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Hinkmond Wong's Weblog

Internet of Things (IoT): How Positive Train Control Works

Guest Author








Here's a description at the L.A. Times Web site of how positive train control works using IoT techniques and Big Data.

See:


How Positive Train Control Works

Here's a quote:

 En route, the train’s position 
and speed are tracked via GPS.
Signal status, broken rails,
curves, etc. come in from
wayside devices. Using these
data, the system tells the
engineer when to adjust speed.
If the engineer doesn’t act,
the system takes over, adjusts
speed and, if necessary, brings
the train to a stop.

In light of the tragic train derailment in Philadelphia, it's always good to review things that can prevent this type of horrific occurrence in the future.



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