查询词典 kinematics

On the basis of kinematics and geometry principle, a mathematical model for the crank rocker arm mechanism was established.

从运动学和几何学原理出发，建立了曲柄摇杆机构的数学模型，得出了工件中心点的瞬时速度和运动轨迹，并开发了相应的计算机动态仿真软件，以图形的形式显示了工件中心点运动轨迹曲线以及瞬时速度曲线。

The systems of machining complex curved surface by means of WEDM are classified to establish the main kinematics theories of machining complex curved surface by means of WEDM By analyzing various systems of machining complex curved surface by means of WEDM, the combination, characteristics, motion parameters and motion types of them are summarized And a model system of the is established according to the basic principles of the forming of ruled surface in spatial analytic geometry.

主要内容及取得的成果体现在以下几个方面：为了建立复杂曲面电火花线切割运动学的主要理论，本文对复杂曲面电火花线切割加工系统进行了分类，并分析总结出各种复杂曲面电火花线切割加工系统的组成、特点、运动参数及运动形式。

Research on the Basic Kinematics-Geometry Theory and Tool Positioning Strategy for 5-axis NC Machining;2. The paper introduces the construction features of undevelopable ruled surface integral impeller and two 5-Axis numerical control mill machining methods of vane shape which are "line contact" and "point contact".

文章介绍了不可展直纹面型整体叶轮的结构特点及五坐标数控铣削加工叶片型面"线接触"和"点接触"两种方式，分析了采用侧铣加工产生误差的原因，对加工中的不同工步及精加工薄叶片的特殊处理进行了分析，并提出了相应的解决方案，对整体叶轮的数控加工有一定的现实意义和实用价值。

A key element of the rear running gear is its trapezoidal-link rear suspension with completely new kinematics.

后面的一个装置运行的关键因素是其梯形连杆运动学与全新的后悬挂。

It appears that scapular kinematics and impairment features may predict improvement in subjects with SAIS.

总结来说，肩胛运动学和机能损伤特性可以预测肩峰下夹挤症候群接受物理治疗的成效。

Department of Automation, University of Science and Technology of China, HeFei 230027）Abstract: This paper presents a method of neural network for interactive-force manipulator on the base of kinematics and analyses of the explosive force of human arm mode and neural network theory such as function approach, optimizing calculation. The method optimizes the whole servo-system, and ensures the system's robust.

中文摘要：本文根据关节机械臂的运动特性，在分析用于测试人体手臂运动爆发力机械臂模型设计的基础上，利用人工神经网络的函数逼近、最优化计算等方面理论，结合实际人－机力交互系统的控制特点，提出一种神经网络控制方法，对基于力控制策略的机械手伺服系统进行优化，同时保证了系统的鲁棒性。

A new analytic scheme for solving the inverse kinematics equations of CRS robot manipulator was presented by the shift of the joint coordinates and the rotation coordinate system, which were significant to optimize the robot motion and path planning, and the formulas of calculating the sine and cosine of each rotate angle variable were solved.

通过关节坐标的转换和旋转坐标系统的引入，给出了CRS机械手逆运动方程求解的一种新解析法，直接推导出各个关节转角变量的反三角公式，为机械手的运动优化和轨迹规划创造了条件。

In order to research the overall dynamic performance of the robot,firstly,a overall structural design of the robot is carried out,and a 3D model of the 5-Dof robot is established in the Pro/E environment,then a three dimensional dynamic simulation research of the kinematics and dynamics is carried out using the ADAMS software,finally the rationality of the system design is discussed as well as the significance in the practical application according to the output results,which have been measured in the simul...

为了研究机器人的总体动态性能，首先进行了机器人的总体结构设计，并在 Pro/E环境下建立了五自由度机器人3D机械装配模型，运用ADAMS软件对其进行了运动动力学的三维动态仿真研究，最后根据测量输出结果讨论了系统设计的合理性以及在实际应用中的意义。对机器人的后续研究，这些研究成果具有一定的参考价值。

The purpose of this study was to investigate the kinematics and kinetics parameters change of human body take-off spike movement by single-foot in women's volleyball players.

中文摘要本研究主要目的在探讨女子排球选手在执行单脚起跳扣球动作时，人体在运动学及动力学参数方面之变化情形。

Two CPL MS25K high speed cameras（100Hz）was synchronized with an AMTI force platform（1000Hz） to collect the biomechanical parameters of taking-off spike movement by single-foot . The images were processed with Kwon motion analysis system to obtain kinematics parameters of run-up period, take-off period, and air-motion period, and the values were analyzed with Dasy Lab 6.0 software to obtain kinetics parameters changes of take-off period.

实验仪器以两台高速数位摄影机（CPL MS25K 100Hz）及一块AMTI测力板（1000Hz）同步撷取受试选手在执行单脚起跳扣球动作时之运动生物力学参数，拍摄后影像经由Kwon动作分析系统进行资料处理后，取得助跑期、起跳期及空中动作期之运动学数值，并结合DasyLab6.0分析软体，求出起跳期之动力学参数变化情形。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。