控制系统故障树自动建造方法的研究
Research on Automatic Fault Tree Construction for Control System
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摘要: 在对建树过程进行规范化描述的基础上,阐述了控制系统中反馈、前馈、分流和汇流 等复杂结构在多状态故障树自动建造中的识别及处理算法.在此基础上形成的专家系统软 件,可直接利用已有部件模型库,按指定顶事件状态自动生成故障树,节约了人力和时间,对 FTA技术的推广有一定促进作用.Abstract: After describing the fault tree construction process canonically, an algorithm dealing with such complex structures as feedback loop, feedforward loop, divider and header in multistate fault tree automatic construction is presentd. The expert system software based on the algorithm can generate fault tree automatically according to the components' model library and the specified top event state. Consequently, either manual work or time is saved ,and the popularization of FTA technique is promoted.
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Key words:
- Formal description /
- system model /
- automatic fault tree construction
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