In order to obtain critical speed when articutaled-frame vehicles(AFV) drive stability, the driving stability of AFV with hydraulic steering system moving along a straight or a small curvature road was studied.

• 为了获得车辆稳定行驶的临界车速,对铰接式车辆沿直线或大曲率半径曲线行驶时的稳定性进行了研究。