• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>International Conference on Computational Science and Its Applications - ICCSA 2003 Pt.3 May 18-21, 2003 Montreal, Canada >Task-Level Assembly Modeling in Virtual Environments
【24h】

Task-Level Assembly Modeling in Virtual Environments

机译：虚拟环境中的任务级装配建模

获取原文
获取原文并翻译 | 示例
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

This contribution introduces a new framework for assembly modeling in Virtual Reality. Aiming at an easy instructability of the virtual environment, the framework provides a task-level interface which directly maps logical assembly commands to corresponding changes in the geometry scene. For example, the visual assembly of two parts is achieved given only a single command 'connect(a,b)'. This is in contrast to the assembly modeling style of conventional CAD systems which forces the designer to break down each conceptual assembly task into a series of lower-level subtasks. The proposed framework consists of two parts: (1) A knowledge-based model of connection-sensitive part features ("ports") and the connections between them; and, (2), a set of algorithms that define the task-level interface for assembly, disassembly, and adjustment operations. All algorithms are computationally efficient and easily meet the real-time requirements of virtual environments. At the user interface, both direct manipulation and directive interfaces, e.g. based on natural language instructions are supported. A family of implemented VR-systems, including CAVE and Internet-based applications, demonstrates the feasibility of the approach.
机译：该贡献为虚拟现实中的装配体建模引入了新的框架。为了方便虚拟环境的指导，该框架提供了一个任务级接口，该接口将逻辑装配命令直接映射到几何场景中的相应更改。例如，仅通过单个命令“ connect（a，b）”就可以实现两部分的视觉组装。这与传统CAD系统的装配建模样式形成鲜明对比，后者迫使设计人员将每个概念性装配任务分解为一系列较低级别的子任务。提议的框架包括两个部分：（1）基于知识的连接敏感零件特征（“端口”）及其之间的连接的模型； （2）一组算法，用于定义用于组装，拆卸和调整操作的任务级接口。所有算法的计算效率都很高，可以轻松满足虚拟环境的实时要求。在用户界面上，直接操作和指令界面都可以使用，例如支持基于自然语言的说明。一系列已实现的VR系统（包括CAVE和基于Internet的应用程序）证明了该方法的可行性。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号