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On the influence of wheel-rail combination on active wheelset steering control with wheelset angular velocity feedback and countermeasures
KTH, School of Engineering Sciences (SCI), Engineering Mechanics.ORCID iD: 0000-0003-4732-9332
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle engineering and technical acoustics.ORCID iD: 0000-0002-3855-0011
KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group. KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle engineering and technical acoustics. KTH Royal Inst Technol, Dept Engn Mech, Teknikringen 8, SE-10044 Stockholm, Sweden.ORCID iD: 0000-0003-1583-4625
KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group. KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle engineering and technical acoustics. KTH Royal Inst Technol, Dept Engn Mech, Teknikringen 8, SE-10044 Stockholm, Sweden.ORCID iD: 0000-0002-8237-5847
2025 (English)In: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, ISSN 0954-4097, E-ISSN 2041-3017Article in journal (Refereed) Published
Abstract [en]

Active wheelset steering using wheelset angular velocity feedback has been proposed and proven effective in achieving one of the goals for perfect steering condition, i.e. minimising longitudinal creep forces and thus wear. This control strategy relies on the contact parameters of wheel-rail pairs to generate a desired angular velocity by using the wheel rolling radii. Some wheel-rail combinations give a non-monotonic function of the average rolling radius with respect to curve radius, which therefore poses a difficulty in controlling active steering with the angular velocity feedback. This study aims to investigate the effect of different wheel-rail combinations and wheel wear. Worn wheels in general tend to cause a non-unique function whereas the original profile gives a monotonic one. Two countermeasures are then investigated to cope with the raised challenges. First, the reference signal generated from the approximated average rolling radius method has proven to be effective for both the original and the least worn profile; however, a wheel with higher wear depths would require a new tuned scaling factor. The control strategy based on equal wheelset angular velocity is then investigated with two schemes: equal wheelset angular velocity within the same running gear and equal angular velocity of all wheelsets within the vehicle. Both schemes provide significant wear number reduction, but the second approach results in better distribution of wheel-rail lateral forces among all wheelsets. This control strategy can also relax the demanded knowledge of wheel-rail contact properties and vehicle travelling speed.

Place, publisher, year, edition, pages
SAGE Publications , 2025.
Keywords [en]
wheel-rail combination, wheelset angular velocity, active wheelset steering, worn wheel profiles, equal wheelset movement
National Category
Vehicle and Aerospace Engineering
Identifiers
URN: urn:nbn:se:kth:diva-375574DOI: 10.1177/09544097251399689ISI: 001616985900001Scopus ID: 2-s2.0-105022301982OAI: oai:DiVA.org:kth-375574DiVA, id: diva2:2030883
Note

QC 20260121

Available from: 2026-01-21 Created: 2026-01-21 Last updated: 2026-01-21Bibliographically approved

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Damsongsaeng, PrapanpongPersson, RickardCasanueva, CarlosStichel, Sebastian

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Damsongsaeng, PrapanpongPersson, RickardCasanueva, CarlosStichel, Sebastian
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Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit
Vehicle and Aerospace Engineering

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