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异构CAD系统协同构架研究


□ 孙立镌 丁 博

  摘 要:针对异构CAD系统间上层操作指令和底层数据结构存在的差异性,在细胞元语义特征造型技术的基础上,提出了一种全新的支持异构CAD系统间同步协同设计的体系结构,并通过一种优先调度机制有效地解决了异构CAD系统间的“写冲突”问题,提高了实时响应性。该思想初步应用在HUST-CAIDS与AutoCAD间的异构协同设计中,证明了其可行性。

  关键词:异构CAD系统; 中性语义特征转换; 同步协同设计; 调度机制

  中图分类号:TP391 文献标志码:A 文章编号:1001-3695(2008)08-2339-03

  Collaborative design framework upon heterogeneous CAD systems

  SUN Li-juan, DING Bo

  (College of Computer Science & Technology , Harbin University Science & Technology, Harbin 150080, China)

  Abstract:Aimed at the differences of operating instructions and data structure upon heterogeneous CAD systems, and based on the technology of semantic feature modeling,this paper proposed a kind of new architecture which could support the collaborative design of heterogeneous CAD systems. It solved the problem of"writing conflict" between heterogeneous CAD systems effectively by a kind of new scheduling policy, improved the efficiency of real-time response. The preliminary applications in the collaborative design between HUST-CAIDS and AutoCAD were introduced to prove the feasibility of the theories above.

  Key words:heterogeneous CAD systems;neutral semantic feature transition;synchronized collaborative design;scheduling policy

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