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Seat Squeak Measurement and Diagnosis
Technical Paper
2013-26-0094
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
BSR (Buzz, Squeak and Rattle) is one of the oldest concerns in automobiles which directly reflect the build, assembly and manufacturing quality of a vehicle. In a cabin all the areas where there is relative motion between two components, such as trims, instrument panel and seats, are prone to squeak. This paper explains the study of seat squeak measurement and diagnosis which is a major concern for one of the products which is already in the market. Since squeak is a friction induced non stationary phenomenon, lot of effort was required to generate squeak in both component as well as vehicle level. At component level, electrodynamic shaker was extensively used for generation of squeak signals. In Vehicle level, driving through different road patterns, pave track and forced excitation on four posters are performed for generation of squeak signals. In this paper usage of wavelet and Zwikker loudness are explained for the diagnosis of seat squeak to identify the problematic frequencies. Results in both pave track condition and in four poster excitation method are presented.
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Citation
Kumar, R., Kumar, N., and Nair, S., "Seat Squeak Measurement and Diagnosis," SAE Technical Paper 2013-26-0094, 2013, https://doi.org/10.4271/2013-26-0094.Data Sets - Support Documents
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References
- Jay M , Gu Y and J Excitation and Measurement of BSR In Vehicle Seats SAE Paper No. 2001-01-1552 2001 10.4271/2001-01-1552
- Feng John and Hobelsberger Josef Detection and Scaling of Squeak & Rattle SAE Paper No. 1999-01-1722 1999 10.4271/1999-01-1722