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Towards emergency braking as a fail-safe state in platooning: A simulative approach
Mälardalens högskola.
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.ORCID-id: 0000-0001-9589-6986
Mälardalens högskola, Akademin för innovation, design och teknik, Inbyggda system.ORCID-id: 0000-0001-6497-4099
2019 (engelsk)Inngår i: IEEE Vehicular Technology Conference, Institute of Electrical and Electronics Engineers Inc. , 2019Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Platooning is anticipated to facilitate automated driving even with semi-automated vehicles, by forming road trains using breadcrumb tracing and Cooperative Adaptive Cruise Control (CACC). With CACC, the vehicles coordinate and adapt their speed based on wireless communications. To keep the platoon fuel-efficient, the inter-vehicle distances need to be quite short, which requires automated emergency braking capabilities. In this paper, we propose synchronized braking, which can be used together with existing CACC controllers. In synchronized braking, the leading vehicle in the platoon does not brake immediately, but instead communicates its intentions and then, slightly later, the whole platoon brakes simultaneously. We show that synchronized braking can avoid rear-end collisions even at a very high deceleration rate and with short inter- vehicle distances. Also, the extra distance travelled during the delay before braking can be compensated by enabling a higher deceleration, through coordinated synchronized braking.

sted, utgiver, år, opplag, sider
Institute of Electrical and Electronics Engineers Inc. , 2019.
Emneord [en]
Adaptive cruise control, Automation, Brakes, Synchronization, Vehicles, Automated driving, Automated vehicles, Cooperative adaptive cruise control, Deceleration rate, Leading vehicle, Rear-end collisions, Road trains, Wireless communications, Braking
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Identifikatorer
URN: urn:nbn:se:mdh:diva-46215DOI: 10.1109/VTCFall.2019.8891254Scopus ID: 2-s2.0-85075231034ISBN: 9781728112206 (tryckt)OAI: oai:DiVA.org:mdh-46215DiVA, id: diva2:1374629
Konferanse
90th IEEE Vehicular Technology Conference, VTC 2019 Fall, 22 September 2019 through 25 September 2019
Tilgjengelig fra: 2019-12-02 Laget: 2019-12-02 Sist oppdatert: 2019-12-02bibliografisk kontrollert

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Balador, AliGirs, SvetlanaUhlemann, Elisabeth

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