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In coal‐fired power plants, the feed water treatment processes (FWTPs) supply qualified water to utility boilers. The faults of an FWTP may endanger the whole power plant. The classical PCA‐/KPCA‐based fault detection algorithms are valid mainly under single operation condition. When they are put to a practical FWTP, they cannot deal with the problems as treatment route switching, multiple operation...
KPCA is a good choice to deal with the nonlinearity of the industrial processes. This paper focuses on KPCA based fault detection and its application issues. A KPCA based fault detection approach and its application procedure are firstly investigated. Then, the proposed approach is applied to a feed water treatment process in a coal-fired power plant, which in fact is a typical nonlinear process....
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