Method and apparatus for an auxiliary train control system
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United States of America Patent
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Sep 19, 2023
Grant Date -
Oct 29, 2015
app pub date -
Apr 16, 2015
filing date -
Apr 25, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and an apparatus for a train control installation are disclosed, and are based on the absolute permissive block concept. The train control installation employs a plurality of generic absolute block signal units (ABSU), wherein each signal unit includes means for detecting the crossing of a train passed a discrete point, means for exchanging data with adjacent ABSUs, means for generating and communicating a movement authority limit to a train, means for generating and displaying a signal indication, and means for enforcing a stop aspect. The train control installation can be used in conjunction with a communication based train control (CBTC) system to provide a degraded mode of operation without impacting the availability and the reliability of the CBTC system. Further, the train control installation has a self-healing feature to maintain train service during an ABSU failure.
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