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Study on a road surface sensing system for snow and ice road

✍ Scribed by Takumi Ogura; Ichiro Kageyama; Katsuhisa Nasukawa; Yoshitaka Miyashita; Hiroshi Kitagawa; Yoshiaki Imada

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 304 KB
Volume: 23
Category: Article
ISSN: 0389-4304
DOI: 10.1016/s0389-4304(02)00200-x

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✦ Synopsis

This paper deals with the fundamental research related to a new sensing system for road surface as the first step to construct an identification tool for the friction coefficient of the road ahead. In this paper, the albedo value is used for the measurement. Because the previous albedo meter measured the road surface by using sunlight, it was not used at night. Therefore, we propose a vehicle-mounted road surface sensing system by using a pair of solar cells with an additional light. From the experimental results, it is shown that the sensing system can measure the difference of road conditions, not only during daytime but also at night. For high reliability of detection, an image processing system of the road surface is proposed. It is shown that the sensor fusion can recognize the difference of the road surface.

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