F2-6 先行車接近時にドライバーが感じる危険感の定量化(F-2 感性領域のデジタル化技術の援用,フォーラム)

概要

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Longitudinal vehicle control and/or warning technologies that operate in accordance with drivers' subjective perception of risk need to be developed for driver-support systems, if such systems are to be used fully to achieve more comfortable and safer driving, avoiding any potential hazards. In order to accomplish this goal, it is necessary to quantify the relation between the physical parameters defining the spatial relationship to the vehicle ahead and psychological metrics with regard to the risk perceived by the driver in car following situations. This paper presents the results of an experimental study, using a fixed-base driving simulator, on formulization of drivers' subjective perception of risk. It was found that an equation for estimating drivers' perception of risk can be formulated as the summation of the time headway inverse and the time to collision inverse and that this expression can be applied to various approaching situations.
一般社団法人日本機械学会の論文
2008-11-01