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Active Control Methods for Reducing Lateral Vibrations in High-Speed Trains
Ansvarlig organisasjon
2002 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert) Published
Abstract [en]

The problem of low-frequency lateral train-car vibration is an important issue surrounding the design of high-speed trains. Passive vibration control solutions such as stiffening the car chassis are impractical because of the weight increase, and modifying the structural dynamics of the carboy through nonrigid coupling of heavy underfloor equipment does not come with a weight penalty, but do not sufficiently reduce the vibrations. This paper addresses two simple active vibration control systems for reducing lateral vibrations: one feedforward system and one feedback. Computer simulations based on signals derived from a dynamic computer model of a train car indicates that the incorporation of an active control system, in addition to the passive approach, is likely to introduce an improved attenuation of the low-frequency lateral vibrations. Active control results illustrate an attenuation of the lateral train-car vibration by up to 14 dB.

sted, utgiver, år, opplag, sider
Patras, Greece: Greek Association of Computational Mechanics (GRACM) , 2002.
Emneord [en]
active vibration control, feedforward control, feedback control, lms algorithm, train
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-9727Lokal ID: oai:bth.se:forskinfo9CBC34544B500A0AC1256C79002BF94FOAI: oai:DiVA.org:bth-9727DiVA, id: diva2:837654
Konferanse
GRACM 2002
Tilgjengelig fra: 2012-09-18 Laget: 2002-11-22 Sist oppdatert: 2015-06-30bibliografisk kontrollert

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Johansson, SvenHåkansson, LarsClaesson, Ingvar

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