기여도 함수 기법에 의한 차량 시트의 래틀 노이즈 규명
- Title
- 기여도 함수 기법에 의한 차량 시트의 래틀 노이즈 규명
- Other Titles
- Evaluation of Vehicle Seat Rattle Noise Using Coherence Function Technique
- Author
- 오재응
- Keywords
- 래틀 노이즈; 차량용 시트; 기여도 함수기법; 소음원 가시화; 모달 테스트; Rattle Noise; Vehicle Seat; Coherence Function Technique; Sound Source Visualization; Modal Test
- Issue Date
- 2011-08
- Publisher
- 한국소음진동공학회, 2011.
- Citation
- 한국소음진동공학회 논문집, Vol.21 No.8 [2011], 774-780
- Abstract
- Recently, customers have been concerned about vehicle NVH depending on vehicle designing and manufacturing technologies development. In choosing vehicle, vehicle NVH is becoming the most important factor to customers. Especially, a seat is the final stage of vibration transfer path to passengers from all sources of vibration like engine, transmission and etc. And seat is the nearest component from driver's ear. For this reason, seat is the most important component that directly related to ride comfort for passengers. And driver can be influenced sensitively by BSR caused by seat. Thus, evaluating the vibration characteristics of vehicle seat and BSR caused by vehicle seat is necessary to reduce the seat BSR. The rattle noise occurred from seat has evaluated through sound source visualization and multi-dimensional spectral analysis - coherence function technique in this paper. Vibration characteristics of the seat has verified through modal test.
- URI
- http://www.dbpia.co.kr/Journal/ArticleDetail/NODE02404791
- ISSN
- 1598-2785; 2287-5476
- DOI
- 10.5050/KSNVE.2011.21.8.774
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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