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Driver Acceptance of Alerts in the Pre-crash Phase of Intersection Incidents
Linköping University, Department of Computer and Information Science. Linköping University, The Institute of Technology.
Linköping University, Department of Computer and Information Science. Linköping University, The Institute of Technology.
SAAB AB, Trollhätten, Sweden.
2009 (English)In: Proceedings of 16th ITS World Congress, 2009Conference paper, Published paper (Other academic)
Abstract [en]

The purpose of this paper is to document the utility of a novel empirical approach to quantifying the relative level with which drivers are likely to welcome an alert from an active safety system. We discuss an experiment that applies this approach and show how the level of acceptance varies across traffic situations and driver point of view. The results reveal that both point-of-view and encroachment direction should be considered when designing active safety systems that would alert drivers to impending encroachment incidents.

Place, publisher, year, edition, pages
2009.
Keyword [en]
Driver acceptance, active safety systems, encroachment
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-68106OAI: oai:DiVA.org:liu-68106DiVA: diva2:416295
Conference
The 16th ITS World Congress, September 21 – 25, Stockholm, Sweden
Available from: 2011-05-11 Created: 2011-05-11 Last updated: 2011-05-11Bibliographically approved
In thesis
1. Using False Alarms when Developing Automotive Active Safety Systems
Open this publication in new window or tab >>Using False Alarms when Developing Automotive Active Safety Systems
2011 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis develops and tests an empirical method to quantifying drivers’ level of acceptance for alerts issued by automotive active safety systems. The method uses drivers’ subjective level of acceptance for alerts that are literally false alarms as a measure to guide the development of alerting criteria that can be used by active safety systems. Design for driver acceptance aims at developing systems that overcome drivers’ dislike for false alarms by issuing alerts only when drivers finds them reasonable and therefore are likely to accept them. The method attempts to bridge the gap between field experiments with a high level of ecological validity and lab based experiments with a high level of experimental control. By presenting subjects with video recordings of field data (e.g., traffic incidents and other situations of interest), the method retains high levels of both experimental control and ecological validity.

This thesis first develops the theoretical arguments for the view that false alarms are not only unavoidable, but also that some false alarms are actually useful and, hence, desirable as they provide useful information that can be used (by the proposed method) to assess driver acceptance of active safety systems. The second part of this thesis consists of a  series of empirical studies that demonstrates the application of the assessment method. The three empirical studies showed that drivers’ subjective level of acceptance for alerts that are literally false alarms are a useful measure that can guide system designers in defining activation criteria for active safety systems. The method used to collect the driver’s subjective acceptance levels has also been shown to produce reliable and reproducible data that align with the view of the drivers who experienced the situations in the field. By eliciting responses from a large number of observers, we leverage the high cost of field data and generate sample sizes that are amenable to statistical tests of significance.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2011. 58 p.
Series
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 1374
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-68109 (URN)978-91-7393-153-3 (ISBN)
Public defence
2011-05-26, Visionen, hus B,, Campus Valla, Linköpings universitet, Linköping, 13:15 (English)
Opponent
Supervisors
Available from: 2011-05-11 Created: 2011-05-11 Last updated: 2011-05-11Bibliographically approved

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Smith, KipKällhammer, Jan-Erik

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
More styles
Language
  • de-DE
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  • en-US
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  • Other locale
More languages
Output format
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