基于经验的工程变更传播路径预测方法

doi:10.7527/S1000-6893.2013.0106

Abstract

Abstract:

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.

Key words: engineering change propagation, propagation path, Bayes rules, similar parameter, information theory, data mining

CLC Number:

GONG Zhongwei, MO Rong, YANG Haicheng, CHEN Tao. History-based Engineering Change Propagation Predicting[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, doi: 10.7527/S1000-6893.2013.0106.

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History-based Engineering Change Propagation Predicting

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