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송준규(J.G.Song),윤용산(Y.S.Yoon) 한국자동차공학회 1994 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this papa, acceleration feedback controlled four wheel steering(AF4WS) without using observer is developed. To make the acceleration feedback controlled 4WS, the time derivatives of the body side slip velocity and the yaw rate are used. The AF4WS is constructed successfully by proper selection of the feedback control gains for these variables. And also Active Roll Stabilization control (ARS) are desinged. Conbining these two control strategies in harmony, the improved handling characteristic and ride quality are achiedved.<br/>
김두영(D.Y.Kim),김성수(S.S.Kim),송준규(J.G.Song),유규열(K.Y.Yoo),민황기(H.K.Min) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
The qualities of castings are deeply influenced by the sand mold in iron casting. The strength and permeability of asnd mold are influenced by mixing conditions of sand, organic binder, non-organic binder, water and etc. This paper describes the optimized mixing conditions with robust design method.