查询词典 parallel bar

A computer host shell, consists of one side plate, backplate installed on this side plate, top and bottom plate respectively installed above and below this side plate and backplate, panel installed on this side plate and opposite with the backplate, and another side plate opposite to this side plate, in which, this side plate is used for installing the mainboard with different frameworks, this backplate includes: one frame, which has one of the first opening and one of the second opening for installing the power supply; one of the first piece, with several slots in parallel and several bar pieces arranged between adjacent slots; one of the second pieces, with a connector opening and several vents; the first piece and the second piece are installed at the second opening in parallel, and both may be removed and exchanged their positions to meet with the mainboard with different framework.

一种计算机主机机壳，包括一侧板、安装在该侧板上的背板、分别安装在该侧板和背板上下两侧的顶板与底板、安装在该侧板上且与背板间隔相对的面板，以及与该侧板相对的另一侧板，其中该侧板用于安装不同架构的主机板，该背板包括：一框架，该框架上设有用以安装电源供应器的一第一开口及一第二开口；一第一片体，其上设有若干并列的槽孔及设在相邻槽孔之间的若干栅片；一第二片体，其上设有一连接器开口及若干通风孔；第一片体和第二片体并列安装在框架的第二开口，且两者均可拆卸并交换两者在框架上的安装位置以适配不同架构的主机板。

A new design for a 3-DOF parallel manipulator has been conceived in the form of the architecture of the Cassino Parallel Manipulator [3] by using four-bar linkages in the legs and a symmetric design in order to obtain a user-friendly design and easy operation, although parallel manipulators may have complex design and nonintuitive operation.

一台3－DOF 并行操作器的一种新设计已经被以Cassino 并行操作器的建筑的形式设想 [3]为了获得一种便于用户操作的设计和容易的经营通过在腿和一种匀称的设计里使用4 间酒吧的连杆，虽然并行操作器可能有复杂的设计和nonintuitive 操作。

A multiple-step beams model was established to analyze the static stiffness characteristics of the double parallel four-bar mechanism with right angle flexible hinges based on the symmetry of the structure. Formula for calculating the static stiffness was derived by applying singularity function. On the basis of this analysis, the factors influencing the stiffness performance of the double parallel four-bar mechanism were studied from its geometric parameters, and the theoretical model was verified by finite element method.

根据其结构的对称性建立了静刚度分析的阶梯梁模型，引入奇异函数法推导了柔性双平行四杆机构的静刚度计算公式，在此基础上，分析了柔性双平行四杆机构各尺寸参数对其静刚度的影响，并采用有限元方法对理论模型进行了验证。

In the first method, you step under the bar and cross your forearms into an "X" position while resting the bar on the dimple that is created by the shoulder muscle near the bone, keeping your elbows up high so that your upper arms are parallel to the ground.

在第一法你步下吧，你的前臂交叉成一个"X"位置，而律师的酒窝休息即创造的肩膀附近肌肉骨骼、手肘高高举起，让你保持你的上手臂平行地面。

The blade according to claim 13, further comprising a blade rooting part including at least one blade attachment bar which is elongate, composite, and twistable about a longitudinal axis, and extends outside the shell by passing through the blade root, the at least one composite bar of the at least one spar having a longitudinal axis substantially parallel to the longitudinal axis of the blade, the end of the at least one attachment bar, on the side opposite the shell, being arranged in linkage attachment to the rotor hub, the at least one attachment bar of the rooting part being integral with the at least one composite bar of the at least one spar and comprising reinforcing fibres agglomerated by the thermoplastic resin.

刀片根据索赔13 ，进一步组成的刀片生根的一部分，其中包括至少一个刀片实习大律师公会是伸长，复合材料，和twistable约一长轴，并扩大外壳，通过叶根，至少有一个综合酒吧的至少有一个SPAR公司有一个长轴大致平行的纵向轴的刀片，结束对至少有一个实习酒吧，就一侧对面的壳，现正安排在联系实习，以转子枢纽的地位，在至少有一名实习律师生根的一部分，正在积分与至少有一个综合的酒吧至少有一个SPAR公司组成的加强纤维烧结由热塑性树脂。

Kinematics and dynamics modeling and analyzing method of a 3-RRRT parallel robot was studied. Kinematic model of the 3-RRRT parallel robot was set up with both the branch bar's relative coordinates and movable platform's absolute coordinates used as it's generalized coordinates. On the base of Kane's equation, dynamics model of the 3-RRRT parallel robot was built. Dynamic Numerical simulation of the 3-RRRT parallel robot was finished by using Matlab software, and so it provides valuable reference for motion control strategy of the 3-RRRT parallel robot.

