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Ride Comfort Improvements of a REGINA Train with Active Lateral Secondary Suspension
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Rail Vehicles. KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Rail Vehicles.ORCID iD: 0000-0002-8237-5847
2010 (English)In: 8th International Conference on Railway Bogies and Running Gears, BOGIE '10, Budapest, Hungary, September 13-16, 2010., 2010Conference paper, Published paper (Other academic)
Abstract [en]

This study describes the development of a system of active lateral secondary suspension (ALS) for commercial use. Simulations and on-track tests have been performed with a two-car REGINA train-set since 2007, using electro-hydraulic actuators together with sky-hook damping and a carbody centring Hold-Off Device to actively control the secondary suspension. Measurement results show that the ALS system significantly reduces the lateral dynamic carbody accelerations. Furthermore, the lateral quasi-static displacements between carbody and bogies in curves at high track plane accelerations are significantly reduced. Hence, lateral ride comfort is improved and higher speeds, particularly in curves, may be allowed. The satisfactory results have led to long-term tests in service operation, which are being carried out since the beginning of 2009.

Place, publisher, year, edition, pages
2010.
Keyword [en]
active secondary suspension, Hold-Off Device, ride comfort, simulations, on-track tests
National Category
Vehicle Engineering
Research subject
Järnvägsgruppen - Gröna tåget
Identifiers
URN: urn:nbn:se:kth:diva-26317OAI: oai:DiVA.org:kth-26317DiVA: diva2:371683
Conference
International Conference on Railway Bogies and Running Gears
Note
QC 20110127Available from: 2010-11-22 Created: 2010-11-22 Last updated: 2011-05-06Bibliographically approved

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Stichel, Sebastian

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