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- Based on principal screw theory and imaginary mechanism method,the transient kinematic characteristics of a three degree-of-freedom spatial parallel manipulator with three UCR limbs are analyzed. 基于反螺旋理论与虚拟机构法对一种特殊3-UCR并联机构的瞬态运动特性进行了分析。
- principal screw theory 反螺旋理论
- Furthermore, the present positioning scheme on the basis of screw theory only adapts to simple surfaces. 针对这种情况,提出了基于旋量理论的复杂曲面定位算法。
- The Jacobian matrix of velocity of the PMT is obtained by using screw theory and the asymmetry of the matrix is analyzed. 利用螺旋理论求得了该机床的速度雅可比矩阵,并对其非对称性进行了分析。
- The structure of knowledge base for mechanism kinematic schemes, screw theory and dual vector representation are introduced briefly. 摘要简要介绍了机械运动系统方案设计知识库的结构和螺旋理论及对偶矢量表达。
- Firstly, the kinematical characteristics of this mechanism in its initial position and in the position after a translation happened were analyzed by reciprocal screw theory. 首先,用反螺旋理论分析了在初始位置和发生位移后该机构的运动特性。
- Further, both derivational approach and screw theory are applied for the Jacobian analysis of 3-RSR parallel manipulator, and analysis on its singularities is also carried out. 用求导法和螺旋理论求得雅可比矩阵，且进行了奇异性分析。
- Introduce the definitions of active wrench, inertial wrench, partial velocity twist, partial velocity twist matrix, and screw theory Kane dynamic equations for open-chain manipulators. 摘要简介了主动力旋量、惯性力旋量、偏速度旋量、偏速度旋量矩阵及开链机器人旋量理论凯恩动力学方程。
- Screw and reciprocal screw theory 螺旋与反螺旋理论
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- The brackets want an extra screw. 托架需要再加一个螺钉。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。
- She drank in every word of the principal's lecture. 她全神贯注地听校长演讲的字字句句。
- Application of screw theory to Stewart structure static calculation 应用螺旋理论进行Stewart平台机构的静力学计算
