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首页> 外文期刊>The International Journal of Advanced Manufacturing Technology >Conceptual design system in a Web-based virtual interactive environment for product development
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Conceptual design system in a Web-based virtual interactive environment for product development

机译：基于Web的虚拟交互环境中用于产品开发的概念设计系统

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摘要

In this research, a Web-based conceptual design prototype system applied with open-source software (e.g., Java, PHP, etc.) is presented. Aside from the online conceptual design kernel interpreter module, it consists of four parts; a module to extract 3D component hierarchical configurations; a module to plan and view the assembly paths for 3D components; a module to set up the motion paths of components; and, finally, a module to handle the viewing direction of any component or assembly to show the 2D projected drawings in real time. In the first online module, it combines the chosen primitive features with Boolean operators. This module is programmed with the Java 3D module in order to build the CAD components on the platform of interactive design. Then, it infers the 3D configuration by analyzing the 3D modeling history. The configuration is described by a parent-child hierarchical relationship and the relative positions between two features. The positioning information is computed with respect to the VRML specification. The operation and control of the VRML objects is by the behavior modules of a Java applet, which plans the exploded/unexploded paths of the 3-D parts assembly and is specified interactively on the different components. Meanwhile, assigning the viewing direction to show the dynamic assembling process and generating projected drawings is automatically carried out by following the viewpoint assigned by the user. Finally, the system creates the motion file, in VRML format, for the assembly paths and behavioral simulation. This research offers a new virtual environment for collaborating design issues and discussion.
机译：在这项研究中，提出了一种基于Web的概念设计原型系统，该系统应用了开源软件（例如Java，PHP等）。除了在线概念设计内核解释器模块之外，它还包括四个部分：提取3D组件分层配置的模块;计划和查看3D组件装配路径的模块;建立组件运动路径的模块;最后，还有一个模块，用于处理任何零件或组件的观察方向，以实时显示2D投影图。在第一个在线模块中，它将选定的基本特征与布尔运算符结合在一起。该模块使用Java 3D模块进行编程，以便在交互式设计的平台上构建CAD组件。然后，它通过分析3D建模历史来推断3D配置。通过父子层次关系和两个要素之间的相对位置来描述配置。相对于VRML规范计算定位信息。 VRML对象的操作和控制由Java applet的行为模块完成，该Java applet的行为模块计划3-D零件装配体的爆炸/未爆炸路径，并在不同组件上进行交互指定。同时，通过遵循用户分配的视点自动执行分配视图方向以显示动态组装过程并生成投影图。最后，系统以VRML格式创建运动文件，用于装配路径和行为模拟。这项研究为协作设计问题和讨论提供了一个新的虚拟环境。

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