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CHARACTERISATION OF PASSENGER VEHICLE IN-CABIN NOISE USING OMA AND SOUND QUALITY TECHNIQUES - AN INTEGRATED APPROACH
Technical Paper
2009-28-0047
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In the recent past, interior noise quality has developed into a decisive aspect for the evaluation of overall vehicle quality. The paper discusses the effect of structural modes of vibration caused in a passenger car during its operational conditions and its effect of noise inside the cabin. In order to characterize the body modes under road operation, OMA is used and the Interior noise quality of car cabin is judged by the Sound quality tools. Based on the jury evaluation, the problem is identified and problem area is identified with operational modal analysis techniques to take the countermeasure and verification of the study is done. The relation of body modes is established to overall cabin noise performance and improvements are checked with use of Modification Prediction tool after identifying the critical areas. This study is helpful in developing the new vehicle modal faster and also to analyze and to take countermeasure at earlier stages of developments.
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Citation
Saravanan, M., Jain, C., and Balthy, M., "CHARACTERISATION OF PASSENGER VEHICLE IN-CABIN NOISE USING OMA AND SOUND QUALITY TECHNIQUES - AN INTEGRATED APPROACH," SAE Technical Paper 2009-28-0047, 2009, https://doi.org/10.4271/2009-28-0047.Also In
References
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