Browse Publications Technical Papers 960993
1996-02-01

A Study on Low-Frequency Brake Squeal Noise 960993

A new method to predict low-frequency brake squeal occurrence was developed and guidelines for its elimination were formulated.
First, a characteristic of the phenomenon was investigated using a simplified three-degree-of-freedom system model to obtain guidelines for squeal elimination, such as the natural frequency ratio of the brake rotor and caliper, an equivalent mass ratio of the brake rotor and caliper and the natural frequency and damping coefficient of the dynamic absorber. Then, a practical finite element model of the disk brake system was developed using Substructure Synthesis Method for design stage predictions. Finally, the usefulness of this method was confirmed by experimental validation.

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