The exact determination of subjective risk and comfort thresholds in car following

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The exact determination of subjective risk and comfort thresholds in car following. / Siebert, Felix; Oehl, Michael; Bersch, Florian et al.
in: Transportation Research Part F: Traffic Psychology and Behaviour, Jahrgang 46, Nr. A, 01.04.2017, S. 1-13.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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@article{f7808878a51d42c6b0c835be6b74b3b6,
title = "The exact determination of subjective risk and comfort thresholds in car following",
abstract = "In this study the location of vehicle to vehicle distance thresholds for self-reported subjective risk and comfort was researched. Participants were presented with ascending and descending time headway sequences in a driving simulator. This so called method of limits of ascending and descending stimuli (Gouy, Diels, Reed, Stevens, & Burnett, 2012) was refined to efficiently determine individual thresholds for stable time headways with a granularity of 0.1 s. Time headway thresholds were researched for 50, 100, and 150 km/h in a city, rural, and highway setting. Furthermore, thresholds for self-driving (level 0 automation: NHTSA, 2013) were compared with thresholds for the experience of subjective risk and comfort in assisted driving, similar to adaptive cruise control (level 1 automation). Results show that preferred individual time headways vary between subjects. Within subjects however, time headway thresholds do not significantly differ for different speeds. Furthermore we found that there was no significant difference between time headways of self-driving and distance-assisted driving. The relevance of these findings for the development of adaptive cruise control systems, autonomous driving and driver behavior modelling is discussed.",
keywords = "Business psychology, Time Headway, Method of limits, Driver behavior modeling, Risk, Comfort",
author = "Felix Siebert and Michael Oehl and Florian Bersch and Hans-R{\"u}diger Pfister",
year = "2017",
month = apr,
day = "1",
doi = "10.1016/j.trf.2017.01.001",
language = "English",
volume = "46",
pages = "1--13",
journal = "Transportation Research Part F: Traffic Psychology and Behaviour",
issn = "1369-8478",
publisher = "Pergamon Press",
number = "A",

}

RIS

TY - JOUR

T1 - The exact determination of subjective risk and comfort thresholds in car following

AU - Siebert, Felix

AU - Oehl, Michael

AU - Bersch, Florian

AU - Pfister, Hans-Rüdiger

PY - 2017/4/1

Y1 - 2017/4/1

N2 - In this study the location of vehicle to vehicle distance thresholds for self-reported subjective risk and comfort was researched. Participants were presented with ascending and descending time headway sequences in a driving simulator. This so called method of limits of ascending and descending stimuli (Gouy, Diels, Reed, Stevens, & Burnett, 2012) was refined to efficiently determine individual thresholds for stable time headways with a granularity of 0.1 s. Time headway thresholds were researched for 50, 100, and 150 km/h in a city, rural, and highway setting. Furthermore, thresholds for self-driving (level 0 automation: NHTSA, 2013) were compared with thresholds for the experience of subjective risk and comfort in assisted driving, similar to adaptive cruise control (level 1 automation). Results show that preferred individual time headways vary between subjects. Within subjects however, time headway thresholds do not significantly differ for different speeds. Furthermore we found that there was no significant difference between time headways of self-driving and distance-assisted driving. The relevance of these findings for the development of adaptive cruise control systems, autonomous driving and driver behavior modelling is discussed.

AB - In this study the location of vehicle to vehicle distance thresholds for self-reported subjective risk and comfort was researched. Participants were presented with ascending and descending time headway sequences in a driving simulator. This so called method of limits of ascending and descending stimuli (Gouy, Diels, Reed, Stevens, & Burnett, 2012) was refined to efficiently determine individual thresholds for stable time headways with a granularity of 0.1 s. Time headway thresholds were researched for 50, 100, and 150 km/h in a city, rural, and highway setting. Furthermore, thresholds for self-driving (level 0 automation: NHTSA, 2013) were compared with thresholds for the experience of subjective risk and comfort in assisted driving, similar to adaptive cruise control (level 1 automation). Results show that preferred individual time headways vary between subjects. Within subjects however, time headway thresholds do not significantly differ for different speeds. Furthermore we found that there was no significant difference between time headways of self-driving and distance-assisted driving. The relevance of these findings for the development of adaptive cruise control systems, autonomous driving and driver behavior modelling is discussed.

KW - Business psychology

KW - Time Headway

KW - Method of limits

KW - Driver behavior modeling

KW - Risk

KW - Comfort

U2 - 10.1016/j.trf.2017.01.001

DO - 10.1016/j.trf.2017.01.001

M3 - Journal articles

VL - 46

SP - 1

EP - 13

JO - Transportation Research Part F: Traffic Psychology and Behaviour

JF - Transportation Research Part F: Traffic Psychology and Behaviour

SN - 1369-8478

IS - A

ER -

DOI