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Träfflista för sökning "WFRF:(Karlsson MariAnne 1956) ;lar1:(vti)"

Sökning: WFRF:(Karlsson MariAnne 1956) > VTI - Statens väg- och transportforskningsinstitut

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1.
  • Bruzelius, Fredrik, 1974-, et al. (författare)
  • Realism of overtaking situations in motion based driving simulators
  • 2013
  • Ingår i: Road Safety and Simulation International Conference RSS2012, October 23-25, 2013, Rome, Italy. ; , s. (1-12)
  • Konferensbidrag (refereegranskat)abstract
    • The credibility of the research results of driving simulator studies is highly dependent on the realism that the simulator is capable of producing. A key component is therefore how realistic the driving is perceived by the drivers (test subjects). Overtaking is a frequently occurring traffic situation (as well as one of the highest risk manoeuvres). The aim of the present study was to enhance the perceived realism of overtaking situations in a motion-based driving simulator by introduce aerodynamic forces and moments. An earlier developed real time model of the aerodynamic forces and moments was been implemented and tested in a study with test drivers.With an appropriate scaling of the forces and torques it was shown that the perceived realism can be enhanced by the introduction of these effects.
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2.
  • Strand, Niklas, 1981-, et al. (författare)
  • End-users’ Acceptance and Use of Adaptive Cruise Control Systems
  • 2014
  • Ingår i: Proceedings of the 5th International Conference on Applied Human Factors and Ergonomics AHFE 2014, Kraków, Poland 19-23 July 2014. ; , s. 3680-3689
  • Konferensbidrag (refereegranskat)abstract
    • An online survey was distributed to end-users of adaptive cruise control (ACC). In total 90 drivers answered the questionnaire, which covered e.g. ACC usage and how such use affects driver behaviour. According the responses: the ACC is used primarily on roads with higher speed limits; the end-users trust the system even though it has some functional limitations; they have a very positive attitude towards the system; and positive effects on comfort and safety are observed including reduced inclination to overtake and increased compliance with speed regulations.
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3.
  • Strand, Niklas, et al. (författare)
  • Exploring end-user experiences : self-perceived notions on use of adaptive cruise control systems
  • 2011
  • Ingår i: IET Intelligent Transport Systems. - : Institution of Engineering and Technology. - 1751-956X .- 1751-9578. - 9782953171211 ; 5:2, s. 134-140
  • Tidskriftsartikel (refereegranskat)abstract
    • This study explores end-user experiences of adaptive cruise control (ACC) systems. A qualitative approach has been applied and data have been collected by means of focus group interviews. A qualitative content analysis was carried out to analyse and interpret collected data. In total the study consists of three focus group sessions with five to seven participants in each. Themes explored include interaction between user and system, functional limitations and trust, and system effects on driving behaviour. Key findings include reported driving behaviour changes as, for instance, an increasing tendency to stay in the right lane as well as users' conception of system functionality from which it can be concluded that end-users of ACC carry rough mental models of the system. A potentially hazardous situation for other road-users following the use of ACC is highlighted and discussed. In addition, some features desired by the end-users are discussed, for example, the call for conventional cruise control functionality when owing to weather conditions functional limitations are apparent.
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4.
  • Strand, Niklas, et al. (författare)
  • Semi-automated versus highly automated driving in critical situations caused by automation failures
  • 2014
  • Ingår i: Transportation Research Part F. - : Elsevier. - 1369-8478 .- 1873-5517. ; 27:B, s. 218-228
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose of this study was to examine the effects of vehicle automation and automation failures on driving performance. Previous studies have revealed problems with driving performance in situations with automation failures and attributed this to drivers being out-of-the-loop. It was therefore hypothesized that driving performance is safer with lower than with higher levels of automation. Furthermore, it was hypothesized that driving performance would be affected by the extent of the automation failure. A moving base driving simulator was used. The design contained semi-automated and highly automated driving combined with complete, severe, and moderate deceleration failures. In total the study involved 36 participants. The results indicate that driving performance degrades when the level of automation increases. Furthermore, it is indicated that car drivers are worse at handling complete than partial deceleration failures.
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  • Resultat 1-4 av 4
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konferensbidrag (2)
tidskriftsartikel (2)
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refereegranskat (4)
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Karlsson, MariAnne, ... (4)
Nilsson, Lena (2)
Strand, Niklas (2)
Nilsson, Josef, 1981 (2)
Bruzelius, Fredrik, ... (1)
Strand, Niklas, 1981 ... (1)
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Augusto, Bruno, 1986 ... (1)
Lena, Nilsson (1)
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