The paper puts forward an eccentric speed - regulating pulse - type stepless transmission and introduces its work principle . by analyzing motion and dynamics of new pulse - type stepless transmission , workout responsible 根据平面四杆机构等效转动惯量的计算公式,计算了该变速器的等效转动惯量,计算了等效转动惯量的变化率? ?脉动度,分析了动载荷的影响。
The geared five - bar linkage has more dimension parameters than four - bar linkage , so it can realize more versatile locus curves and its curves are complex and unpredictable . then it ' s more difficult to research geared five - bar for it ' s more parameters 齿轮?五杆机构由于比铰链四杆机构具有更多的参数，因而它能够实现比四杆机构更为丰富的轨迹，并且其轨迹曲线往往比较复杂而难以预测。
The vibration absorption effects of damping aluminum - alloys , zinc - alloys and damping alloy interlayer beam are tested through a four bar linkage mechanism and the test results are carried out a contrastive research with numerical analysis results , and it is found that response curves obtained by test are similar with those given out by numerical calculation 以铰链四杆机构为研究对象，测试了铝基、锌基阻尼合金及阻尼合金夹层梁的阻尼减振效果，并与数值分析结果进行了对比研究，结果表明实验结果和数值计算结果基本吻合。
By means of establishing mathematic model for the influence of synthetic accuracy of track of planar four - bar linkage affected by manufacturing error of bar length , the sensitive coefficient of manufacturing error of bar - length was deter mined and the law of influence on synthetic accuracy of track affected by manufacturing error of bar length was analyzed 摘要通过建立杆长制造误差对平面四杆机构轨迹综合精度影响的数学模型，确定了杆长制造误差的敏感系数，分析了杆长制造误差对轨迹综合精度的影响规律。
The mechanisms and conditions for the mechanisms to adjust itself were analyzed in detail . an accurate method of analyzing for the properties of the mechanisms without overconstraints was given for the first time , we obtained the equations of self - adjusting displacement in the cylindrical pair , the allowable kinematic - pair - axis errors which enable the mechanisms realize function of self - adjustment , and the most rational arrangements of kinematic pairs for the three common four - bar mechanisms . the results of analysis show that the influences of the errors of crank - pin on the self - adjusting properties of the mechanisms are bigger than that of the other pairs ( 3 )详细分析了无过约束机构能够实现自调的机理及机构能够实现自调的条件，首次提出了无过约束机构自调性分析的一种精确方法，得到机构自调时圆柱副中的自调位移规律和机构能够实现自调的运动副允许误差角以及三种常用平面四杆机构的自调结构的最适宜的运动副配置方式。
In the design of four - bar linkages driven by motor , the mass - distribution is used to counteract the fluctuation of system and improve the performance . at the same time , this paper applies an adaptive neuron pid controller for nonlinear time - variable system . it efficiently lessens the fluctuation , accompanying with mass - redistribution 在电机驱动的平面四杆机构设计中，首先对机构进行质量平衡，这不但减小了速度波动，而且也简化了状态方程；再针对系统的状态方程非线性、时变特性选用单神经元自适应pid控制器的方法，有效的消除了系统的速度波动。
The third chapter proposed three ways in making three - dimensional animation based on collecting all databases , which are the key of developing cai software . the author built the animations of belt drive and chain drive independently using 3ds max and solidworks . at the same time , a general machine and moving of balls were animated by some program languages 用3dsmax与solidworks结合制作了机械设计课程中的带传动、链传动的三维动画；用编程语言开发了机械原理课程中的铰链四杆机构的动画仿真；阐述了编程语言与应用软件结合开发动画的原理，且用vb与autocad结合开发球体沿正弦曲线运动的动画的例子来说明二者结合的一般方法。
Basing on the positional characteristics of double cusps produced in the track of link points of planar four - bar linkage and combining with the synthetic equation of conventional track generator , the constraint equation set for the position of track generator that could realize two cusps ; and by means of successive elimination to obtain the most simplified forms of constraint equation set 摘要基于平面四杆机构连杆点轨迹产生双尖点的位置特性，结合常规轨迹发生器综合方程，建立了能实现双尖点的轨迹发生器的位置约束方程组，并经过逐次消元，得到了约束方程组的最简形式。
