Study on a road surface sensing system for snow and ice road |
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| Institution: | 1. Nihon University Graduate School, Izumi-cho 1-2-1, Harashino-shi, Chiba 275-8575, Japan;2. Nihon University, Izumi-cho 1-2-1 Narashino-shi, Chiba 275-8575, Japan;3. Hokkaido Automotive Engineering College, Nakanoshima2jo 5-2-1 Sapporo-shi Toyohira-ku, Hokkaido 062-0922, Japan;4. Transport Research Laboratory, Nakanoshima2jo 5-2-1 Sapporo-shi Toyohira-ku, Hokkaido 062-0922, Japan;1. VNIIOkeangeologiya, Angliiskiy pr. 1, St. Petersburg 190121, Russia;2. Geological Institute, Russian Academy of Sciences, Pyzhevsky per. 7, Moscow 119017, Russia;1. Institut für Lasertechnologien in der Medizin und Meßtechnik, Helmholtzstr. 12, 89081 Ulm, Germany;2. Core Facility Konfokale und Multiphotonen Mikroskopie, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany;3. Natural Sciences Center of A.M. Prokhorov General Physics Institute, Russian Academy of Sciences, Vavilov str. 38, bld. 5, 119991 Moscow, Russia |
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| Abstract: | 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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