北京航空航天大学学报 ›› 2000, Vol. 26 ›› Issue (1): 107-110.

• 论文 • 上一篇    下一篇

符合SDAI的工程数据管理系统的实现研究

赵有珍, 张彤, 刘一鹗, 邓家   

  1. 北京航空航天大学 机械工程及自动化学院
  • 收稿日期:1998-08-21 出版日期:2000-01-31 发布日期:2010-09-27
  • 作者简介:赵有珍(1972-),男,山东日照人,博士生,100083,北京.

Research and Implementation of SDAI-Based Engineering Data Management System

ZHAO You-zhen, ZHANG Tong, LIU Yi-e, DENG Jia   

  1. Beijing University of Aeronautics and Astronautics,School of Mechanical Engineering and Automation
  • Received:1998-08-21 Online:2000-01-31 Published:2010-09-27

摘要: 从数据管理最基本的持久化功能入手,在SDA C+ +管理类、早/晚联编的数据访问方式、早/晚联编混合操作等几项关键技术方面,提出了对EXPRESS模型作O-O扩充、实现对象的自身-O功能、适当扩展SDAI语义、实现面向对象的封装和动态联编等解决方案,并利用技术方案开发出一个满足CAx应用的原型系统.

Abstract: Beginning with the most fundamental persistence function, solutions were presented which involve expanding EXPRESS model using Object-oriented Modeling Technology; extending SDAI contents properly; achieving objects' self-supplied -O function; and implementing the object-oriented encapsulation and dynamic binding, on several key technologies such as the SDA C+ + management classes, the early/late binding data access methods and the combined early/late binding operations. Using these solutions, one prototype system is developed. The motive to carry out this system is to meet the need of the integration of CAx application systems based on STEP.

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