协同设计系统一致性保证模型

协同设计系统是对传统的CAD系统的进一步发展 ,也是并行设计发展的必然趋势。分析了基于图形对象数据的并发冲突与一致性管理的特点 ,提出了一个支持产品协同设计的并发控制模型和一致性管理策略 ,它在并发操作发生冲突时自动进行冲突处理和产生分支 ,在经过给定的时间以后 ,系统要求冲突双方进行协商或自动进行分支聚合。根据图形对象数据的语义 ,给出对象关联度概念和视图的自动聚合方法。以此模型与概念给出了相关算法和一个二维产品设计实验系统

Model of consistency guarantee for collaborative design system

The study on support system of collaborative design is a further development an traditional CAD system,and also on inevitable trend on the development of concurrent engineering. Based on the features of concurrent conflict and consistency management of graphic objective data,the concurrent controlling model and strategy of consistency management which support product's collaborative design are advanced.They would carry out automatically the conflict treatment and produce branches while conflict happens in concurrent operation.After a period of given time has been passed,the system will ask to conduct a consultation between the two sides in conflict or to conduct an aggregation of branches automatically.According to the semanteme of graphic objective data,the concept of object related degree and the automatic aggregation of views being conducted based on object related degree are presented. Relevant algorithm and a testing system of 2D product design are given out based on this model and concept.