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International Journal of Automotive Technology > Volume 16(6); 2015 > Article
International Journal of Automotive Technology 2015;16(6): 1051-1055.
doi: https://doi.org/10.1007/s12239-015-0107-1
DEVELOPMENT OF A FORWARD VISIBILITY ASSESSMENT TOOL BASED ON VISIBILITY ANGLE
S. Y. AHN1, Y. W. JEON2, J. M. YUN1, P. KANG1, J. H. KO1, P. PARK1
1Ajou Unversity
2Hyundai Motor Group Corporate
ABSTRACT
Visibility is one of the most important design elements in vehicle design because drivers perceive most drivingrelated information through vision. In this study, we redefine the area of vehicle forward visibility based on the driver visibility angle according to information susceptibility. In addition, we present a forward visibility assessment tool that employs the driver gaze ratio obtained from the tracking driver gaze and weighted value numbers. Experimental vehicles were selected from a group of domestic and foreign vehicles; those with similar characteristics were grouped together. Twenty-five adult subjects participated in this study. The vehicle forward visibility was assessed using the sensibility assessment method. It was then compared with results of the visibility assessment tool. The area of the forward visibility could be defined and classified into effective, optimal, inducible, and auxiliary visibility areas. Accordingly, the forward visibility assessment tool was developed. The results of this study demonstrate the high correlation and reliability between the results of the forward visibility assessment tool and subjective sensibility assessment. The proposed method of evaluating vehicle forward visibility is suggested for application to the vehicle design process.
Key Words: Visibility, Visibility angle, Forward visibility assessment tool
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