期刊
SENSORS
卷 14, 期 2, 页码 3631-3651出版社
MDPI
DOI: 10.3390/s140203631
关键词
red-light running; audio warning information; driving simulator; driving behavior; structural equation modeling
资金
- National Natural Science Foundation [71171014, 71210001]
- Ph. D. Programs Foundation of Ministry of Education of China [20110009110013]
- 863 research project [2011AA110303]
- Program for New Century Excellent Talents in University [NCET-11-0570]
The collision avoidance warning system is an emerging technology designed to assist drivers in avoiding red-light running (RLR) collisions at intersections. The aim of this paper is to evaluate the effect of auditory warning information on collision avoidance behaviors in the RLR pre-crash scenarios and further to examine the casual relationships among the relevant factors. A driving-simulator-based experiment was designed and conducted with 50 participants. The data from the experiments were analyzed by approaches of ANOVA and structural equation modeling (SEM). The collisions avoidance related variables were measured in terms of brake reaction time (BRT), maximum deceleration and lane deviation in this study. It was found that the collision avoidance warning system can result in smaller collision rates compared to the without-warning condition and lead to shorter reaction times, larger maximum deceleration and less lane deviation. Furthermore, the SEM analysis illustrate that the audio warning information in fact has both direct and indirect effect on occurrence of collisions, and the indirect effect plays a more important role on collision avoidance than the direct effect. Essentially, the auditory warning information can assist drivers in detecting the RLR vehicles in a timely manner, thus providing drivers more adequate time and space to decelerate to avoid collisions with the conflicting vehicles.
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