Based on active control method, an active sliding mode control strategy was proposed, which enables uncertain chaotic systems to reach sliding mode plane within finite time.
基于主动控制思想，提出了一种主动滑模控制策略，使得从任意初始条件出发的不确定混沌系统在有限时间内到达滑模面。
It is known that in plane finite element calculation the bearing load must be transformed into force of nodal.
在平面有限元计算中，必须把轴承负荷转为节点力。
The paper evaluates the limitations that semielliptical surface crack in a shaft is simplified to a unilateral crack in a finite boundary plane and a cross straight line crack in a semi infinite body.
评价了将轴表面半椭圆裂纹简化为有限边界平板的单边裂纹问题和半无限体表面穿透直线裂纹问题来处理的局限性。
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