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[동력전달계부문] Dual Mass Flywheel 시스템의 특성 시험 평가 기술
최성진(S.J. Choi),최규재(G.J. Choi),임종순(J.S. Im),장우석(W.S. Jang),박규성(K.S. Park) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper, methods for performance characterization testing of Dual Mass Flywheel system (DMF) are presented. The DMF system is used to reduce the torsional vibration and noise occurring in automotive powertrain. It isolates rotational irregularities largely from engine rotational fluctuation. To measure the performance characteristics of DMF, real vehicle testing modes are investigated and measuring equipments are installed in three types of powertrain of a vehicle.<br/> The performance characterization testing of three systems are performed and compared to each other. And the investigated testing methods will be used to test the performance of DMF systems.<br/>
[동력전달계부문] 차량 구동계의 진동·소음 저감을 위한 이중 질량 플라이휠 개발(Part 1)
장우석(W.S. Jang),박규성(K.S. Park),최성진(S.J. Choi),최규재(G.J. Choi) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
As part of the effort to reduce the vibration and noise such as Gear rattle noise of transmission, Vehicle body booming in Power train System, a Dual Mass Flywheel has been designed. Specifically, We have designed a new Dual Mass Flywheel that can be obtained to reduce the vibration of Power train system by controlling a Drive plate's function in accordance with the engine torque characteristic curve and traveling condition of the vehicle. It is the IL]IN Dual Mass Flywheel's advantage that an Ideal torque characteristic curve was needed to achieve the optimal shock absorbing effect of torsional vibration of Power train system. The drive plate is formed as an axe shape such that the roller of the spring assembly roller in contact with the characteristic shape of the drive plate is to dampen the torsional vibration of Power train system. The purpose of this paper is to compare the dynamic behavior of the ILJIN Dual Mass Flywheel with that of the another company's Dual Mass Flywheel. Global dynamic behavior of the Power train system is analyzed by Finite Element Method(FEM). The Vibration characteristic responses of the Power train system from dynamic analysis, such as Normal mode analysis, Modal frequency response analysis, and Non-linear transient response analysis are fed back as loading condition, moment of inertia values, each of stiffness to the Finite Element Model to obtain dynamic responses for critical parts of the Power train system.