基于网络的CAD系统图档管理研究  

Research on management for drawing database in CAD system based on network

作　　者：张雪平[1,2] 殷国富[3] 王伟[3] 

机构地区：[1]宜宾学院电子信息系 [2]四川大学制造科学与工程学院,四川成都610065 [3]四川大学制造科学与工程学院

出　　处：《哈尔滨工业大学学报》2005年第9期1239-1243,共5页Journal of Harbin Institute of Technology

基　　金：国家自然科学基金资助项目(50275100).

摘　　要：为了解决传统图档管理方法中存在的数据一致性不高、文件复制量大和中间版本不易维护等问题, 构建了面向对象的图档数据存储结构.以图档级为对象管理图档数据的存储和查询,解决异构CAD平台生成的图档不兼容问题;阐述了多版本图档管理模式,该模式能清楚记载版本演变历程,准确实现多版本的回溯;提出了基于事务语义的图档数据并发控制策略.实例证明该方法使CAD技术与CSCW技术充分结合,提高了协同设计过程中图档数据的准确性和一致性.To solve such problems as low data consistence,large file replica and complicated version maintenance in traditional drawing archive management, a new object - oriented data storage structure of drawing archive is constructed. The incompatibility of drawing archive from heterogeneous CAD platforms is solved by storage and retrieval management of drawing archive used drawing archive class as objects. The multi - version management mode of drawing archive is explained, which can describe the evolution of versions clearly and implement multi - version retrospect accurately. The concurrency control strategy of drawing archive data based on transaction language is put forward. It is verified that the method aforementioned enables the full combination of CAD technology and CSCW technology and improves the accuracy and consistency of drawing archive data in design process by an application example.

关 键 词：网络 CAD 图档管理 协同设计 

分 类 号：TP391.72[自动化与计算机技术—计算机应用技术]