Engineering Mechanics

International Conference

Proceedings Vol. 15 (2009)


ENGINEERING MECHANICS 2009

NATIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION
May 11 – 14, 2009, Svratka, Czech Republic
;
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2009 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-86246-35-2 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Testing of actively controlled driver’s seat
M. Apetaur, J. Barbora, J. Buchta, B. Janeček, L. Kupka, M. Marek, J. Šklíba
pages 73 - 87, full text

Actively suspended driver´s seat is in development at the TU Liberec. It was already described in several publications (Kupka L., Jane ek B., Buchta J., Šklíba J., 2005-2007). Results of some measurements on the developed active seat (development stage end of 2007) and on passive driver’s seats are presented in this paper. Seats were measured in laboratory on a hydroelectric rig and tested in a truck at TATRA proving ground. Laboratory tests have shown, that tested passive seats behave practically as a 1DOF linear system, whereas developed active driver’s seat has strongly nonlinear behaviour. It was stated, that transmissibility of vertical floor acceleration to driver´s seat cushion acceleration of active seat was far more advantageous than that of passive seats. Transmissibility results gained in laboratory were however not confirmed in onroad measurements, both for passive as well as active seats. Transmissibilities gained from on-road measurements on very different roads differ so profoundly from the laboratory ones, that driver´s very strong active involvement on his vibrational motions must be supposed.


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All papers were reviewed by members of the scientific committee.


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