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Analysis of the Induced Brake Moan Noise in the Coupled Torsional Beam Axle Suspension Module
Technical Paper
2005-01-3920
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Although several techniques of avoiding the moan noise are recently developed, analysis and design modifications are dependent on the case study and not systematic. In this study, the induced moan noise is analyzed in the coupled torsional beam axle (CTBA) suspension module with a proposed processing technique that lead to a reliable solution to prevent the moan noise. The signal of the moan noise is measured throughout the vehicle test considering the external conditions. The measured signal is analyzed its spectral characteristics with using a wavelet technique and two major spectra of the moan noise which is invisible only with FFT is successfully detected. Also a novel contribution analysis that is based on the frequency response function (FRF) is proposed to determine which component is more contributive for passing through the moan noise in the CTBA suspension module. The result of the current analysis gives a hint to make a design modification plan that expects to decrease the level of the moan noise. After constructing the multi-body model of the vehicle with MSC/ADAMS, the redesign strategy is verified with the responses of the CTBA module as operating the vehicle virtually.
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Citation
Kim, C., Lee, B., Lee, C., and Jeong, H., "Analysis of the Induced Brake Moan Noise in the Coupled Torsional Beam Axle Suspension Module," SAE Technical Paper 2005-01-3920, 2005, https://doi.org/10.4271/2005-01-3920.Also In
References
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