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손정현(Jeong-hyun Sohn),김광석(Kwan-suk Kim),유완석(Wan-suk Yoo) 한국자동차공학회 2002 한국자동차공학회 지부 학술대회 논문집 Vol.2002 No.10
The shimmy vibration analysis of a passenger car is carried out using the computer simulations. In this paper, a hydraulic power steering system is developed using DADS user-defined subroutine and used to power steering simulation. The simulation shows that steering wheel torque with HPS module is less than that without HPS module. In addition, the shimmy vibration at the steering wheel is simulated with DADS and compared to the test data. Lateral displacement of the steering wheel is calculated imposing the lateral acceleration of the knuckle as a vibration input. The frequency response of the steering wheel shows a good agreement to the test data.<br/>