刚体

一种求解刚体3D运动参数的鲁棒算法

A Robust Algorithm for Determining 3D Motion Parameters of a Rigid Body

本文讨论由非对称主刚体和n个轴对称转子组成的陀螺体。

A gyrostat consisting of an unsymmetric main rigid body and n axisymmetric rotors is discussed in this paper .

基于B样条插值函数的人脑MR图像非刚体配准方法

Non-rigid Method for Brain MR Image Registration Based on B-Splines Interpolation Function

基于非刚体配准的多分辨率B样条层间插值方法

Nonrigid Registration Based on Multi-level B-spline Interpolation Approach

基于CAD的四位置刚体导引机构解析设计

The Analytic Solution of Body Guidance Mechanism According to Four Position of Connecting Rod Based on CAD

应用三维刚体变换方程的PET与MRI坐标转换方法初步探讨

Study of gamma knife localization using the coordinate transform based 3D-rigid formula from PET to MRI

提出了一种B样条插值函数结合图像特征标记的人脑MR图像非刚体配准方法。

A hybrid non-rigid method is presented based on B-splines interpolation function and landmarks of the image for human brain MR images registration .

第二章通过介绍刚体运动与克里福特代数引入虚空间的概念，基于可达流形和接触流形建立机器人C空间障碍物边界，提出机器人实时无碰撞运动规划算法。

Chapter 2 introduces conception of image space and constructs the robot C-space obstacle boundary based on the reachable manifold and the contact manifold .

近十几年来，主动轮廓线（Snake）J卜始被应用到目标跟踪中，很多研究表明它很适合于刚体和非刚体的跟踪。

Investigation shows that " snake " is suitable for rigid or nonrigid target tracking .

对于船以不变的航速U与规则波成任意角μ遭遇时，作为刚体的船一般有六个自由度的振荡运动。

The rigid ship has six degrees when the navigating ship with constant speed U encounters the regular wave with the arbitrary angle μ .

计算时，以刚体弹道代替传统的质点弹道，利用多体动力学方法作理论分析，在solidworks和MSC。

While working substituting , conventional particle ballistic with rigid body ballistic , we do theoretical analysis with multi-body dynamic method , set up kinetic model of the system in solid works and MSC .

刚体力学ICAI系统的设计与实现

Rigid Body Mechanics ICAI System Design and Realization

winkler地基上弹性圆薄板受刚体撞击的动力响应

The dynamic response of an elastic circular plate on a viscoelastic Winkler foundation impinged by a moving rigid body

用刚体极限平衡法概念分析重力坝的深层抗滑稳定，有三种典型方法，即被动抗力法，剩余推力法和等K值法。

There are 3 typical methods in using rigid limit balance theory to analyze the dam stability against in deep layer , they are Passive Stress Method , Remained Pushing-force Method and Equal-k Value Method .

经典刚体动力学中表示刚体姿态的参数中，Euler角、Cardan角和Euler参数在工程技术中使用最为普遍。

Among various attitude representations of rigid body , the Euler angles , Cardan angles and Euler parameters are applied frequently in engineering .

研究带中心刚体的Timoshenko梁的刚-柔耦合动力学问题。

In this paper , the coupling dynamics of a Timoshenko beam attached to a central rigid body is investigated .

进而使用多刚体力学的Kane方程，并补充以必要的运动学约束关系，导出了求解系泊多浮体系统各浮体质心位移和摇荡角位移的动力学方程组。

With the Kane equations and the necessary relations in kinematics , the dynamic equations are deduced for moored multi body floating system .

简要介绍了Brach等人关于刚体碰冲动力学研究的一些结果；

Some new research results on rigid body impact dynamics by Brach and others are presented concisely .

本文论述了以多刚体系统动力学理论为基础，在ADAMS下建立汽车49自由度虚拟样机模型，并进行了系统动力学仿真。

In this paper , based on the theory of multi - rigid - body system dynamics , a virtual prototype of one passenger car with 49 degrees of freedom is developed under ADAMS .

