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Complex Eigenvalue Analysis for Reducing Low Frequency Brake Squeal
Technical Paper
2000-01-0444
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Event:
SAE 2000 World Congress
Language:
English
Abstract
A front disc brake system is used as an example for an investigation of low frequency squeal. Many different modifications to this disc brake system have been proposed and this paper focuses on a solution that reduces the stiffness of the rotor. This is accomplished by a reduction in the Young's modulus of the rotor material. The complex eigenvalue method is used for a detailed analytical study in order to obtain a better understanding of this solution technique. Modal participation factors are calculated to examine the modal coupling mechanism. Parametric studies are also performed to find out the effects of friction coefficient and rotor stiffness. Results show that shifting rotor resonance frequencies may ecouple the modal interaction and eliminate dynamic instability, which is in agreement with experimental results.
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Authors
Citation
Kung, S., Dunlap, K., and Ballinger, R., "Complex Eigenvalue Analysis for Reducing Low Frequency Brake Squeal," SAE Technical Paper 2000-01-0444, 2000, https://doi.org/10.4271/2000-01-0444.Also In
Brake Technology: ABS/TCS Systems, NVH, and Foundation Brakes
Number: SP-1537; Published: 2000-03-06
Number: SP-1537; Published: 2000-03-06
SAE 2000 Transactions Journal of Passenger Cars - Mechanical Systems
Number: V109-6; Published: 2001-09-15
Number: V109-6; Published: 2001-09-15
References
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