History-based engineering change propagation predicting

被引：4

作者：

机构：

[1] The Key Laboratory of Contemporary Design and Integrated Manufacturing Technology, Ministry of Edu., Northwestern Polytechnical University

[2] China Aerospace Science and Technology Corporation

来源：

Mo, R. (morong@nwpu.edu.cn) | 1600年 / Chinese Society of Astronautics卷 / 34期

关键词：

Bayes rules; Data mining; Engineering change propagation; Information theory; Propagation path; Similar parameter;

D O I：

10.7527/S1000-6893.2013.0106

中图分类号：

学科分类号：

摘要：

In view of the difficulties of engineering change propagation in aerospace products, a new history-based propagation path predicting method is proposed. Important parameters are obtained using the concepts of entropy and mutual information. Then, a parameter-similarity algorithm is proposed from the aspect of semantics and change-effect. Furthermore, the regulation and method of change propagation predicting are analyzed based on Bayes rules. Finally, an experiment of managing an aerospace turbine disk is performed to validate our method and it shows its validity and merits.

引用

页码：677 / 685

页数：8

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