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Winter road surface management technology using magnetic sensors Oshima, Junichi ; Shimomura, Chuichi

By: Contributor(s): Language: English Language: French Series: ; topic V-187Publication details: XIth international winter road congress 2002, Sapporo [Japan] / XIe congres international de la viabilite hivernale 2002, Sapporo [Japon]. Paper, 2002Description: 12 sSubject(s): Bibl.nr: VTI 2002.0071Location: Abstract: Information technology that has advanced with startling speed in the past few years is technology with the hidden potential for broad application to the field of winter road management, and expectations of its use have influenced research in many areas. These circumstances have resulted in many research studies and development projects intended to provide both new hardware and software that can boost the efficiency of winter road surface management work. But on the other hand, it is now necessary to develop a new winter road surface maintenance system to meet the increasingly advanced public expectations of snow removal and to overcome chronic problems such as a shortage of workers and the aging of the available work force. As one way to resolve these problems, we propose a winter road surface management system using magnetic sensors as a highly practical technology that will permit more stable and reliable performance of effective and efficient tasks including snow removal and icing prevention. Where this system is installed, magnetic sensors will detect the magnetic fields generated by an electric current passing through electric wires buried under road surfaces (below called signal wires) and the information obtained this way will be used to guide and support winter road management work. Specifically, it will be used for the following two purposes: (1) Assisting road users (road management staff and workers plus ordinary users; drivers pedestrians, etc.) driving along the signal wires (below, driving assistance); and (2) Providing road users with route location information by transmitting various kinds of data (multiple magnetic fields) in the signal wires (below, route information assistance). Driving assistance technology for Use i) is an existing technology now used for truck guidance inside factory grounds. This technology can be used for high precision driving assistance for snow removal and anti-icing spreading personnel during accumulated snow and blowing snow conditions. And route information assistance technology for Use ii) can be used for route information assistance as a line: primarily for the provision of information about anti-icing chemical spreading sections and spreading quantities and snow blowing direction information for rotary snow removal vehicles. Studies have been carried out to develop methods of applying this system to winter road surface management that requires highly precise information by providing two kinds of assistance: driving assistance and route information assistance. We have carried out the following basic study of magnetic sensors in order to contribute to the development of a working system that can provide the above two uses. Based on the above, we have confirmed that this technology is a system that can be used to manage winter road surfaces. This paper introduces other cases of the application of this system.
Item type: Reports, conferences, monographs
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Information technology that has advanced with startling speed in the past few years is technology with the hidden potential for broad application to the field of winter road management, and expectations of its use have influenced research in many areas. These circumstances have resulted in many research studies and development projects intended to provide both new hardware and software that can boost the efficiency of winter road surface management work. But on the other hand, it is now necessary to develop a new winter road surface maintenance system to meet the increasingly advanced public expectations of snow removal and to overcome chronic problems such as a shortage of workers and the aging of the available work force. As one way to resolve these problems, we propose a winter road surface management system using magnetic sensors as a highly practical technology that will permit more stable and reliable performance of effective and efficient tasks including snow removal and icing prevention. Where this system is installed, magnetic sensors will detect the magnetic fields generated by an electric current passing through electric wires buried under road surfaces (below called signal wires) and the information obtained this way will be used to guide and support winter road management work. Specifically, it will be used for the following two purposes: (1) Assisting road users (road management staff and workers plus ordinary users; drivers pedestrians, etc.) driving along the signal wires (below, driving assistance); and (2) Providing road users with route location information by transmitting various kinds of data (multiple magnetic fields) in the signal wires (below, route information assistance). Driving assistance technology for Use i) is an existing technology now used for truck guidance inside factory grounds. This technology can be used for high precision driving assistance for snow removal and anti-icing spreading personnel during accumulated snow and blowing snow conditions. And route information assistance technology for Use ii) can be used for route information assistance as a line: primarily for the provision of information about anti-icing chemical spreading sections and spreading quantities and snow blowing direction information for rotary snow removal vehicles. Studies have been carried out to develop methods of applying this system to winter road surface management that requires highly precise information by providing two kinds of assistance: driving assistance and route information assistance. We have carried out the following basic study of magnetic sensors in order to contribute to the development of a working system that can provide the above two uses. Based on the above, we have confirmed that this technology is a system that can be used to manage winter road surfaces. This paper introduces other cases of the application of this system.

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