Uncertainty Reasoning Research Based on the Expert System of Mechanical Product Design

被引:0
作者
Guo, Chen [1 ]
Huang, Ming [1 ]
Liang, Xu [1 ]
机构
[1] Software Technology Institute, Dalian Jiaotong University, Dalian
关键词
Confidence; Expert system; Machine design; Reasoning of uncertainty;
D O I
10.3923/jas.2013.4902.4906
中图分类号
学科分类号
摘要
Uncertainty problem is the focus of the Expert System Research. This study utilizes the thought of Expert System's confidence as guidance and the mechanical products design as example to introduce the process of the uncertainty reasoning research of the expert system detailedly. In the process of uncertainty research, we firstly propose a new matching algorithm of uncertainty reasoning for matching the method of the first component of rules. Compare with the existing method, this algorithm taking fully into account of the experts' judgement for known first component of rules and realistic conditions' influence for the first component of rules. It makes the algorithm's result fit the actual rules choosing better. Furthermore, in the process of uncertainty dissemination, this study uses a new algorithm to solve the supporting conclusions' evidence confidence. Compare with the existing method, the confidence of conclusions which use this algorithm are all over 0.8. As the result, it shows the uncertainty problem in inference engine has been solved very well. And it also improves the choosing decision-making function of the expert system. © 2013 Asian Network for Scientific Information.
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收藏
页码:4902 / 4906
页数:4
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