在运动学的基础上推导了磨纹长度、磨纹数量以及磨削稳定周期公式。
The length of trajectory, the number of grinding marks and the stable grinding period were deduced.
对虚位移原理在运动学中的应用做了初步探讨，建立了“虚功率方程”。
This article approaches the application of the principle of virtual displacement to kine-matics, sets up the"virtual power's equation", and provides a new research method for kine-matics.
本文根据掌握的大量并联机器人文献，对其在运动学、动力学、机构性能分析等方面的主要研究成果、进展以及尚未解决的问题进行了阐述。
With the discussions of some of the recent results on kinematics, dynamics, performance analysis, the open problems in parallel manipulator research are identified.
在运动功能相对较好的脑瘫患儿铰链和动态的支撑同样有效改善踝关节的运动学和动力学。
The hinged and dynamic braces were equally effective for improving ankle kinematics and kinetics in these relatively highly functioning children with cerebral palsy.
应用水阻力估算公式，建立击针在运动过程中考虑水阻力时的运动学方程。
An estimated resistance formula was used to establish the firing pin's kinematic equations in which the water-resistance was calculated.
然后，建立了机器人的运动学模型，并讨论了机器人的移动性问题，得出机器人存在运动的条件。
Then, the kinematic model is modeled and the mobility is discussed in the paper. And the motion condition equation of the robot is gotten in sequence.
然后，建立了机器人的运动学模型，并讨论了机器人的移动性问题，得出机器人存在运动的条件。
Then, the kinematic model is modeled and the mobility is discussed in the paper. And the motion condition equation of the robot is gotten in sequence.
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