Brief paper: Local energy minimization in optimal train control

Authors:
P. G. Howlett;P. J. Pudney;Xuan Vu
Affiliations:
Centre for Industrial and Applied Mathematics, Mawson Lakes Campus, University of South Australia, Mawson Lakes, 5095, Australia;Centre for Industrial and Applied Mathematics, Mawson Lakes Campus, University of South Australia, Mawson Lakes, 5095, Australia;Centre for Industrial and Applied Mathematics, Mawson Lakes Campus, University of South Australia, Mawson Lakes, 5095, Australia
Venue:
Automatica (Journal of IFAC)
Year:
2009

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Abstract

The calculation of optimal driving strategies for on-board control of freight trains is a challenging task. In this paper we calculate the critical switching points for a globally optimal strategy on a track with steep gradients using a new local energy minimization principle. The method has been used successfully in Australia to calculate optimal switching points and hence provide in-cab advice to train drivers on long-haul freight trains.