A method of describing and analyzing for the degree of influences ( doi ) of the kinematic - pair - axis errors on the performance of a mechanism was presented for the first time , and results of doi of the different errors from the different kinematic pairs were obtained 本文对机构自调特性分析的结果表明，在不同的运动副配置位置及运动副存在不同的误差情况下，误差对机构重庆大学博士学位论文自调性能的影响程度(也即机构对误差的敏感度)是不同的。
The results of analysis show that : 1 ) doi of the pin - axis errors , especially the crank - pin - axis errors , is bigger than other axis errors ; 2 ) from the calculating results of doi of the errors of the different kinematic pairs , doi of rotate - completely pairs is bigger than that of oscillate pairs ; 3 ) the forced coupler - deformations resulted from the constraints out of motion plane consist of twisting and bending deformation , and the deformations are variat ( 4 )首次提出了运动副误差对平面连杆机构约束不确定性影响度的评判指标和单因素定量分析方法，得到了机构中不同运动副的不同平面内的误差对机构性能的影响程度。本文的分析计算结果表明，平面连杆机构中的非平面约束所造成的连杆强制变形中既有扭转变形又有弯曲变形。
Piston - linkage mechanism , as the mechanism to transfer the power of engine , bearing the heavy gas - explosive force , inertial force etc , is easy to arise vibration and noise . besides , the joint clearance in mechanism could also irritate the vibration and worsen the dynamic properties of mechanism 作为内燃机动力传递机构的活塞连杆机构，由于在周期性的工作循环中，承受着强大的气体作用力，往复惯性力、离心惯性力等的冲击，极易引起振动和噪音；同时由于运动副间隙的存在加大了振动的影响，恶化了机构的动态性能。
Furthermore , it was the first time to make a systemic analysis and study to the motion rule and affected factors of this kind of transformer . with the applications of relative polar method and equal view angle method , the transformer that satisfies the requirement of transmission rate and output motion is synthesized . thus , an original non - frictional stepless speed regulator with a 1 . 5kw input power , a 1500 rotation speed , a constant150output rotation speed and a maximum 300 output rotation speed was achieved 在此基础上利用相对极点法和等视角法按传动比及输出运动的要求对转换器进行了综合，得出了输入功率1 . 5kw ，输入转速1500 ，额定输出转速为150 ，最大输出转速300的新型的非摩擦式无级变速器的基本尺寸参数并应用adams软件对其进行了优化；最后对该非摩擦式无级变速器进行了过约束分析，提出了新型的非摩擦式无级变速器无过约束分析的机构运动副的配置方案。
This machine is used for straight - line bevel cutting and bevel grinding and polishing for flat glass , in certain condition , it can be also used in bevel cuttig , bevel grinding and polishing for soft stone panel . the contrilling system adopts plc , it can accomplish automatic grinding cutting after entering processing parameter , convery speed adopts speed adjustment of fre quency conversion , direct drive of wheel head motor , all motions for joining in parameter adjustment completely adopt straight - rolling guide - track with front beam and wheel head lifting lntegrally . the transmission of input and output adopts synchronization tooth belt and photo - electricity switch positioning , and position limitation of two pass is much more reliable Sxm371pa型玻璃直线斜边磨边机是用于玻璃直线斜边斜切，斜磨及光抛的专用设备，在一定条件下也可以用于软石板材的斜切斜磨及抛光。控制系统采用plc控制。输入加工参数后可自动完成磨削传送速度采用变频调速，磨头电机直接传动，所有加工参数调整运动副全部采用直线滚动导轨，前梁与磨头整体升降，输入输出传送采用同步形带，光电开光定位，双行程限位更安全可靠。
Based on an algorithm for solving the time - dependent coefficients nonlinear differential equations numerically , computer software is developed which has an easy - to - use interface . the dynamic response to elastic deformation and stress in key parts and forces acting on the bearings under various parameters and working conditions can be calculated 在研究求解该时变系数非线性微分方程组数值解法的基础上，开发了具有良好人机界面的仿真软件,可以计算出多种参数和工况条件下关键点的弹性位移、应力和运动副反力的变化规律。
On the basis of symbolization links and kinematic pairs , defines link - pair relating matrix and pair - pair adjacency matrix that can portray its structure properties , and then designs strategy and arithmetic of structure analysis intelligentized and establishes their models and software ' s framework 本文以常用级机构为对象，分析其运动学结构组成，在符号化其构件和运动副的基础上，定义反映其结构特征信息的杆副关联矩阵和副副邻接矩阵。然后设计机构结构智能化分析的策略与算法，构建相应的模型及其软件系统的结构。
A linear programming method of vector loop used in the analysis of mechanism motion and its error was introduced , the possibility of using the sensitivity of kinematic analysis for error was analyzed , and it was proposed for the error analysis model of the mechanism to make equivalent substitution for the dimensional error with basic kinematic joint element ( kinematic pair ) and as well to implement the linear programming method of vector loop for error analysis within the adams 摘要介绍机构运动分析与误差分析的向量环路线性规划法，分析运用运动分析灵敏度进行误差分析的可能性，提出在机构误差分析模型中用基本运动连接元素（运动副）对尺寸误差进行等价替换，使误差分析向量环路线性规划法在adams中实现。
This thesis , on the basis of modern theories of vibration , ked analysis and finite element method , sets up a kinetic model of piston - linkage mechanism of diesel engine , by i - deas software of sdrc usa , which involves the effect of joint clearance in mechanism . by the presumption of " transient structure " in ked analysis , the mechanism " s dynamic responses in every transient structure conditions are calculated , and it provides a reliable theory basis for the optimization design of diesel engine 本课题基于现代机械弹性动力学理论以及有限元分析方法，利用美国sdrc公司的- deas软件，对含运动副间隙的柴油机的活塞、连杆机构建立了动力学模型；运用ked分析中的“瞬时结构”假定，计算出了机构在各瞬时结构条件下的动态响应，从而为柴油机优化设计提供了可靠的理论依据。
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。
