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基于一致空间法故障检测算法 ,提出了一种电厂锅炉水位控制系统仪表故障检测新方案。首先对于锅炉汽包水位系统中存在的常见仪表故障作了清晰的数学描述 ,然后详细介绍了对于锅炉汽包水位控制系统中存在的蒸汽流量仪表、给水流量仪表以及水位仪表故障的快速、准确检测过程 ,最后仿真结果表明算法的有效性。
Based on the uniform space method fault detection algorithm, a new scheme of instrumentation fault detection for boiler water level control system in power plant was proposed. First of all, the paper presents a clear mathematical description of common instrument faults in the boiler drum water level system, and then introduces in detail the rapid and accurate detection of steam flow meters, water flow meters and water level meter faults in the boiler drum water level control system Process, the final simulation results show the effectiveness of the algorithm.