查询词典 friction force

Contact-state recognition takes a great role in robotic assembly manipulation. After modeling the force-sensing uncertainties and approximating the Coulomb friction cone with polyhedral cone, a linear programming procedure is formulated to test the feasibility of an assumed contact state.

对装配操作中接触状态的转移过程及其实现进行了分析，建立了接触约束网络图的构造过程，提出了操作中接触状态路径的规划算法以及接触状态改变与转移的机器人有关运动参数的求解方法及其优化指标。

The results show that the side wall angle is the major factor, the influence of the friction coefficient between the roller and the tube billet on the external diameter ovality and the wall thickness unevenness is secondary, and the influence of the ratio of side wall radius on the rolling force and the wall thickness unevenness is the least.

结果表明：侧壁角是最重要的影响因素，管坯和轧辊间的摩擦因数对外径椭圆度和壁厚不均的影响居于次位，侧壁半径比对轧制力和壁厚不均的影响最小。

Keywords: Friction, molecular dynamics, slip length, atomic force microscope, nanotube

中文关键词：摩擦，分子动力学，滑移长度，原子力显微镜，纳米碳管

The practice proved the socketed pile used friction ineffective treatment at the top can lower the surface of force efficiently. This type of foundation can be popularized in near shore projects.

探讨了振弦式压力盒在刚性接触面应力监测中的应用及存在的问题和监测成果修正方法；重力式嵌岩锚的传力机理；影响重力式嵌岩锚安全监控模型的因素。

Large quantity simulation analyses about some factors, which influence the hydroforming for real axle housing, such as bulge ratio, route of loading force, friction coefficient and tube blank characteristics, are operated separately with the dynamic explicit finite element analysis software LS-DYNA.

利用动显式有限元软件LS-DYNA，对影响后桥壳液压成形的胀形比、加载路径、摩擦系数、管坯材料性能等因素分别进行了大量的模拟分析。

To further improve the precision of sizable parallel 6-axis force platform with gemels the basis of present manufacture and calibration techniques, the paper adopts the sign function, and presents the friction model of platform with Stewart structure based on the screw theory and theory of influence coefficient.

在已有制造工艺及标定技术基础上，为进一步改善大型铰接并联六维测力平台的测量精度，本文基于螺旋理论和影响系数原理，引入符号函数建立了Stewart结构大型铰接六维测力平台的摩擦模型。

The results show that the friction between hoop cable and joint will cause tension redistribution in hoop and radial cable of structure,led to uneven force distribution of the same hoop cable,increase displacement of some joints and axial stress of some bars in the lattice shell, and static properties of the structure will be obviously affected,but the dynamic and stability characteristic almost will not.

计算结果表明，环索与节点间的摩擦会导致结构环索及斜索张力重分布，致使同圈索力分布不均匀，使部分网壳杆件轴向应力和节点位移增大，对结构的静力性能影响最大，而对动力和稳定性能基本没有影响。

So the most ? when the people mule it call it a Prusik,and a Prusik is good because it give you the most friction ,if you are on a new slippery rope,this one will have the most chance to force in.

普鲁士结非常的好使，它能产生很大的摩擦力，如果你用的是一条又新又滑的绳子，这种结能最大限度的承受拉力。

Test measure using in the test for axial force is different from previous measure, which overcome effect of friction between plunger piston bending work roll and chock in dynamic test.

轴向力测试采用了不同于以往的方法，直接测出作用于工作辊的轴向力，克服了动态过程中弯辊柱塞与轴承座之间的摩擦影响，还可反映出圆周方向的分布。

Breakers impact the working principle: stone from the machines directly into the upper part of the high-speed rotary dial, in the role of high-speed centrifugal force, and another part of the umbrella-type approach to divert around the target in the dial-a high-speed collision with high-density Smash, stone in the fight against each other, the Wheel and the case will be formed between the eddy current campaign against each other many times, friction, grinding, through discharge from the bottom.

冲击式破碎机的工作原理：石料由机器上部直接落入高速旋转的转盘，在高速离心力的作用下，与另一部分以伞型方式分流在转盘四周的靶石产生高速度的撞击与高密度的粉碎，石料在互相打击后，又会在转盘和机壳之间形成涡流运动而造成多次的互相打击、磨擦、粉碎，从下部直通排出。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。