실험계획법을 이용한 Steering Vibration 최적설계
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The Steering vibration is one of the major contributors to the perceived quality in a vehicle. Especially, the steering vibration is the important role at the idle status. So it has a lot of effort to improve the steering vibration. The Steering vibration is related to the steering column, IP Structure and BIW (body in white) structure. In this paper, Design parameters are limited to IP Structure and BIW (body in white) structure and we will find important optimization design parameters among many design parameters through DOE and Kriging method. Also, we will find the optimized shape through the shape optimization analysis to improve the steering vibration and minimize the mass increase.