Issues in Automated Urban Train Control: ‘Tackling’ the Rugby Club Problem

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Normally, the passengers on urban rail systems remain fairly stationary,
allowing for a relatively straightforward approach to controlling the dynamics
of the system, based on the total rest mass of the train and passengers. However
when a mischievous rugby club board an empty train and then run and jump-stop during the braking process, they can disrupt the automatic mechanisms for aligning train and platform doors. This is the rugby club problem for automated urban train control. A simple scenario of this kind is modelled in Hybrid Event-B, and sufficient conditions are derived for the prevention of the overshoot caused by the jump-stop. The challenges of making the model more realistic are discussed, and a strategy for dealing with the rugby club problem, when it cannot be prevented, is proposed.
Original languageEnglish
Title of host publicationProceedings of the 6th International ABZ Conference 2018
Number of pages15
Publication statusPublished - 2018


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