反渗透海水淡化故障诊断专家系统的开发

Development of the Fault Diagnosis Expert System for Seawater Reverse Osmosis

介绍了反渗透海水淡化的工艺流程,对其中的核心部件反渗透膜组件的主要故障类型进行了分析,并采用故障树分析法建立了相应的故障树模型。在此基础上,结合语义网表示法和产生式规则表示法两种方法,构建了专家系统的诊断知识库,并从推理策略和搜索策略两反面阐述了专家系统推理机的设计思路。在Visual Studio 2005平台下开发了相应的故障诊断专家系统软件,并结合软件对故障的诊断过程进行了详细的介绍,通过模拟输入一些故障征兆,对故障诊断专家系统进行仿真实验,得到的诊断结果与实际情况相符。

AThis paper introduced the processes of reverse osmosis seawater desalination, analyzed the main faults of reverse osmosis membrane components, established the associated fault tree model in the fault tree analysis method. Based on this, the knowledge base of the expert system was established by adopting semantic net representation method and production rule representation method ,then stated the idea in designing the inference engine on two sides of reasoning strategy and research strategy. At last, in Visual Studio 2005 workbench developed the corresponding fault diagnosis expert system software ,then analyzed diagnosis processes in the software, given some hypothetical fault symptoms, do simulation diagnostic test in the expert system, the diagnostic is matched with the actual fault reason.