4WD 운전성 개발에 관한 연구
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4WD Driveline is quite a bit complex system. It has more parts than 2WD driveline. Therefore it is necessary to consider the whole system to make good performance. In this paper we studied 4WD driveline booming and transfer rattle noise among many 4WD problems. 4WD booming and transfer rattle noise take place when 4WD driveline is not properly designed. There are driveline natural modes in 4WD driveline system. When the system is not properly designed, one of the modes is the reason of Booming and transfer rattle noise. We showed the mechanism of 4WD booming and transfer rattle noise in test and simulation. Through test & simulation, we examine solutions like DMF, transfer gear ratio and 4WD coupling tuning..
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