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Safety Analysis of Cooperative Adaptive Cruise Control in Vehicle Cut-in Situations
Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Centre for Research on Embedded Systems (CERES). The Swedish National Road and Transport Research Institute (VTI), Linköping, Sweden.
Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), CAISR - Center for Applied Intelligent Systems Research. RISE Viktoria, Göteborg, Sweden.ORCID iD: 0000-0002-1043-8773
The Swedish National Road and Transport Research Institute (VTI), Linköping, Sweden.
Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Centre for Research on Embedded Systems (CERES).
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2017 (English)In: Proceedings of 2017 4th International Symposium on Future Active Safety Technology towards Zero-Traffic-Accidents (FAST-zero), Society of Automotive Engineers of Japan , 2017, 20174621Conference paper, Published paper (Refereed)
Abstract [en]

Cooperative adaptive cruise control (CACC) is a cooperative intelligent transport systems (C-ITS) function, which especially when used in platooning applications, possess many expected benefits including efficient road space utilization and reduced fuel consumption. Cut-in manoeuvres in platoons can potentially reduce those benefits, and are not desired from a safety point of view. Unfortunately, in realistic traffic scenarios, cut-in manoeuvres can be expected, especially from non-connected vehicles. In this paper two different controllers for platooning are explored, aiming at maintaining the safety of the platoon while a vehicle is cutting in from the adjacent lane. A realistic scenario, where a human driver performs the cut-in manoeuvre is used to demonstrate the effectiveness of the controllers. Safety analysis of CACC controllers using time to collision (TTC) under such situation is presented. The analysis using TTC indicate that, although potential risks are always high in CACC applications such as platooning due to the small inter-vehicular distances, dangerous TTC (TTC < 6 seconds) is not frequent. Future research directions are also discussed along with the results.

Place, publisher, year, edition, pages
Society of Automotive Engineers of Japan , 2017. 20174621
Keyword [en]
cooperative adaptive cruise control, modelling and simulations
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:hh:diva-35681OAI: oai:DiVA.org:hh-35681DiVA: diva2:1161852
Conference
4th International Symposium on Future Active Safety Technology towards Zero-Traffic-Accidents (FAST-Zero’17), Nara, Japan, 18-22 September, 2017
Funder
Knowledge Foundation
Available from: 2017-12-01 Created: 2017-12-01 Last updated: 2017-12-04Bibliographically approved

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Aramrattana, MaytheewatEnglund, CristoferLarsson, Tony

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CiteExportLink to record
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