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The Detection Distance of Colored Target using Various Automotive Headlamps

Authors
김정룡이호상민승남이민호
Issue Date
Jun-2012
Publisher
대한인간공학회
Keywords
Halogen; HID(High Intensity Discharge); LED; Headlamps; Detection distance; Luminance measurement; Target; Color temperature
Citation
대한인간공학회지, v.31, no.3, pp.421 - 426
Indexed
KCI
Journal Title
대한인간공학회지
Volume
31
Number
3
Start Page
421
End Page
426
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/35061
DOI
10.5143/JESK.2012.31.3.421
ISSN
1229-1684
Abstract
Objective: As headlamp technology advances, newly developed various headlamps were introduced in the market. The objective of this study is to quantitatively analyze the detection distance of the recently developed LED headlamps and existing headlamps, complying with specific technical standard. Background: The detection distance of headlamps is very important to prevent automobile accident at night time. The studies of detection distance of LED, Halogen and HID headlamp have been conducted, but no study has shown the detection distance of pedestrian target with various colors (Black, White, Blue). Method: The experiment of detection distance was conducted with 30 people, which divide into 2groups as 15 men and 15 women. Automatic transferable target on the rail was manufactured in order to reduce the error of study's result, and ANOVA also conducted to analyze the main effect with sign color, sex and headlamp classified by detection distance. In addition, the luminance by average detection distance was measured as well. Results: The detection distance of headlamps was HID > LED > Halogen. The luminance measure of LED headlamp was lower than HID and Halogen headlamps. Conclusion: The headlamp performs a very significant role for safety at night time but it needs to be improved through assessment of visual characteristics. Also, it needs to be suggested the need of test method for dynamic detection distance concerning technical development is suggested.
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