姿态

In order to effectively adjust attitude motion of interceptor missile by combine control, an attitude control method was presented.

为了有效地调整复合控制拦截弹的姿态运动，提出了一个姿态控制方法。

According to rigid motion theory and composition law of vectors, the relative position and orientation errors of mating surfaces of mating parts were computed.

基於刚体运动学原理，研究了装配工夹具的姿态偏差对零件配合面位置偏差的影响，推导了配合件和基础件相应配合面的位置和姿态偏差的计算公式，建立了机器人装配系统零件配合过程的误差分析模型。

In the past, the estimation of an object in motion is done by using inertial sensor. The conventional approach can not apply to the object under a linear acceleration. Although, in most cases, the object to be measured work under linear acceleration.

以往使用量测惯性的感测器所组合成的姿态估测器，大部分都只能在没有运动加速度的状态下使用，可是实际上我们想量测姿态的对象，是很难不具有运动加速度的。

Finally, based on the relative observation data of LS and CCD, the position of objects in local coordinate system can be obtained.

在近景目标三维测量系统中，是根据GPS定位平台的姿态角，通过GPS平台、激光扫描仪及CCD相机之间的固定位置关系，得到CCD相机、激光扫描仪的姿态参数，依据扫描仪和CCD相机对地物点的观测，解算出地物点在当地坐标系下的坐标。

To the problem that the isotropy and the technological efficiency of the parallel kinematic machine based on Stewart platform are not satisfactory, a novel architecture of 6-DOF 3-dimensional platform parallel kinematic machine (6-DOF 3-D PPKM) based on the 2-2-2-SPS 3-D PPR is presented. The technological efficiency of design of the parallel kinematic machine is analyzed. Its workspace and the effect of design parameters to the workspace volume are studied. By using the submatrices of Jacobian matrix and force Jacobian matrix, the kinematics/mechanics transmission isotropic indices, kinematics transmission indices, load-bearing capacity indices at any configuration of the parallel kinematic machine are proposed, respectively.

分析其结构和装配工艺性，研究其定位姿工作空间及机床结构参数对工作空间大小的影响，基于Jacobian矩阵和力Jacobian矩阵中同量纲元素构成的子阵，提出该并联机床在任意位姿的运动／力学传递各向同性评价指标、运动学传递能力评价指标和承载能力评价指标；基于柔度矩阵中同量纲元素构成的子阵，提出该并联机床在任意位姿的力-位置柔度评价指标、力-姿态柔度评价指标、力矩-姿态柔度评价指标和力矩-位置柔度评价指标；研究各性能指标在定位姿工作空间内的分布情况。

TheAdvancestoIP Multimedia Subsystem architecture, built on the 3rd Generation Partnership Project 2 (3GPP2)'s Multimedia Domain, supports both IMS/MMD and non-Session Initiation Protocol services. In terms of network operation, A-IMS as extensions to IMS/MMD enhances the IMS/MMD network security with the addition of Security Operation Center, posture agent, etc. Some parts of the A-IMS framework are still under development sUCh as terminal support for the posture agent, security information exchange, and security policy definition.

改进的IP多媒体子系统基于3GPP2的多媒体域架构，包含了所有IP多媒体子系统/多媒体域业务功能，并增加了对非会话发起协议应用的支持；从网络运营的角度，针对IMS/MMD网络安全提出了一些扩展和补充，如增加了安全操作中心和姿态代理等，使IMS/MMD网络的安全性得到了较大改进。A-IMS仍处于框架性描述阶段，还有很多细节尚不明确，如终端对姿态代理的支持能力、安全信息交换的内容、安全策略的具体定义等，有待于进一步研究。

A mathematical model of interceptor missile was constituted based on moment of momentum theorem. And with a view to mathematical model and fire logic of thrusters, a neural network controller of attitude motion system was designed for interceptor missile: acquiring basal controller based on simple method, and adjusting control parameters of simple controller using neural network.

首先基于动量矩定理建立了拦截弹姿态运动的数学模型，然后针对数学模型和推力器点火逻辑的特点，设计了拦截弹姿态运动系统的神经网络控制器。

In this paper,nacelle attitude driven by reaction wheels and the full digital decoupling control system of high delicacy torque sensor are studied.

该文研究了一种利用飞轮的反作用力矩作为吊篮姿态控制力矩的惯性轮力矩台控制系统和由高灵敏度扭矩传感器进行吊绳扭矩检测的全数字反捻控制系统组成的吊篮姿控系统，实现了气球吊篮空中姿态的定点问题。

This paper stated the application of parallel link mechanism in modern machine tools,set up the error analysis as to parallel link mechanism in the virtucal-axis machine tool,derived the double triangular error equations of parallel link mechanicsm in its horizontal posture,analyzed the linearity and non-singularity of the error equations,thus giving the normal splution to the horizontal posture error.

该文对并联机构在现代机床上的应用作了论述，建立了虚拟轴机床并联机构的一种误差分析方法，应用坐标变换原理导出了双三角并联机构水平姿态时的误差方程组；分析了误差方程组的线性和非奇异性，给出了水平姿态时的位姿误差正解；对工作空间中心线的误差分布规律进行了仿真，绘制了其误差分布曲线。

We must lead not in the spirit of a patron, but the spirit of a partner.

我们必须以伙伴的姿态，而不是以施舍者的姿态进行领导。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。