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Stability and safety analysis of an active steering bogie according to EN 14363 standard

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Abstract

The angle of attack of a wheelset in a curve is a critical parameter in running safety and curving performance of a railway vehicle. Running with a large angle of attack (AOA) will intensify wear, noise and risk of derailment and, therefore, reduction of AOA is essential to prevent the undesirable consequences. In this regard, passive and active methods are used to control the lateral movements of rail vehicles. In this research, the performance of a new trainset including five wagons with single active steering wheelset bogies, named S5D95, is investigated through dynamic modeling. The simulations were carried out by means of SIMPACK software and then the obtained results were evaluated according to EN14363 standard. The analyses revealed that the lateral forces, derailment coefficients of the wheel and lateral accelerations of the wagons improved significantly by considering steerable mechanism. Owing to its structural merits, it was observed that the active steering bogie runs with higher safety and ride quality in comparison with conventional bogie.

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Notes

  1. Root mean square.

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Authors and Affiliations

  1. School of Railway Engineering, Iran University of Science and Technology, Tehran, Iran

    H. Molatefi & V. Bokaeian

  2. Fachgebiet Schienenfahrzeuge, Technical University of Berlin, Berlin, Germany

    M. Hecht

Authors
  1. H. Molatefi
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  2. M. Hecht
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  3. V. Bokaeian
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Correspondence to H. Molatefi.

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Technical Editor: Kátia Lucchesi Cavalca Dedini.

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Molatefi, H., Hecht, M. & Bokaeian, V. Stability and safety analysis of an active steering bogie according to EN 14363 standard. J Braz. Soc. Mech. Sci. Eng. 39, 2945–2956 (2017). https://doi.org/10.1007/s40430-017-0758-0

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  • DOI: https://doi.org/10.1007/s40430-017-0758-0

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