摘要
本文简述了贝叶斯网络及网络传播的信念更新问题，并提出其在大型旋转机械故障诊断中的应用，建立了故障──特征的贝叶斯网络，并分析了信念在网络中的传播与更新。
This paper describes Bay's network and problem of renewing faith of network propagation,puts forward applications to failure diagonostics for large scale rotating machine,establishes Bay's netwosk of failure-characteristics,and analyses propagation and renewal of faith in network.
