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Machining Quality Monitoring of Blades and Source Tracing Based on Dynamic Bayesian Network
Author(s): 
Pages: 170-181
Year: Issue:  1
Journal: Acta Aeronautica ET Astronautica Sinica

Keyword:  航空发动机叶片加工质量监控误差溯源动态Bayesian网络误差分解;
Abstract: 针对叶片加工过程中质量精度不高的问题,提出了基于动态Bayesian网络的叶片加工质量监控与溯源方法.利用动态Bayesian网络建立起叶片加工工序间的相互联系,实现对整个加工过程的控制.基于Bayesian网络对影响加工工序的因素集建立因果联系,采用多元统计过程控制中的T2控制图完成对各工序影响因素集的监控.进行误差溯源时,根据Bayesian网络建立的因果关系对失控样本的T2统计量依据原因变量...
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