The effects of explicit intention communication, conspicuous sensors, and pedestrian attitude in interactions with automated vehicles

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Abstract

In this paper, we investigate the effect of an external human- machine interface (eHMI) and a conspicuous external vehicle appearance due to visible sensors on pedestrian interactions with automated vehicles (AVs). Recent research shows that AVs may need to explicitly communicate with the environ- ment due to the absence of a driver. Furthermore, in interac- tion situations, an AV that looks different and conspicuous owing to an extensive sensor system may potentially lead to hesitation stemming from mistrust in automation. Thus, we evaluated in a virtual reality study how pedestrian attitude, the presence/absence of an eHMI, and a conspicuous sensor system affect their willingness to cross the road. Results rec- ommend the use of an eHMI. A conspicuous appearance of automated-driving capability had no effect for the sample as a whole, although it led to more efficient crossing decisions for those with a more negative attitude towards AVs. Our findings contribute towards the effective design of future AV interfaces.
Original languageEnglish
Title of host publicationCHI 2020 - Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems
Place of PublicationNew York
PublisherAssociation for Computing Machinery, Inc
Number of pages15
ISBN (Electronic)9781450367080
DOIs
Publication statusPublished - 21 Apr 2020
Event2020 CHI Conference on Human Factors in Computing Systems - Hawaiʻi Convention Center, Honolulu, United States
Duration: 25 Apr 202030 Apr 2020
https://chi2020.acm.org

Conference

Conference2020 CHI Conference on Human Factors in Computing Systems
Abbreviated titleCHI 2020
CountryUnited States
CityHonolulu
Period25/04/2030/04/20
Internet address

Keywords

  • automated driving
  • automated vehicles
  • ehmi
  • external appearance
  • pedestrians
  • vehicle-pedestrian interaction
  • visible sensors
  • vulnerable road users

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