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최승렬(Seungryul Choi),권형주(Hyungjoo Kwon) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
MDPS(Motor Driven Power Steering) system is popularly used these days, replacing the hydraulic steering assist system thanks to many advantages. Otherwise some problems remain to be solved also. Rattle phenomenon is one of them and the study about the analysis of rattle does not go far. Tn this study, ADAMS model of the rattle test rig was built and correlated with test result. The test results used in correlation are the accelerations of the worm and worm wheel in worm shaft axial direction. The model has been validated through the correlation in low frequency range, and simulation results with the modified design are distinct from the original one as much as the test results. This model will help us to design the better worm gear set in MDPS system and solve the many problems about the rattle vibration.