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Driver behaviour in unexpected critical events and in repeated exposures – a comparison

Ola Benderius (Institutionen för tillämpad mekanik, Fordonsteknik och autonoma system ; SAFER - Fordons- och Trafiksäkerhetscentrum ) ; Gustav Markkula (Institutionen för tillämpad mekanik, Fordonsteknik och autonoma system) ; Krister Wolff (Institutionen för tillämpad mekanik, Fordonsteknik och autonoma system) ; Mattias Wahde (Institutionen för tillämpad mekanik, Fordonsteknik och autonoma system)
European Transport Research Review (1867-0717). Vol. 6 (2013), 1, p. 51-60.
[Artikel, refereegranskad vetenskaplig]

Purpose This paper aims to determine how truck driver steering behaviour seen in repeated exposures to acritical event correlates to the behaviour resulting from an unexpected exposure to the same event. Methods Test subjects were exposed to an unexpected critical event in a high-fidelity driving simulator. Next, a slightly modified version of the scenario was repeated several times for each subject. The driver behaviour was then analysed using standard statistical tests. Results It was found that, in general, drivers keep most of their steering behaviour characteristics between test settings (unexpected and repeated). This is particularly interesting sincea similar kind of behaviour preservation is generally not found in the case of braking behaviour. In fact, onlyone significant difference was found between the two test settings, namely regarding time-to-collision at steering initiation. Conclusions In experiments involving both an unexpected event and several repeated events one can,at least in some cases, design the repeated event such that behavioural data collected from that setting can beused along with data from the unexpected setting. Using this procedure, one can significantly increase the amount of collected data, something that can strongly benefit, for example, driver modelling.

Nyckelord: Driver behaviour, Repeated exposures, Evasive steering, Driving simulator, Driver modelling



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Denna post skapades 2013-12-19. Senast ändrad 2015-12-11.
CPL Pubid: 190115

 

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