Dynamics Modeling of the Arc Spring for Powertrain NVH Prediction

Yoshihiro Yamakaji
Exedy Corporation, Japan

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp161249

Ingår i: The First Japanese Modelica Conferences, May 23-24, Tokyo, Japan

Linköping Electronic Conference Proceedings 124:1, s. 9-14

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Publicerad: 2016-05-18

ISBN: 978-91-7685-749-6

ISSN: 1650-3686 (tryckt), 1650-3740 (online)


The key value of Model Based Development is to realize capability of quick performance design and simulation at the early phase of development. In this paper, we modeled an arc spring type torsional damper, which has an impact on the torsional vibration characteristics of powertrain in a vehicle. To predict non-linearity of the arc springs, we took a discrete modeling approach using MODELICA and compared its simulation results with the physical test results. We also developed a user-friendly interface with FMIE (Modelon FMI Add-in for Excel) so that a non-expert of physical modeling can run performance design easily and precisely on their own.


Powertrain, Arc Spring, Modelica, FMI, Nonlinear Vibration


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