1) three temparature free path
三温自由程
2) temperature coefficient of free length
自由程温度系数
3) triradicals
三自由基
1.
Theory study on triradicals systems with heterocycles as ferromagnetic coupling units;
杂环做铁磁耦合单元的三自由基体系的理论研究
4) 3-DOF
三自由度
1.
Static Structural Stiffness 3-DOF Test System Development;
结构件三自由度静刚度测试系统
2.
A system based on parallel mechanism for measuring 3-DOF plane movement;
一种基于并联结构的平面三自由度位姿测量系统
3.
Design of anti-windup based on a scheme of 3-DOF internal model control;
基于条件技术的三自由度内模控制抗饱和设计
5) three degree of freedom
三自由度
1.
A new scout robot system having three degree of freedom is described in this paper.
介绍了一种新型的三自由度侦察机器人系统。
2.
Based on the instantaneous motion, the singular configuration conditions and simplified singular configuration equations are obtained for the three degree of freedom triangular platform type parallel manipulators.
该方法以动平台瞬时运动为基础 ,建立奇异位形条件 ,从而获得简化的奇异位形判别方程式 ,以三自由度三角平台并联机器人为例对这一问题进行研究 。
6) Three degrees of freedom
三自由度
1.
Dynamic modeling of a novel hydraulic servo with three degrees of freedom joint;
一种新型三自由度液压伺服关节的动力学模型
2.
The structure of the single stator ultrasonic motor with three degrees of freedom and its operational principle are introduced.
介绍了单定子三自由度超声电机的结构及实现三个自由运动的原理 ,制作了该超声电机的驱动电路 ,并根据控制目标设计并实现了该超声电机的运动信号的检测和位置控制 ,实验结果表明该超声电机的输出轴在一定范围内能够精确地按照预定轨迹达到空间的任一位置。
3.
A permanent magnet biased electromagnetism bearing (PMEB) with three degrees of freedom is presented when the radial-axial actuator is combined into a combination radial-axial actuator.
为了使磁轴承系统减小尺寸、改善动态性能和降低成本 ,提出一种将轴向磁轴承和径向磁轴承的功能相结合的永磁偏置三自由度电磁轴承 ,对其磁悬浮机理进行了研究 ,用等效磁路法建立了这种电磁轴承轴向力和径向力数学模型 ,利用三维网格图直观地分析了轴向力和径向力的耦合状况 ,理论分析表明 ,在平衡位置附近这种磁轴承 3个自由度之间是解耦的。