Communications Network System Using IP
Multicast Technology For An Accident Protection
System
Author(s)
K. Seki, S. Suzuki & H. Yamamoto
Abstract
We are developing a protection system to eradicate the accidents related to
maintenance work. This system consists of a mobile terminal carried by each
worker, a portable cab terminal temporally installed in the cab of a maintenance
car, a connector attached to the existing signal system and a central
administrative device installed at the control center. The mobile terminal, the
cab terminal and the connector autonomously send their status information such
as their position detected by the Global Positioning System (GPS) and their
operational conditions and selectively receive necessary information. The
central administrative device grasps the status of all devices and broadcasts track
occupancy monitor information. To effectively exchange the information, we
have decided to configure a communications network that u
Keywords
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