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궤도형 로외차량의 주향 및 견인 성능 예측 컴퓨터 시뮬레이션
김경욱(K.U.Kim),신범수(H.Shin),김채주(C.J.Kim) 한국자동차공학회 1993 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
An integrated computer simulation program was developed to predict mobility and tractive performance of tracked off-road vehicle. Input variables for the simulation involve the parameters about soil conditions and vehicle with engine/transmission characteristics. The simulation predicts soil thrust and motion resistance for the tractive performance index. For the mobility index, the simulation predicts a time-distance and time-speed relationship, maximum speed and whether go or no go for a given vehicle.<br/> A typical simulation result showed that M60AI Tank was not able to move on Hope Valley snow due to the greater motion resistance than the tractive force. It also showed that M60AI Tank could move at the maximum speed of 48 km/h on Clay soil and traveled 750 m in 70 seconds after starting.<br/>
궤도의 초기 장력이 궤도형 주행 장치의 접지압 분포에 미치는 영향
김경욱(K.U.Kim),김채주(C.J.Kim),신범수(B.Shin) 한국자동차공학회 1993 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
On the most conditions, the ground pressure distribution under the track is nonuniform. It has a form of peak pressure under each road wheel in contact with a ground. The variations of ground pressure distribution occur when the initial track tension varies. Finding out the relation between the ground pressure distribution and the initial track tension enables one to improve the tracked vehicles. The simulation of the ground pressure distribution was developed to describe the effects of initial track tension on the ground pressure distribution. Increasing the inital track tension on the clayey soil, MMP(maximum mean pressure) decreased exponetially. As the spaces of the roadwheels were narrow, the effects of the initial track tension were shown to be little.<br/>