차량 NVH개선 설계를 위한 샤시 구동계의 Driveline Test Bench 구성 및 CAE 해석

김기주; 주형준; 이용헌; 배대성; 성창원; 백영남; 손일선

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자료유형: 학술저널

저자정보: 김기주 주형준 이용헌 배대성 성창원 백영남 손일선

저널정보: 한국자동차공학회 한국자동차공학회논문집 한국자동차공학회논문집 제17권 제1호

발행연도: 2009.1

수록면: 114 - 119 (6page)

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The authors have investigated the NVH problems of drive system in full vehicle test. However it is difficult to define the NVH problems of driveline system. Since it is hard to measure the rotating part and it is vague that only the drive system induces the NVH problem. Vibration in a driveline is presented in this paper. In the experiment, the rear subframe and propeller shafts and axle were composed and mounted with rubber each other. For applying the vibration input instead of the torsional vibration effect of an engine, the shaker was taken. In particular, torsional vibration due to fluctuating forced vibration excitation across the joint between driveline and rear subframe was carefully examined. Accordingly, the joint response was checked from experiments and the FEsimulation using FRF (frequency response function) analysis was performed. All test results were signal processed and validated against numerical simulations. In present study, the new test bench for measuring the vibration signal and simulating the vehicle chassis system was proposed. The modal value and the mode shape of components were analyzed using the CAE model to identify the important components affecting driveline noise and vibration. It could be reached that the simplified test bench could be well established and be used for design guide and development of the vehicle chassis components.

#NVH #CAE #FEM(Finite Element Method) #Driveline #Test bench

참고문헌 (8)

참고문헌 신청

1. [보고서] - H. Y. Isaac Du / 2002 / Dynamic Stress Correlation and Modeling of Driveline Bending Integrity for 4WD Sport Utility Vehicles

2. [보고서] - H. Y. Isaac Du / 2001 / Modeling and Correlation of Driveshaft Whirl Dynamics for RWD Sport Utility Vehicles

3. [보고서] - M. Voight / 2005 / Balancing Competing Design Imperatives to Overall Driveline NVH Performance Objectives

4. [보고서] - M. Magalhaes / 2003 / Driveline Structure-Borne Vibration and Noise Path Analysis of an AWD Vehicle Using Finite Elements

5. [보고서] - W. Exner / 1995 / Phenomena in Light Truck Drivelines

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주요연구분야 공학 > 기계공학 > 기계공학 일반 TOP 5% 공학 > 기계공학 > 자동차공학

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