研究一种3-RRRT新型高速搬运机器人运动学与动力学建模及分析方法，以支链构件相对运动坐标和动平台绝对运动坐标作为广义坐标，建立了3-RRRT型并联机器人的运动学模型，结合带乘子的凯恩方程建立了3-RRRT型并联机器人的动力学模型，并利用Matlab软件平台进行了动力学数值仿真，进而为3-RRRT型并联机器人的控制策略研究提供参考。

Based on the parallel bar system,combining with the synergetic method,the catastrophe theory and also the acoustic emission test,two new activated statistical damage models for quasi-brittle solid are developed,which could simulate the whole damage and fracture process of material when exposed to quasi-static uniaxial tensile traction.

通过对连续损伤力学与细观统计损伤力学的基本理论进行比较，指出现有损伤力学模型的缺陷和不足，将混凝土材料细观损伤对宏观力学性能的影响重新概括为断裂损伤和屈服损伤两种模式。

The main work of this paper: Firstly, Basing on the summarization and analysis of the walking mechanism, Parallel drive five-bar mechanism is applied for walking mechanism. And then the characteristic of the trail and positive kinematics as well as reverse kinematics are discussed. Secondly, the model of walking mechanism is established according to Parallel drive five-bar mechanism, and then a figure planning is designed for the foot-end trail. The characteristics of the parallel drive are emphasized to research in this paragraph by the method of insert value. At last, the simulation is performed in the ADAMS to compare the real result to the theoretical value. Thirdly, a sealed structure of a Quadruped Walking Robot is designed and established. The whole control system, including motor, sensor and control circuit, is sealed in the robot. Walking is derived in the way of the shaft driving and the dynamic torque sensor is used to the surrounding conditions of the robot's foot-end to be the foundation of the robot's control. At last, the applying principle of the dynamic torque sensor is researched in detail basing on the traditional sensor of the walking robot. Moreover, the principle is divided into several sorts to discuss. Finally, simulation and verification of the monitor principle are come through in the Mechanism of the Pro/Engineer.

论文的主要工作有：在对传统步行机构总结分析的基础上，提出将平面并联五杆机构应用于四足步行机器人的腿部结构，并对其轨迹特性、正运动学、逆运动学特性做了详细计算分析；依据平面并联五杆机构的模型，建立机器人步行机构的实体模型，对其足端的轨迹做了图谱规划，并利用插值法对并联驱动端的特性曲线作了研究，并在ADAMS中进行仿真，将结果与理论值相比较；然后设计了一套四足步行机器人密封装配结构设计方案，建立四足步行机器人单足结构、驱动以及传感器监测的三维实体模型，将机器人的整个控制系统，密封装配在步行机器人的机体中，通过轴传动来驱动步行机构实现步行，采用动态扭矩传感器监测步行机构的驱动关节受到的扭矩变化，从而获得四足步行机器人足端的周围情况，为步行机器人的控制方案奠定了基础；论文的最后在分析步行机器人传统控制传感器的基础上，详细分析了动态扭矩传感器的监测原理，并分几种情况分别分析了其监测原理，并在Pro/E的Mechanism模块中实现了监测原理的仿真与验证，最后给出了传感器监测信息与系统判断之间的关系。

This paper takes a kind of parallel robot with 2-DOF actuation redundancy as the object of study and according to the spatial model of the parallel robot mechanism and the reverse solution of dynamics,the relationship between the function target of output speed of the tip of this parallel robot mechanism and the dimensions of bar components was probed.

以一种平面2自由度驱动冗余并联机器人为研究对象，根据该并联机器人机构的空间模型和运动学反解，探讨了该并联机器人机构的末端输出速度性能指标与杆件尺寸之间的关系，并绘制了相应的性能图谱，这些图谱是该并联机器人机构设计的重要参考依据。

As a kind of fine adjusting devices, six-bar parallel mechanism is widely used to adjust mirrors' attitudes and keep stable in synchrotron radiation beamline. Parallel mechanism is a new adjusting device.

三者的核心部件即光学元件的稳定与调节均由精密调节平台完成，六杆并联机构以其独特的优点，在同步辐射光束线中得到了越来越多地应用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。