Supplementary Report to Automatic Train Protection for the Railway Network in Britain - A Study

Provided by: The Royal Academy of Engineering
Topic: Software
Format: PDF
This paper represents a brief update on developments in Automatic Train Protection. There are a number of ways of enhancing conventional AWS to provide additional features such as the train stop facility at a red signal. One approach that has received recent attention involves installing an additional permanent magnet shortly after the standard location of the conventional AWS magnet set, the additional magnet being suppressed except when the signal is at red. By means of a relatively small modification to the AWS receiver, it is possible for this to trigger a brake application associated with the red signal.

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