摘要
针对“七五”、“八五”期间机器产品CAD系统开发存在的问题 ,将软件工程的理论和方法运用于机械CAD系统开发的实践 ,研究了利用以Entity_Relationship图形工具为基础的语义数据模型进行机器系统实例连接分析方法的特殊性 ,并以水工闸门启闭机CAD软件系统开发为例 ,探讨了在揭示系统对象的基础上 ,运用数据抽象的方法对所揭示的对象进行归纳、分类 。
Aiming at the existed problems in developing CAD system for machine produds during the Seventh Five_Year Plan and the Eighth Five_Year Plan, the theory and method of the software engineering are applied to develop mechanical CAD system so as to study the particularity of the analytical method that applies the semantic data_model based on the method of Entity_Relationship to analyse the instance link of machine system. And taking the development of the hydraulic gate hoist CAD software system for example, the method that applies the method of data_abstract to make inductions and classifications of the objects unveiled is probed. Finally, the static structure model of CAD software system for large_scale machine products, is established.
出处
《武汉大学学报（工学版）》
CAS
CSCD
北大核心
2001年第1期95-98,109,共5页
Engineering Journal of Wuhan University
基金
电力公司青年科研基金资助项目
关键词
闸门启闭机
CAD
软件系统
语义数据模型
software engineering
instance link
data_abstract
semantic data_model
