摘要
为解决协同设计过程中几何模型的动态访问问题,提出一种基于W eb的协同设计环境下三维几何建模动态访问的分布式体系结构、异类CAD系统之间的动态数据交换组织模式。同时,提出一种面向对象的基于优先权限的乐观并发控制协议,保证模型动态访问在各站点操作的执行结果之间的一致性。在这些技术的共同作用下实现了协同三维几何建模动态访问技术,并通过具体实例验证了该技术的可行性。
To solve the dynamic accessing of geometric modeling for collaborative design, researched several key technologies and presented a distributed system structure of collaborative design. Developed the organization mode of dynamic data exchange, which carried out the real-time exchange and consistency of the dynamic data among the different platforms and CAD systems. Developed an object-oriented priority-based optimistic concurrency control protocol （OPOCCP） , which ensured high efficiency and consistency of sharing model and data at different sites. Integrated all the technologies, realized the dynamic aeces-sing technology of 3D geometric modeling for collaborative design. Finally, took an example to validate the dynamic accessing technologies.
出处
《计算机应用研究》
CSCD
北大核心
2009年第5期1636-1638,1644,共4页
Application Research of Computers
基金
中国博士后基金项目(20070420714)
重庆市教委科技资助项目(KJ070411)
关键词
协同设计
动态访问
并发控制
collaborative design
dynamic accessing
concurrency control
