【摘要】 分析了传统故障诊断方法对于处理实际系统中的不确定性问题时所存在的不足,将贝叶斯网络的理论与方法应用到水电机组故障诊断中,介绍了贝叶斯网络的建模方法与推理机制,并通过一个专家系统的建模过程与诊断结果,证明了基于贝叶斯网络的水电机组故障诊断专家系统所具有的独特优点。更多还原

【Abstract】 The paper analyses the existing shortcomings in traditional methods which are used to tackle uncertainty in fault diagnosis.The theory and method of Bayesian Networks are applied into fault diagnosis of hydroelectric unit,the modeling method and inference mechanism are introduced.The unique advantages of fault diagnosis expert system based on Bayesian Networks are illustrated by modeling process and diagnosis results of expert system. Some disadvantages are discussed.更多还原