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Automatic train stop or ATS is a system on a train that automatically stops a train if certain situations occur (unresponsive train operator, earthquake, disconnected rail, train running over a stop signal, etc.) to prevent accidents.
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Battery types such as the 9-volt have snap-on contacts. Battery holders for zinc-air batteries must not be completely air-tight since approximately 1 litre of air is required per ampere-hour of discharge per cell. The battery holder may include a valve integrated with the device power switch to allow air to be admitted when the device is ...
Japan's Earthquake Early Warning system was put to practical use in 2006. The system that warns the general public was installed on October 1, 2007. [25] [26] It was modeled partly on the Urgent Earthquake Detection and Alarm System (UrEDAS ) of Japan Railways, which was designed to enable automatic braking of bullet trains. [27]
ATS units shall be regarded as "system of systems", e.g. a system for each decomposed domain. An ATS systems may consist of subsystems, e.g. an ACC ATS system may consist of a subsystem "Main" and a subsystem "Fallback". ATS systems or subsystems always comprise Hardware (HW), Software (SW), and Network Infrastructure (NET).
Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes.With better understanding of seismic demand on structures and with recent experiences with large earthquakes near urban centers, the need of seismic retrofitting is well acknowledged.
The system has intercepted a variety of threats, including the 9M133 Kornet ATGM, RPG-29, etc. The U.S. Army has reported similar success in tests. [8] The system utilizes small EFPs which are projected towards the incoming threat; energy, debris and explosive pressure waves disintegrate the incoming projectile at a safe distance from the vehicle.
Earthquake modification techniques and modern building codes are designed to prevent total destruction of buildings for earthquakes of no greater than 8.5 on the Richter Scale. [4] Although the Richter Scale is referenced, the localized shaking intensity is one of the largest factors to be considered in building resiliency.
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