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[구조강도] 주름관을 채택한 조향축의 진동특성에 관한 연구
김권희(KwonHee Kim),한규희(GyuHee Han),김행겸(HaengKyeom Kim) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1999 No.11_2
A bellows can be used as an efficient energy absorbing clement of an automotive steering column. On the other hand, bending flexibility of the bellows has negative effects on the vibration characteristics. An effort is made to improve vibration characteristics of steering columns with bellows. To understand the effects of various design parameters on the collapse and vibration, sensitivity analyses are performed by finite element method using Taguchi's scheme. It is shown that the structure of upper mounting bracket is the most important parameter affecting the vibration characteristics. An optimal design is proposed for a lower tilt type steering columns.