Conference article

A Thermo-elastic Annular Plate Model for the Modeling of Brake Systems

José Luis Reyes Péres
German Aerospace Center (DLR), Institute of Robotics and Mechatronics, Germany

Andreas Heckmann
German Aerospace Center (DLR), Institute of Robotics and Mechatronics, Germany

Ingo Kaiser
German Aerospace Center (DLR), Institute of Robotics and Mechatronics, Germany

Download articlehttp://dx.doi.org/10.3384/ecp11063295

Published in: Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany

Linköping Electronic Conference Proceedings 63:33, s. 295-303

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Published: 2011-06-30

ISBN: 978-91-7393-096-3

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

Abstract

The friction forces generated during braking between brake pads and discs produce high thermal gradients on the rubbing surfaces. These thermal gradients may cause braking problems such as hot spotting and the associated hot judder phenomenon in the frequency range below 100 Hz.

Some consequences of these undesirable vibrations are comfort reductions; a defective braking process; inhomogeneous wear; cutbacks of the brake performance and even damage of brake components.

The present paper proposes a modeling concept that is targeted on this field of application and introduces the new Modelica class ThermoelasticPlate; which is implemented in the DLR FlexibleBodies library.

Keywords

Disc brake; Modal multifield approach; Thermoelasticity

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