation, mixed-autonomy traffic, surrogate safety measures (SSM), take-over request (ToR), transition of control (ToC)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Road Transport
DLR - Research area:Transport
DLR - Program:V ST Straßenverkehr
DLR - Research theme (Project):V - KoKoVI - Koordinierter kooperativer Verkehr mit verteilter, lernender Intelligenz
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Transportation Systems > Cooperative Systems, BA
Institute of Transportation Systems > Design and Evaluation of Mobility Solutions, BA
Deposited By: Alms, Robert
Deposited On:20 Dec 2023 14:56
Last Modified:20 Dec 2023 18:10

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