| 1. | Nonholonomic constraint means that the constraint equation contains the time derivative of the systematic generalized coordinates , which are not integrable
非完整约束是指约束中含有广义坐标的导数,且这些导数不全部可积。 |
| 2. | The adjustment of pivot position of the middle link in planar 6 - link watt - type linkage is classified . the corresponding constraint equations of each mechanism are presented
对平面六杆瓦特型机构中间杆固定铰链中心位置的调节进行了分类，并给出了约束方程。 |
| 3. | And on this basis , the finite element model of case typed radar antenna structure integrated with plate unit and entity unit was established on the basis of handling method of coupling and constraint equations
并在此基础上，基于耦合和约束方程处理方法，建立了板单元和实体单元相结合的箱体式雷达天线结构有限元模型。 |
| 4. | The main work is as follows : features and constraints in the reconstruction of cad models are classfied in detail , and the constraint equations about structural parts constituted by regular surfaces are given
完成的主要工作如下：对结构件建模中所遇到的各类特征、特征间的约束进行了详细的分类，并给出由规则曲面组成的结构件cad模型的约束方程。 |
| 5. | The over - constrained and under - constrained problem can be solved naturally in our approach because that a constraint problem is transformed into an optimal problem does n ' t entail that the number of constraint equations equal to the one of constraint variables
由于将约束问题首先转化为优化问题的过程中，并没有要求约束变量的数目与约束的数目相等，因此可以自然地求解欠约束问题和过约束问题。 |
| 6. | This paper presents the images of circular points of the plane on which the 1d object translates , the constraints of circular points to camera intrinsic parameters , and the numerical solution to the constraints equations ( and then we obtain the camera intrinsic parameters )
摘要给出了平移运动的一维物体所在平面的虚圆点图像及其对摄像机内参数的约束，和约束方程的数值求解方法，从而获得摄像机的内参数。 |
| 7. | Then , the paper designs the covering - path planner of the window - cleaning robot0 thirdly , the kinematics model of the dexterous window - cleaning robot , or structurealterable two - vehicle , is established for controlling , and the nonholonomic constraint equations are illustrated
设计了灵巧擦窗机器人遍历运动规划控制器。第三，建立了面向控制的灵巧擦窗机器人?可构形双车体运动学模型，推导了该机器人的非完整约束方程。 |
| 8. | 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。 |
| 9. | To model the flexible impact system , finite element theory and mode method were respectively used to establish the dynamic equation of the rotating flexible beam , then impact models were built using constraint equation and hertz contact theory , they were differential / algebraic equation and complicated nonlinear equation respectively
对于柔性撞击系统的建模问题，分别采用有限元思想和模态法建立了作回转运动的柔性梁动力学模型，然后又分别利用约束方程和hertz接触定律给出了其与固定斜面发生接触的撞击模型，指出它们的动力学方程分别为微分代数混合方程及复杂的非线性动力学方程。 |
