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Stability of a Nonlinear Brake System at High Operating Speeds

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Abstract

The dynamics of a nonlinear car brake system is examined based on arealistic model in connection with a linearizationabout a stationary operating state. The rotating brake disc isapproximated by a rotating ring with two brake pads modeledas point masses which are in contact with the rotating ring.Each pad is visco-elastically suspended in axial and circumferential direction and loaded with a friction force. Two contact models areintroduced and incorporated in the system. The instabilitiesresponsible for brake noise evoked by internal resonances are presented.Several parameter studies are discussed,which show the sensitivity of the brake stiffness tuning and the brakeforce on the dynamic stability of the nonlinear brake system.

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Authors and Affiliations

  1. Institut für Technische Mechanik, Universität Karlsruhe, D-76128, Karlsruhe, Germany

    Jürgen Heilig & Jörg Wauer

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  1. Jürgen Heilig
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  2. Jörg Wauer
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Heilig, J., Wauer, J. Stability of a Nonlinear Brake System at High Operating Speeds. Nonlinear Dynamics 34, 235–247 (2003). https://doi.org/10.1023/B:NODY.0000013506.20009.70

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  • DOI: https://doi.org/10.1023/B:NODY.0000013506.20009.70

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