查询词典 CAD

An accurate model of the motor system can be used to design a proper servo control system. At last, the estimation methods in the thesis can be easily transformed into CAD programs, and we can perform parametric estimation by using I/O data of real systems.

最后在本篇论文的这个系统判别法则可以很容易的转换成电脑辅助设计程式，并且可由实际系统的输入输出资料来取得较佳的参数估测。

Presents a grid-based intersection algorithm of parametric surface and plane, which is characterized by effectiveness and conciseness, and has been successfully implemented in the RP data processing software.

这种算法简单、实用，已成功地应用于基于CAD模型直接分层的RP数据处理软件中。

Template method was used in IVCD system to quickly and easily build vehicle body concept geometry model and FEM model. This IVCD can integrate body design, analysis and optimization on one CAD platform through parametric variable database and all parametric variables were shared and updated in different phase of IVCD.

IVCD基于车身模板技术，可快速生成车身概念结构几何模型和有限元模型；它还基于参数数据库集成了车身设计、分析和优化，实现了参数共享和更新，并采用知识向导界面，易学易用。

The parametric design method, which has good application prospects, is one of important research directions in CAD.

参数化设计方法己经成为计算机辅助设计的一个重要研究方向，有着良好的应用前景。

The design,application strategy and key technology of the design subsystem based on feature parametrization for Crankshaft are discussed in detail.

着重讨论了零件基于特征参数化设计的设计思想、实现策略和关键技术，对建立微机CAD/CAM集成系统具有一定的参考价值

An advanced CAD computer software that have performance of dynamic navigation and parametrization is used to design absorption systems, making it possible to improve the quality and efficiency of products and decrease the period of design and renew of units.

详细地介绍了利用故障树分析和事件树分析进行系统故障诊断的基本原理，以及利用这两种方法定性和定量的数学分析方法。

It is not ideal to design cone bit with ordinary CAD method owingto the complexity of the bit's structure, therefore a parametrization design method is presented.

牙轮钻头结构复杂，设计困难，使用普通的计算机辅助设计方法难以收到理想的效果。为此，研究了牙轮钻头参数化设计方法。

An artificial method of constrained coassembling process plan based on VRML model includes setting slide – rotary connection constraint; selecting artificial assembling body model; confirming constraint type of each component to its front or back end component in open or closed loop mechanism; calculating translation and rotary matrix of each component in moving course and its position parameter; generating time – order – path matrix and key frame as per time section; writing each key frame in reverse mode into interpolator of each component VRMC model; adding route in sequence between time and position sensors, position sensor and component form node for generating artificial picture.

本发明属于CAD协同产品设计技术领域，其特征在于：在网络环境下，设计者依托装在节点机上的三维VRML模型，以设计者与设计场景交互方式按照以下步骤实现有约束协同装配工艺规划：设定滑动转动联接约束；选定仿真装配体模型；确定开环或闭环机构中各零部件与它的前端和后端部件的约束类型；计算各零部件在运动过程中的平移和转动矩阵，再根据相应的约束计算运动过程中各零部件的位置参数；再据此生成零部件的时间-顺序-路径矩阵，按时间段形成关键帧；把各关键帧分别以逆序写入VRML各部件模型的插补器，依次在时间传感器和位置传感器之间、位置传感器和零部件造型节点间加入路由，生成仿真画面。

It is exact, reliable, simple and pellucid for the method to be proved.

以凸轮反求为例，按照常规反求方法，一般是对原有凸轮进行坐标三维测量，然后根据所得到的数据构建凸轮的CAD模型，再进行加工仿制。

The basic process of three-dimensional parameterized design for the piercer guide board series has been described in this article as well as its necessity and superiority with CAD.

介绍了穿孔机导板系列三维参数化设计的基本过程，及运用计算机进行导板三维参数化设计的必要性和优越性。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。