MEASUREMENT OF ROAD COVERED WITH SNOW AND ICE BY ROAD SURFACE SENSORS
A road surface monitoring system installed in the infrastructure is very critical for determining the braking distance required for maintaining vehicle interval. Research and development is already proceeding on sensors for this purpose, including laser sensors radiometer visual image cameras and optical fiber sensors. Radiometers have characteristics such as all-weather performance, day and night use and passive type, and have been previously reported to enable discrimination of dry, wet, water film, snow and ice road surface conditions by measuring the vertically and horizontally polarized components of emissivity. The authors installed a radiometer in Hokkido in Northern Japan and measured slippery road surfaces, under ice, packed snow, fresh snow and slush road conditions, to clarify expectations for discrimination of these road surface conditions using radiometers. As a result, it was confirmed that more detailed road surface conditions in the case of snow and ice are discriminated
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/oclc/8909878
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Supplemental Notes:
- Publication Date: July 2001. Remarks: Text in Japanese with summary in English
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Corporate Authors:
Nihon Denki Kabushiki Kaisha
,Japan. Kokudo Kotsusho
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Authors:
- KITANO, T
- Mishima, M
- Asao, H
- Publication Date: 2001
Language
- Japanese
Media Info
- Pagination: p. 31-34
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Serial:
- NEC giho = NEC technical journal. Vol. 54, no. 7
- Publisher: Nihon Denki Kabushiki Kaisha
- ISSN: 0285-4139
Subject/Index Terms
- TRT Terms: Automated highways; Brakes; Identification systems; Monitoring; Safety; Weather
- Uncontrolled Terms: Identification and monitoring systems
- Subject Areas: Highways; Safety and Human Factors; Vehicles and Equipment;
Filing Info
- Accession Number: 00817812
- Record Type: Publication
- Source Agency: UC Berkeley Transportation Library
- Files: PATH
- Created Date: Oct 31 2001 12:00AM