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이춘승(Chun Seung Lee),이일섭(Il Sup Lee),임홍재(Hong Jae Yim),김민수(Min Soo Kim),이상범(Sang Beom Lee) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The purpose of this paper is to develop a systematic design method for the suspension system hard points and compliance elements which have much influence on the handling stability of a vehicle. In this paper, a method to optimize J-turn responses is presented using the design of experiments, multi-body<br/> dynamic analysis and optimum design technique. The design variables with respect to I-tur<br/> characteristics are selected through the experimental design sensitivity analysis using the perturbatio<br/> method. An objective function is defined as an approximate function for the J-turn characteristics using the TSA(Taylor series approximation). The values of the design variables which make the I-tur characteristics optimized are extracted using the conjugate gradient method. The result of the J-tur simulation shows that the optimized vehicle has more improved handling stability than the original vehicle.