rigid motion

In this paper, head motion characteristics is analyzed, and it can be classified into three motion types, head rigid motion, simple motion of facial expression and complex motion of facial expression.

为此，该文分析了头部运动的特点，并把它分为头部刚体运动、脸部表情的简单运动和脸部表情复杂运动3种形式。

Dimension Synthesis and Motion Simulation of Slider-Crank Mechanism for Rigid-Body Guidance with Prescribed Timing

曲柄滑块刚体导引机构的尺度综合与运动仿真

Lagrange equation is applied to develop dynamic equations for the slider crank mechanism with elastic connecting rod. Viscous friction and coupling effect are considered between rigid body motion and elastic deformation of connecting rod.

利用Lagrange方程建立了曲柄滑块机构的动力学数学模型，在建模过程中考虑了连杆的弹性运动与机构刚体运动的耦合以及运动副的粘性摩擦。

A calculation formula of equivalent rotating inertia is derived from particle kinetic energy and rigid shaft rotating kinetic energy theory and rigid plane motion theory.

采用理论力学中的质点系动能和刚体绕回转轴转动动能理论以及刚体平面运动理论，推导出了单自由度平面四连杆机构转化到原动件（曲柄）上的等效转动惯量统一数学表达式。

Mechanics is the study of the motion of collections of rigid bodies under given forces.

力学是研究刚体集合在力作用下的运动.

Presents a space motion model ( SMM) of multiple rigid bodies with varying mass for the description of the intercept problem of homing missiles with roll stabilization.

已经发表的自寻的非滚转导弹拦截问题的数学模型往往是平面模型或空间质点模型。

In this paper, it is presented a new method of the kinematic study of spherical mechanisms from that the position description of the rigid-body spherical motion is contrasted with that of the planar. It made the kinematic study of spherical simple.

本文将刚体球面运动的位置描述与平面运动的位置描述相对应，建立起一种研究球面机构运动学的新方法，使球面机构的运动学研究大为简化。

Secondly, the idea of the inertial couple reference point of a rigid body in plane motion is presented and discussed, and an example is given to illustrate the application of the result.

其次，讨论并给出了平面运动刚体上的惯性力偶基点的概念，并举例说明。

Kinematics and dynamics of mechanical systems including rigid bodies in plane motion.

机械系统的运动学与动力学包括刚体的平面移动.

Simplification of the rigid body dynamic model for a 6-UPS parallel kinematic machine under the accelerated motion and the decelerated motion

加减速运动条件下6-UPS型并联机床刚体动力学模型简化研究