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논문 기본 정보

자료유형
학술대회자료
저자정보
황재근 (현대자동차) 김정규 (현대자동차) 김성호 (현대자동차) 강동훈 (현대자동차)
저널정보
한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2023년 한국자동차공학회 추계학술대회 및 전시회
발행연도
2023.11
수록면
231 - 236 (6page)

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초록· 키워드

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Brake squeal noise comes from the complex phenomenon of the disc and the friction interface. In fact, even in the friction material of the same shape, the noise characteristics are different depending on the friction interface pattern. However, the current squeal noise simulation does not reflect the effects of these friction interfaces, but only the friction coefficient and braking pressure are used to realize the phenomenon. Therefore, the reliability of the complex eigenvalue analysis result is inevitably lowered. In this study, the complex eigenvalue analysis is performed by reflecting the actual shape modeling technique of the friction interface, and the validity of the improved analysis method is verified through the test. The friction surface modeling technique of this study is designed to randomly generate the friction interface of the analytical model by measuring the shape (shape, waveform, roughness) of the actual friction surface. In order to express the actual friction surface shape in the analytical model, the friction layer size is also compactly constructed. Surface patterns of manufacturers and materials were analyzed for friction materials of the same shape, and the test and analysis results for the samples were compared. As a result of noise evaluation, the shape of the friction material is the same, but the squeal noise tends to be completely different according to the friction interface pattern. An analysis model similar to the friction interface pattern of each friction material used in the test was constructed, and the results of the complex eigenvalue analysis showed similar results. Therefore, it can be confirmed that the complex frictional application method with the actual friction surface can yield similar results with the actual phenomena. In addition, this study analyzed the spread on the brake system using random friction interface models. In case of using random friction interface, the squeal noise reproducibility tends to be higher than that of the case

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Abstract
1. 서론
2. 본론
3. 결론
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