Drivers’ interaction with the Adaptive Cruise Control on Dry and Snowy Roads with Various Tire-Road Grip Potentials

Ioana Victoria Koglbauer*, Jürgen Holzinger, Arno Eichberger, Cornelia Lex

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikelBegutachtung

Abstract

This study investigates drivers’ interaction with Adaptive Cruise Control (ACC) in different road conditions and identifies areas of improvement. Ninety-six drivers drove with the ACC in a driving simulator showing either a summer scenery and a dry road with high grip potential or a winter scenery with a snowy road and reduced grip potential. The results show that on snowy roads the drivers set in average a lower ACC speed and preferred a larger ACC time gap. Drivers’ workload and effort were higher when using the ACC on snowy as compared to dry roads. Generally, the use of a shorter ACC gap resulted in lower ratings of comfort, safety, and trust and higher ratings of mental workload and effort in both dry and snowy road conditions. The drivers judged that ACC was braking too late and maintained a too short gap to the forward vehicle, especially when the ACC was set to 1 second as compared to a 1.8-second time gap. A future adaptation of ACC’s control strategy to reduced tire-road grip potential would not only improve comfort and user acceptance of the human driver but also increase the potential to react in emergency situations with braking or evasive steering.
Originalspracheenglisch
Aufsatznummer5496837
Seitenumfang10
FachzeitschriftJournal of Advanced Transportation
Jahrgang2017
DOIs
PublikationsstatusVeröffentlicht - 2017

ASJC Scopus subject areas

  • Allgemeine Psychologie
  • Allgemeiner Maschinenbau

Fields of Expertise

  • Mobility & Production

Treatment code (Nähere Zuordnung)

  • Basic - Fundamental (Grundlagenforschung)

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