A Stephenson Ⅱ six-bar linkage, has various rotatabilities corresponding to different circuits and the input link may oscillate with respect to the frame through an angle more than 360°.
引言平面连杆机构可用于刚体导引、路径生成和函数综合，这些机构大多数由单向旋转的电动机驱动，这就要求综合出来的机构必须保证曲柄的存在。
Furthermore, the polynomial equation of the loci of the acceleration pole described on the coupler plane for a four-bar linkage can be obtained by using the coordinates transformation.
再利用坐标转换原理，可以得到描绘在耦杆平面之加速度极心轨迹的多项式方程式。
The simplest closed-loop linkage is the four-bar linkage, which has three moving linksand four pin joints.
最简单的闭合链是4点链接，它有3个动态链接和4个连接通道。
This paper offers an accurate analytical method of synthesis of plane four bar linkage.
本文提出了综合平面铰链四杆机构的精确解析法。
Examples that analyze vibration of cantilever and four-bar linkage are given respectively.
给出基于随机有限元的悬臂梁、平面四杆机构的机械振动分析计算实例。
An experimental study of a planar four-bar linkage with a clearance was carried out to measure the relative motion between shaft and bearing.
本文对具有间隙的平面四杆机构进行了实验研究，测量了轴销相对于轴套的运动。
The kinematic analysis of the planar four-bar linkage and dimensional six-bar linkage can be done by building up the structural equations.
平面四杆机构和空间六杆机构的运动学分析可以通过建立闭链的结构方程来实现。
Four-bar linkage; straight line; synthesis
四杆机构；直线；综合
This method is demonstrated by the singularity analysis on two basic kinematic chains and one ten-bar complex linkage.
用二个基本运动链及一个十杆复杂机构的奇异分析来演证该方法。
Law of this pumping unit was analyzed according to working principle and structure feature of four-bar linkage and assembly pulley. The formula for calculating displacement of the landing top is derived.
根据四连杆机构和滑轮组机构的特点和工作原理，对CYJBZ10-8-73HY摆轮增程式长冲程抽油机进行了运动分析；推导了悬点位移的计算公式。
Transmission properties of temporal inactive joints in multi linkage mechanisms were studied by analysing the self locking performance of 4 bar and 6 bar linkages using TIJ concept.
为推导多杆机构的瞬停节传递特性，利用瞬停节的概念分析了 4杆机构和 6杆机构的自锁性能。
The plane four-bar linkage, the plate cam and follow, and the slider-crank mechanism are familiar examples of planar mechanism.
平面四杆联动机构、平面盘形凸轮及从动件、以及曲柄滑块机构等都是平面机构的常见例子。
This paper gives a precise definition about crank angle between extreme positions for planar four-bar linkage and deduces the range of crank angle between extreme positions of crank-rocker mechanism, slider-crank mechanism and crank shaper mechanism.
对平面四杆机构极位夹角的定义作了较确切的表述，并推导出了曲柄摇杆机构、曲柄滑块机构和摆动导杆机构极位夹角的取值范围。
Five - bar linkage with two free degrees; Existence condition of crank
二自由度五杆机构；曲柄存在条件
The optimal design of a six-bar linkage to be used in the main driving mechanism of a gear planer is discussed and treated as a multi-objective problem.
本文首先讨论了在插齿机主传动机构中使用的六杆机构的优化设计问题，并建立了一个多目标数学模型。
The application of plane four-bar linkage to a lifting mechanism of a dumper is presented in this paper.
介绍了平面四连杆机构在自卸汽车举升机构中的成用。
Finally, Working space of parallel five-bar linkage actuated by rubbertuators under condition of decoupling of end-effector's stiffness and limitation of rubbertuator's contracting rate is analysed. This method can also be used to other robot which is actuated by rubbertuators. Then on a five-bar linkage developed by ourselves, the DCC method is tested. The experimental results confirmed the positive function of DCC method and rubbertuator on implementation of tasks of compliant robot.
提出了在末端刚度解耦及人工肌肉收缩率限制条件下的机构工作空间分析法；根据机构柔顺运动的特点，提出了机构运动的轨迹规划方法；在自行研制的实验机构上实施了在机构末端任意设定刚度的柔顺作业实验，实验结果证实了直接柔顺控制法和人工肌肉驱动器用于柔顺作业机器人的良好作用。
In this paper, the optimization of four-bar linkage luffer of portal crane is studied. In the math model, the successful examples are considered, that enhance the optimization precision and introduce Genetic Algorithms, combine engineering tightly, that settle the difficult in the traditional optimization successfully.
本文以门座起重机四连杆变幅系统及杠杆——活对重臂架自重平衡系统的独立模型及综合模型为研究对象，同时考虑成功的设计实例，从而提高了优化模型的精度，采用一种新型优化算法——遗传算法，紧密结合工程实际，较为圆满的解决了优化过程中存在的问题。
The translating device is chain drive, and the operator is four bar linkage mechanism in this design. This design`s structure is simple, perspicuity and utility.
本次设计的装置传输部分采用链条传动，执行机构采用平行四连杆完成运动。
The translating device is chain drive, and the operator is four bar linkage mechanism in this design. This designs structure is simple, perspicuity and utility.
本次设计的装置传输部分采用链条传动，执行机构采用平行四连杆完成运动。