Simplified and advanced modelling of traction control systems of heavy-haul locomotives
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© 2015 Taylor & Francis. Improving tractive effort is a very complex task in locomotive design. It requires the development of not only mechanical systems but also power systems, traction machines and traction algorithms. At the initial design stage, traction algorithms can be verified by means of a simulation approach. A simple single wheelset simulation approach is not sufficient because all locomotive dynamics are not fully taken into consideration. Given that many traction control strategies exist, the best solution is to use more advanced approaches for such studies. This paper describes the modelling of a locomotive with a bogie traction control strategy based on a co-simulation approach in order to deliver more accurate results. The simplified and advanced modelling approaches of a locomotive electric power system are compared in this paper in order to answer a fundamental question. What level of modelling complexity is necessary for the investigation of the dynamic behaviours of a heavy-haul locomotive running under traction? The simulation results obtained provide some recommendations on simulation processes and the further implementation of advanced and simplified modelling approaches.
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Spiryagin, M.; Wolfs, Peter; Cole, C.; Stichel, S.; Berg, M.; Manfred, P. (2017)© 2017 Informa UK Limited, trading as Taylor & Francis Group. The main task for heavy haul railway operators is to reduce the cost of exported minerals and enhance the long-term viability of rail transport operations ...
Study on heavy haul locomotive behaviour under a bogie traction control strategy with the presence of wheel diameter difference within a bogieSpiryagin, M.; Wolfs, Peter; Cole, C.; Sun, Y.; Szanto, F. (2016)© 2016 Taylor & Francis Group, London. Understanding the traction capabilities of real locomotives is a quite complex task because a great number of limitations and uncertainties are involved in the process. One of the ...
Spiryagin, M.; Wolfs, Peter; Wu, Q.; Cole, C.; Alahakoon, S.; Sun, Y.; McSweeney, T.; Spiryagin, V. (2017)© Copyright 2017 ASME. The traction performance of a locomotive under real operational conditions is strongly dependent on friction conditions present at the wheel-rail interface. The tribology of the contact process ...