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A Study on Low-Frequency Brake Squeal Noise
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English
Abstract
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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Kido, I., Kurahachi, T., and Asai, M., "A Study on Low-Frequency Brake Squeal Noise," SAE Technical Paper 960993, 1996, https://doi.org/10.4271/960993.Also In
Current and Future Developments in ABS/TCS and Brake Technology
Number: SP-1142; Published: 1996-02-01
Number: SP-1142; Published: 1996-02-01
References
- Milliner N. “An Analysis of Disk Brake Squeal” SAE Paper 780332 1979
- Ohta K. Kagawa K. Eto T. Nishikawa S. “A Study on Disk Brake Squeal” Trans.Japan Soc.Kech.Eng. (Japan Version) 50 457 1984