The velocity constraint subspace of each branch chain was obtained by means of solving the screw system of each branch chain of 3-PTT parallel mechanism.
通过求解3-PTT并联机构各支链的螺旋系得到各支链的速度约束子空间。
Furthermore, the constraint condition, sand property and loading velocity all affect the pipeline stability to a certain degree.
管道的约束条件、砂床特性和加载速度对管道稳定性均有影响。
The guidance method satisfies terminal angular constraint as reentry vehicle hitting target, but also ensures minimum loss of maneuvering velocity for reentry vehicle.
该方法利用最优控制理论的思想方法，不仅使飞行器命中目标时满足了终端角度约束的条件，而且保证了再入飞行器机动速度损失最小。
This system can realize the detection of the non-rigid moving object and the estimation of the background velocity through the Level-Set method and piece-wise smooth motion field constraint.
该系统采用水平集方法，利用分段平滑运动场的约束条件，实现非刚体运动目标检测和背景的运动估算。
Through the research of the use of fractal methods for seismic velocity inversion under multiple constraint, Concrete compute method and process were put forward in this paper.
本文介绍了分形理论在井约束地震速度分形反演方面的应用原理，提出了具体的方法、计算流程。
On the other hand, the anisotropic diffusion equation was introduced in the oriented smoothness constraint so that the computation of flow velocity in the motion discontinuity can be improved.
另一方面将各向异性扩散方程引入方向平滑约束，以改善包括运动不连续处的流速计算精度。
When the radius-to-thickness ratio, constraint condition and material parameters are given, the buckling mode is from axisymmetric to unaxisymmetric as impact velocity increases.
当径厚比、约束条件、材料参数等不变时，随着冲击速度的增大，屈曲由轴对称变为非轴对称。
FLAC-3D is adopted to simulate the influence of end constraint on patterns of shear bands, velocity and displacement fields.
采用FLAC - 3d模拟了端面效应对岩石试件剪切带图案、速度场和位移场的影响。
Presented is an analysis of the motion transmitting characteristics of constant velocity joint (CVJ) and Cardan joint when the axes of the joints move arbitrarily in the constraint permitted space.
研究并基本解决了轴线相交且做允许的任意空间运动时等速万向节和十字轴式不等速万向节的运动传递特性的分析问题。
Presented is an analysis of the motion transmitting characteristics of constant velocity joint (CVJ) and Cardan joint when the axes of the joints move arbitrarily in the constraint permitted space.
研究并基本解决了轴线相交且做允许的任意空间运动时等速万向节和十字轴式不等速万向节的运动传递特性的分析问题。
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