Joint rotation

Their joint rotation space ( JRS) of both side bars and workspace of coupler points are basic issues in designing planar parallel manipulators.

平面五杆机构是平面并联机械手的最基本形式，对其两连架杆转角空间及连杆点工作空间的研究是设计平面并联机械手的基本问题之一。

The curve of relation of joint moment and rotation angle, end-plate thickness and forced load-bearing characteristic of bolt are analyzed;

对节点弯矩&转角曲线关系、端板厚度和螺栓受力特点进行了分析；

Considering beam sagging moment capacity, joint moment capacity, joint rotation capacity and required rotation capacity, the plastic analysis method is suitable for the design of beams for semi-rigid composite frames under vertical loads at ultimate limit state.

塑性分析方法考虑了组合梁的跨中弯矩承载力、节点弯矩承载力、节点转动能力和设计需要的节点转动能力，适用于竖向荷载下半刚性连接组合框架梁的承载能力极限状态设计。

The pipeline deformation control criteria can be worked out by taking account of the strata movement, joint rotation and pullout of pipes, and the additional strain of pipes, etc.

管线的控制标准可以从地层移动、管线接头转角与脱开以及管线应变等方面考虑制定。

Racking human skeleton, and obtain information about each joint and rotation with inexpensive, simple data processing, real-time advantages. First, study the algorithm to repair self-occlusion body joint information.

这种方式具有数据处理简单，实时性高、价格低廉等优点。首先，本文研究了人体自遮挡关节点信息的修复算法。

The Motion capture technology based on optics has attracted more and more attention. But the precision and speed in converting from the marker space position to human motion parameters is still a problem, in which estimating the center of the joint rotation is the key duty.

基于光学的运动捕捉越来越受到人们的重视，但是将捕捉到的Marker点空间位置转换成为人体运动参数的精确性和快速性还是问题，其中关节中心的估算是问题的关键。

Based on the achievement of the former, the overall structure are proposed and designed, including modular joint based on elastic rotation drive and the arc-type bionic leg-end structure.

在此基础上，对八足机器人进行了总体结构的设计，完成了基于弹性转动驱动的模块化关节及圆弧式仿生足端结构设计。

Results 7 ulnars were extended by 1.5~ 5.3 cm. The dislocation of radius head was spontaneous reduced, and deformities of hand varus and cubitus varus were remarkable alleviated. At the same time, cubital joint flection and forearm rotation function were improved.

结果7例尺骨分别延长1.5~5.3cm，脱位桡骨小头自行复位，手内翻和肘内翻畸形明显减轻，肘关节屈伸和前臂旋转功能亦有改善。

This paper presents the series-parallel-connection model with considering joint rotation.

本文对在竖向地震作用下的巨型框架结构采用考虑节点转动的串并联多质点系模型；

Investigation of experimental methods used in measuring steel beam-to-column joint rotation

钢框架梁柱节点转角测试技术现状研究

Because the joint rotation restraint is smaller than that of the rigid connection, therefore under the same load function, the former joint corner obviously is bigger than the latter;

半刚性连接由于节点的转动约束较刚性连接小，故在相同荷载作用下，前者的节点转角明显大于后者；

The joint's moment and rotation angle curve is analyzed;

分析了节点受力时的弯矩转角曲线关系；

Results: Snap, cross lock; tenderness in joint space; rotation crushed test were important in indentifying meniscus lesions.

结果：弹响、交锁、关节间隙压痛及回旋挤压试验对诊断半月板损伤具有重要意义。

At first, the effects of segment thickness of shield tunnelling on the lining behavior, such ac internal force, deformation and radial joint rotation etc.

讨论了盾构法隧道管片厚度大小对其本身内力变形以及接头转角等受力性能的影响；

Some bottom fixing assemblies of the temporary casing string have been designed such as air-liquid helical flow mixed nipple joint, groove casing shoe, anti-abrasive casing nipple joint and anti-backoff rotation device.

设计了气液旋流混合短节、防挂坡口套管鞋、耐磨套管短节、防倒扣旋转装置等临时套管柱下部固定结构。