The Experimental and Analysis of Automobile Brake Groan

Xian Jie Meng; Ren Fei Yuan

doi:10.4028/www.scientific.net/AMM.409-410.1492

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 409-410The Experimental and Analysis of Automobile Brake...

The Experimental and Analysis of Automobile Brake Groan

Abstract:

To seize the feature of brake groan and the relay route of the vibration and noise,an experiment is done on brake groan and all signals are done the auto-power spectrum analysis and coherence analysis. The result of experiment and analysis shows that brake groan is a low frequency vibration and noise happened under the low vehicle speed and low brake pressure, the noise of the interior of cab has good coherence with the noise beside the brake caliper when the brake groan takes place, and also with the vibration of tangent orientation of brake caliper, Y orientation of vehicle coordinate system on arm of cross pattern and Z orientation on the top dead center of suspension. The coherence analysis roughly illustrates that the relay route of the brake groan have two paths, the vibration and noise are transferred from the arm of cross pattern and suspension to automobile chassis and body Keywords: brake groan, experimental,spectrum analysis,relay route

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Periodical:

Applied Mechanics and Materials (Volumes 409-410)

Pages:

1492-1495

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.409-410.1492

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Online since:

September 2013

Authors:

Xian Jie Meng, Ren Fei Yuan

Keywords:

Brake Groan, Experimental, Relay Route, Spectrum Analysis

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References

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