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논문 기본 정보

자료유형
학술대회자료
저자정보
김민석 (한국지엠) 조준수 (한국지엠) 최진호 (한국지엠) 김용석 (한국지엠)
저널정보
한국자동차공학회 한국자동차공학회 춘계학술대회 2013 KSAE 부문 종합학술대회
발행연도
2013.5
수록면
643 - 647 (5page)

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초록· 키워드

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Brake squeal noise is one of the crucial design factors in the vehicle development as one of the biggest customer complaints. In order to design and develop a robust brake system for the squeal noise, automotive engineers have tried to make the best use of CAE technology for the squeal noise prediction in the proper stages of vehicle development. But it is not easy to predict the noise performances due to the difficulty of building-up the high-fidelity model as well as getting the proper material data for the analysis. Especially, the anisotropic pad material data are essential for the squeal noise simulation, but it is very hard to get the reliable data due to the inaccuracy of the measurement. Recently the ultrasonic measurement method has been commonly used to measure and calculate anisotropic pad elastic constants. Even using the data by the ultrasonic method, many eigenvalue analyses show different results from FRF (Frequency Response Function) tests. This paper presents a study on anisotropic pad elastic constants correlation for improving the fidelity of brake squeal noise analysis based on optimization technique using FRF test results as well as ultrasonic measurement results. This study is applied to complex eigenvalue analysis of a brake system while most of the previous studies deal with eigenvalue analysis of a pad component, and it shows that the analysis results are well correlated with the test results.

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Abstract
1. 서론
2. 이방성 탄성계수
3. 최적화기법
4. 스퀼 소음 해석
5. 결론
References

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