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基于虚拟DCS的仿真系统设计火电厂实时故障诊断系统
栾轶佳,周燕,赵英凯
作者单位
摘要:
基于虚拟分布控制系统(DCS)的仿真系统生成的故障数据以及它所提供的过程控制中的对象链接与嵌入OPC(OLE for Process Control)服务器,设计了火电厂实时智能故障诊断系统。论述了基于虚拟DCS仿真系统与实际DCS控制系统的对应关系,与故障诊断系统的数据接口及专家系统知识库的构建。对诊断系统的调试结果表明:基于虚拟DCS的仿真系统设计的故障诊断系统实现了火电厂的实时故障诊断与事故预报。
关键词:  虚拟DCS,智能故障诊断,OPC,专家系统
DOI:
分类号:TM743
基金项目:
Design of power plant real- time fault diagnosis system with virtual DCS-based simulation system
LUAN Yi-jia  ZHOU Yan  ZHAO Ying-kai
Abstract:
A real-time intelligent fault diagnosis system for power plant is designed with the help of the simulation system based on virtual DCS(Distributed Control System),which provides both the fault data and the OPC(OLE for Process Control) server. The relationship between real DCS-based and virtual DCS-based simulation systems is discussed,as well as its data interface to fault diagnosis system and the construction of knowledge database in expert system. The test results indicate that the fault diagnosis system designed with the virtual DCS-based simulation system realizes the real-time fault diagnosis and accident prediction of the power plant.
Key words:  virtual DCS,intelligent fault diagnosis,OPC,expert system

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