First, the classification of singularities of parallel mechanisms is studied.
本论文将首先研究并联机构奇异位形的分类问题。
A novel series-parallel manipulator was designed according to the characteristics of series and parallel mechanisms.
根据串联机构和并联机构的特点，设计了一种串并联机器人新机型。
The method presented has great reference value for the further study of 5-DOF parallel machine tools or parallel mechanisms.
这些分析方法对深入研究5自由度并联机床或并联机构具有较大的参考价值。
The work of this thesis established the theoretical basis for the further research and application of these two parallel mechanisms.
论文的研究工作为进一步研究利用上述两种少自由度并联机构奠定了理论基础。
In this paper all types of the planar parallel mechanisms with three freedoms used in planar virtual axis machine tools are analysized.
研究了能用作平面虚拟轴机床的三自由度平面并联机构的可能的类型。
The results will be useful for motion control of redundant parallel mechanisms and improving gross performance of parallel manipulators.
这些结论为冗余并联机构的运动控制以及靠冗余驱动提高机构性能提供参考。
Dynamics model of typical serial and parallel mechanisms were presented, which could be used to analyzed the static and dynamic stiffness.
针对典型的串联和并联机构，建立了动力学模型。分析了在外力输入时机构的静刚度和动刚度。
Some conditions of the tensions of wire-driven parallel mechanisms are pointed out and a new method for tension distribution is presented.
指出了绳牵引并联机构的拉力应满足的一些条件，提出了一种新的拉力分布方法。
Since parallel mechanisms are increasingly used in robot structures, research on parallel robot mechanisms becomes more important than ever.
在机器人结构型式中，并联机构的应用越来越广泛，因此关于并联机器人机构的研究也日趋重要。
The variable topology parallel mechanism is a series of parallel mechanisms, which have the similar topology but different mechanical characteristics.
变拓扑并联机构是一类拓扑结构相似，机构特性不相同的并联机构。
Due to the tremendous difficulties in type synthesis of symmetrical minor-mobility mechanism, there existed no symmetrical 5-dof parallel mechanisms before.
由于具有对称结构的少自由度并联机器人型综合难度极大，目前国内外尚未有对称结构的五自由度并联机器人。
There are abundant and complicated singularities in parallel mechanisms, which have great effects on the accuracy, stiffness and motion ability of parallel mechanisms.
丰富而复杂的奇异位形是并联机构的一个重要特点，位形空间中的奇异位形对并联机构的精度、刚度以及运动性能有着重要的影响。
The results verify the relation between actuation redundancy and singularity reduction, which provides a reference for further improving the performance of parallel mechanisms.
其结果证实了冗余驱动与奇异降维之间的关系，对于进一步提高并联机构的性能提供了参考。
Firstly, utilizing the reverse screw, the characteristics of instantaneous motion of 3-RRRRR parallel mechanisms under its initial position and under the general condition were analyzed.
首先用反螺旋分析了3 -RRRRR并联机构在初始位置下和在一般情况下的瞬时运动特性。
Deep and clear understanding of singularities of parallel mechanisms is the fundament to reduce or eliminate the effect of singularity and improve the performance of parallel mechanisms.
对并联机构奇异位形的特性进行深入的研究是减小和消除奇异位形的影响，提高并联机构性能的基础。
The nc system's universal modules include the decipher module, the human-computer interaction module and the tool track simulation module which can be used in common by parallel mechanisms.
该系统的通用模块是译码模块、人机交互模块、刀具轨迹仿真模块等，它们适用于各种结构并联机构。
Compared with the general 6-dof (degrees of freedom) parallel mechanism, lower-mobility parallel mechanisms have advantages of simple structure, low cost in design, manufacturing and control.
空间少自由度并联机器人机构和传统的六自由度并联机构相比，具有结构简单，设计、制造和控制的成本都相对较低的特点。
At present, various types equipments based on parallel mechanisms are becoming an important complement to traditional serial equipments, and playing an increasingly important role in many areas.
目前，基于并联机构的各种装备正成为传统串联装备的一个重要补充，在许多领域发挥着重要作用。
There are frequential mechanisms that connect these overlays of parallel dimension, and these create gateways to other timeframes and realities that coexist differently within these unique areas.
在叠加的平行维度之间有些频率型的（或者理解为能量型的吧）机制来联接它们，而且这些装置制造出通往其他时间框架和实相的门户，这些不同的实相在这些独特的区域里以不同形式共存。
All sorts of sorting, searching, and numerical algorithms are amenable to parallel decomposition. in the future, standard library mechanisms like Arrays.sort .
所有的排序、搜索和数字算法都可以进行并行分解(以后，像Arrays . sort这样的标准库机制将会使用fork - join框架，允许应用程序免费享有并行分解的益处)。
The reliability of the parallel symmetric crank and block mechanism caused by the non symmetry of the two mechanisms is analyzed.
分析了平行对称曲柄滑块机构由于两侧机构的不对称性而引起的防卡可靠性。
In this paper, the principle of structure and key to design for some parallel indexing CAM mechanisms with large indexing Angle was introduced.
本文介绍了几种大分度角平行分度凸轮转位机构的结构原理与设计要点。
From the production mechanisms, the catalytic waves of organic compounds are divided into catalytic hydrogen wave, parallel catalytic hydrogen wave and parallel catalytic wave.
由催化波的产生机理可将有机催化波分为催化氢波、平行催化氢波和平行催化波。
Based on the relations between parameters of mechanisms and topology of configuration space, the singularity-free parameters design problem of a general parallel robot is studied.
研究了并联机器人的参数优化设计问题。分析了机构参数与位形空间拓扑性态之间的关系。
The latter combination included series-parallel switching mechanisms which were troublesome .
后一种联合使用的形式包括令人厌烦的串--并联的开关。
Message blocks and message-passing functions let you write parallel applications without requiring synchronization mechanisms such as locks.
使用消息块和消息传递函数，无需同步机制(如锁)即可编写并行应用程序。
Hooke joint, as a kind of joint mechanism, which can supply two DOF revolution, has found a wide application in mechanisms of various style parallel robots.
虎克铰作为一种能够提供两个自由度的铰链机构，在各种机构形式的并联机器人中得到了广泛的应用。
It was illustrated how to utilize and extend the message-passing mechanisms provided by GOOMPI to transfer user-defined data structures and develop parallel programs effectively.
并研究了如何利用并扩展GOOMPI的消息传递机制来传递用户自定义数据结构，以有效地开发并行程序。
Recently, similar improvements have been obtained using alternative mechanisms that do not focus on a single part of a memory but operate on all of it in parallel, in a uniform way.
现在类似的提升可以通过另外一种机制达到，这种方法并不会聚焦于记忆的一个单独的部分，而是对记忆所有的部分依照一种统一的方式并行操作。
Recently, similar improvements have been obtained using alternative mechanisms that do not focus on a single part of a memory but operate on all of it in parallel, in a uniform way.
现在类似的提升可以通过另外一种机制达到，这种方法并不会聚焦于记忆的一个单独的部分，而是对记忆所有的部分依照一种统一的方式并行操作。
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