| 符合SDAI的工程数据管理系统的实现研究 |
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| 引用本文： | 赵有珍,张彤,刘一鹗,邓家禔. 符合SDAI的工程数据管理系统的实现研究[J]. 北京航空航天大学学报, 2000, 26(1): 107-110 |
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| 作者姓名： | 赵有珍 张彤 刘一鹗 邓家禔 |
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| 作者单位： | 北京航空航天大学,机械工程及自动化学院;北京航空航天大学,机械工程及自动化学院;北京航空航天大学,机械工程及自动化学院;北京航空航天大学,机械工程及自动化学院 |
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| 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.
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| 关 键 词： | 数据库 国际标准 数据管理 STEP 产品数据交换 面向对象 |
| 收稿时间： | 1998-08-21 |
| 修稿时间： | : |
Research and Implementation of SDAI-Based Engineering Data Management System |
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| ZHAO You-zhen,ZHANG Tong,LIU Yie,DENG Jia-ti. Research and Implementation of SDAI-Based Engineering Data Management System[J]. Journal of Beijing University of Aeronautics and Astronautics, 2000, 26(1): 107-110 |
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| Authors: | ZHAO You-zhen ZHANG Tong LIU Yie DENG Jia-ti |
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| Affiliation: | Beijing University of Aeronautics and Astronautics,School of Mechanical Engineering and Automation |
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| 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 I/O function; and implementing the object oriented encapsulation and dynamic binding, on several key technologies such as the SDAI/ 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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| Keywords: | STEP |
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