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Gain Scaling for Active Wheelset Steering on Innovative Two-Axle Vehicle
(KTH Railway Group)ORCID iD: 0000-0003-4006-807X
KTH, School of Engineering Sciences (SCI), Engineering Mechanics, Vehicle Engineering and Solid Mechanics, Rail Vehicles.
KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group.ORCID iD: 0000-0002-8237-5847
2020 (English)In: The IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks: Advances in Dynamics of Vehicles on Roads and Tracks, 2020Conference paper, Published paper (Refereed)
Abstract [en]

Within the Shift2Rail project Run2Rail, an innovative single axle running gear with only one suspension step is proposed. A composite material frame shall be used both as structural and as suspension element. To improve curving performance active wheelset steering control is introduced. The selected control aims to minimize the longitudinal creepage by controlling the lateral wheelset position on the track. A two-axle vehicle is created in the MBS program SIMPACK and co-simulation is established with Simulink. The control strategy used is a simple PID control. A set of run cases with different curves and speeds is selected to verify the performance. The control gain optimal for high non-compensated lateral acceleration (NLA) tends to produce unstable results for low speeds. Control gain scaling is introduced based on vehicle speed and online estimation of the curvature. The proposed gain scheduling approach maintains the simple control formulation still solving the instability problem. Gain scheduling allows use of optimal control gains for all combinations of curve radii and vehicle speed and thereby taking the full advantage that the active wheelset steering brings to a vehicle with single axle running gears.

Place, publisher, year, edition, pages
2020.
Keywords [en]
Steering control, Creepage steering control, Gain scaling, Single axle running gear, Two-axle vehicle
National Category
Vehicle Engineering
Research subject
Järnvägsgruppen - Fordonsteknik
Identifiers
URN: urn:nbn:se:kth:diva-271897DOI: 10.1007/978-3-030-38077-9_7Scopus ID: 2-s2.0-85081589016OAI: oai:DiVA.org:kth-271897DiVA, id: diva2:1422971
Conference
IAVSD 2019
Available from: 2020-04-10 Created: 2020-04-10 Last updated: 2020-05-19

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Stichel, Sebastian

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