In studying the Fault Diagnosis Expert System of a certain type of air separation system,the conception of Binary Fault Tree(BFT) is proposed for fault tree analysis.

• 从某大型空分系统的故障诊断专家系统实例出发,提出了二叉故障树的概念,并结合膨胀机模块的某一故障现象,建立了二叉故障树的原型。