Presents a elevator remote monitor and a fault diagnosis expert system. According to elevator feature, a distributed monitor system is adopted.
介绍了电梯计算机远程监测及故障诊断专家系统的设计思想、功能特点及软硬件构成．该系统采用分布式监测系统；
Based on fault tree analysis (FTA) theory, an object-oriented knowledge representation method in a fault diagnosis expert system for machine tools was studied.
针对所研究的机床故障诊断专家系统，以故障树分析法为基础，采用面向对象的事件知识表示方法。
In terms of this model, a novel extension reasoning machine with uncertainty is designed. Based on this reasoning machine, a fault diagnosis expert system of UA5000 is realized.
依据这种模型，本文设计了可拓不确定性推理机，并将其应用到UA 5000接入网设备故障诊断专家系统的设计中。
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