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The security maintenance in a tunnel is a tough work and it is time-sensitive. For it always requires to monitor a wide range of areas in the tunnel, if all monitoring jobs only rely on manual operations when a disaster happened, it might cause delays and lead to huge losses. WISE allows to connect to various I/O devices and is able to response to the emergency in real-time. In this case, the WISE controllers are installed in various segments in the tunnel and are connected to smoke/temperature sensors, warning lights, sprinklers, ventilation fans and other equipments. The Rules that in response to emergency situations could be pre-set in WISE, and then when smoke and high temperature are detected, the fire fighting procedures will be triggered; the sprinklers will be automatically turned on to put out the fire; the ventilation fans will be started to take away the smoke; and will turn on the warning lights and open the security doors to guide people in the tunnel away from the emergency scene. The related information will be gathered in back-end control center, and will send out notification to all controllers in all segments of the tunnel for traffic control and management. |
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