차량 보요소 모델링을 통한 충격성 BSR 신호 발생위치 검출Localization of impulsive BSR signal in vehicle using spectral element method
- Other Titles
- Localization of impulsive BSR signal in vehicle using spectral element method
- Authors
- 곽윤상; 박상목; 이종호; 박준홍
- Issue Date
- Oct-2015
- Publisher
- 한국소음진동공학회
- Keywords
- Flexural wave(구조파); BSR signal(BSR 신호); Localization algorithm(위치검출 알고리즘)
- Citation
- 한국소음진동공학회 2015년도 추계학술대회 논문집, pp.148 - 149
- Indexed
- OTHER
- Journal Title
- 한국소음진동공학회 2015년도 추계학술대회 논문집
- Start Page
- 148
- End Page
- 149
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/156135
- ISSN
- 1598-2548
- Abstract
- Impacts generated by interference of inside panels of vehicle cause Buzz, Squeak, Rattle(BSR) noises. Identifying the location of impact source in actual vehicle is essential to reduction of the noises. In this study, localization algorism of the impact source in a actual vehicle in Body-In-White(BIW) condition is proposed. The proposed algorism is verified by theoretical model and experimental result on an actual vehicle. Flexural wave characteristics are analyzed on Timoshenko beam using the BSR signal measured in the vehicle. A test is conducted on BIW vehicles modeled with beam elements using spectral element method. The predicted results are compared with actual location of impact sources. Using the proposed algorithm, the l ocation of source is predicted by small number of vibration measurements.
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