采用四元数，古典的Rodrigues参数和修改的Rodrigues参数来描述刚体旋转运动。

In this paper , quaternion , classical Rodrigues and modified Rodrigues parameters are used to describe rigid body attitude .

6-UPS型并联机构的刚体动力学模型

Dynamics model on the 6-UPS parallel mechanism

利用Lagrange方程建立了曲柄滑块机构的动力学数学模型，在建模过程中考虑了连杆的弹性运动与机构刚体运动的耦合以及运动副的粘性摩擦。

Lagrange equation is applied to develop dynamic equations for the slider crank mechanism with elastic connecting rod . Viscous friction and coupling effect are considered between rigid body motion and elastic deformation of connecting rod .

本文提出在用圆心曲线和圆点曲线进行刚体导引时，采用AUTOCAD绘图软件包的指令文件，可自动生成圆心曲线和圆点曲线图形；

It is proposed in this article that in rigid guiding by means of deferent and circular point curve , the deferent and the circular point curves can be automatically generated using the instruction document in the AUTOCAD software paekage ;

将着服装人体简化为11刚体模型，参考Morison公式引入水动阻力，基于多体动力学软件ADAMS建立了航天员水下动力学模型。

An eleven-segment model was developed using the multibody dynamics software ADAMS to study suited human motions underwater . The modified form of Morison 's equation was used to evaluate the hydrodynamic resistance .

针对航天多刚体系统数学模型，基于Kane动力学方程，建立了适用于符号推导实现的计算机模型，生成了相应的仿真子模块。

The computational model of multi-rigid-body dynamic system based on Kane Dynamic Equation that applies to sign-reducing is established , and the corresponding simulation program module is formed in the end .

应用三维建模软件CATIA、多体动力学仿真软件ADAMS和有限元分析软件ANSYS，构造了柴油机曲柄连杆机构的多刚体动力学模型和将连杆柔性化后的多柔体动力学模型。

By using Three-dimensional modeling software CATIA and Multi body System Dynamics software ADAMS and the Finite Element Analysis software ANSYS , the multi-body dynamics model and make the connecting-rod flexibility for the flexible multi-body dynamics model are created .

采用2个节点和7个自由度的形式描述钢筋混凝土（RC）空间梁单元的变形，进而导出梁单元应变矩阵B，并根据一般刚体计算公式得出RC梁单元刚度矩阵Ke。

The element with two nodes and seven degrees of freedom was used to describe the deformation of reinforcement concrete spatial beam . The strain matrix B of the beam element was deduced . According to the equation of rigid body , the stiffness matrix of beam element was deduced .

在Kirchhoff衍射理论的基础上，应用随机信号相关原理，推导了作刚体运动的界面上反射超声散斑在空间运动时，保持其复振幅相关的必要条件。

Based on the Kirchhoff diffraction theory , the necessary condition for keeping the correlation of the complex amplitudes of the ultrasonic speckles back scattered from an interface in rigid body motion is deduced by applying the correlation principle .

并通过一个算例说明了以上原理的一般运用，最后讨论了本章所提的非保守力概念的丰富含义。第三，推导了刚体动力学的拟Hamilton变分原理和广义拟变分原理。

General application of those principles is demonstrated in a typical example . The concept of non-conservative force is also discussed in the end . Thirdly , the variational principle and the general variational principle of quasi-Hamilton for dynamics of rigid bodies are deduced .

在SolidWorks环境中分别建立纯刚体系统和使用柔性连接的动力学仿真模型，比较分析两种模型下的仿真结果，并绘制出主要力学参数与机构结构参数之间的对应变化曲线。

The simulation dynamics analysis is completed in the SolidWorks environment in both pure rigid body and using the flexible connection body , so the two analysis results are compared and the corresponding curves of mechanical parameters with structural parameters are also plotted .