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自由度机构
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  freedom mechanisms
     THE DESIGN OF PLANAR MULTI DEGREES OF FREEDOM MECHANISMS WITH DECOUPLED DYNAMICS
     动力学解耦的平面多自由度机构的设计
短句来源
     THE TYPE SYNTHESIS FOR THE 2 FREEDOM MECHANISMS
     两自由度机构的型综合
短句来源
     The Movable Condition of Two freedom Mechanisms
     两自由度机构的可动性条件
短句来源
     The movable condition and its calculating method of two freedom mechanisms have been proposed in this paper,with five bar linkage as example .
     以五杆机构为例,建立了两自由度机构的可动性条件及其计算方法。
短句来源
     The method mentioned here can be expanded to ordinary two freedom mechanisms.
     此方法可扩展到一般两自由度机构
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  “自由度机构”译为未确定词的双语例句
     The optimization design and the technology of computer simulation of the two freedom mechanism are discussed. These methods have general meaning.
     同时探讨了双自由度插补机构的优化设计方法以及双自由度机构的计算机仿真技术,这些方法对于其他双自由度机构的设计及计算机运动仿真有一定的参考价值。
短句来源
     Analysis and Design of Variable Freedom Mechanism Based on Topological Theory
     基于拓扑理论的变自由度机构分析与设计
短句来源
     Topological Type Analysis of the Variable Freedom Mechanism Based on the Metamorphic Principle
     基于变胞原理的变自由度机构拓扑型分析
短句来源
     Study on the Function and the Application of Mechanism with Changeable Degrees of Freedom
     变自由度机构的功能及应用研究
短句来源
     First, the principle and the structure of the force loading system are introduced.
     论文研究了并联六自由度机构力加载系统的原理和结构;
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  相似匹配句对
     Exploration on the Formula of Degree of Freedom of Space Mechanism
     空间机构自由度计算
短句来源
     Analysis and Application of Mechanism with Indefinite Freedom
     变自由度机构分析及应用
短句来源
     Kinematic Analysis of Mechanism
     机构的运动分析
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     Distribution of Institutions
     机构分布
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  freedom mechanisms
In closed spatial single-degree-of-freedom mechanisms six dependent joint variables must be expressed in terms of a single independent variable.
      


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在本文中提出了一种按给定传动比规律的平面铰接四构件机构综合方法,它不仅能用于不变传动比规律下的综合,而且能用于任何变传动比规律下的综合。本文作者直接从传动比偏差出发,作出一个二自由度的机构,应用Н.Γ.Бруевич院士提出的转化机构的速度图,取得了一个新的加权偏差表达式,使参数权与常数相差极小。两个机构参数可先根据其他附加条件(如保证机构具有有利的传动角数值以获得良好的动力学特性等)加以选定;然后再用平方逼近法求介其余两个机构参数,以提高再现给定传动比规律的精确度并简化计算。文中对介题过程中的一些具体问题作了相应的提示,并将本法与其他各种方法加以比较。文末附有计算示例,计算结果表明了本法的优越性。在本法的基础上,还可以拟定其他四构件机构(如曲柄滑块机构、导杆机构等)及多构件机构相应的综合方法。

In this paper,the methods of eliminating the unknown elements in analyzinf the single close-loop and one degree freedom spatial mecha- nisms with rotating transformation tensors have been presented.These methods are simple,clear and effective,specially,certain methods which eliminate elements by taking the advantage of the properties of rotating tranformation tensor are simpler than other methods that are used now in the domestic and foreign countries.These methods had been developed recently to reduce the triviality...

In this paper,the methods of eliminating the unknown elements in analyzinf the single close-loop and one degree freedom spatial mecha- nisms with rotating transformation tensors have been presented.These methods are simple,clear and effective,specially,certain methods which eliminate elements by taking the advantage of the properties of rotating tranformation tensor are simpler than other methods that are used now in the domestic and foreign countries.These methods had been developed recently to reduce the triviality in analyzing the spatial mechanisms.In this paper,a table of unit vectors is presented to facilitate the reference.To combine the calculating methods of the rotating transformation tensor and of vector algebra is the main character of this paper.

本文提出用回转变换张量法进行空间单闭链单自由度机构运动分析的消元方法。这些方法简单明了、行之有效,特别是其中义些运用回转变换张量本身所具有性质进行消元的方法,与国内外现行其他方法相比较是最为简单的。这些方法在解决空间机构运动分析的繁琐性方面有所创新。文中提出空间机构单位向最表,可供使用时查阅,并通过单位向量表把回转变换张量和向量代数的运算方法结合起来,这是本文的主要特点。

A new method of kinematic analysis of planar mechanisms with lower pairs, which is well suited for a Complex mechanism with multiple degree of freedom, is presented in the paper. It is always valid, no matter how the input-link is connected with the fram. A major advantage of KAPM program based on the technique, is rapid convergence and high accuracy with poor initial guesses, of course, it is easer to us(?) and spread in engineering.

本文介绍了一种平面低副机构运动分析的新方法。此方法适用于多杆、多自由度机构的运动分析,无论主动构件与机架相连与否它均有效。建立在此方法基础上的KAPM程序,勿需良好的初始位置的估值,且迭代收敛快,计算精度高,宜于在工程界中推广。

 
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