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Journal of System Simulation

Abstract

Abstract: As a newly dimension reduction technique, non-negative matrix factorization (NMF) has been applied in varying research areas. NMF methods require the original data non-negative. However, the operating data of industrial process maybe not satisfy this restriction. To resolve the problem, a new method is presented, which can be called as generalized projection non-negative matrix factorization (GPNMF). We use GPNMF to extract the latent variables that drive a process and to combine them with process monitoring techniques for fault detection. The corresponding contribution plots are defined for fault isolation. The proposed method is applied to a 1 000 MW unit boiler process. The simulation results clearly illustrate the feasibility of the proposed method.

First Page

521

Last Page

532

CLC

TP277

Recommended Citation

Niu Yuguang, Wang Shilin, Lin Zhongwei, Li Xiaoming. Fault Detection Based on GPNMF for Industrial Process[J]. Journal of System Simulation, 2018, 30(2): 521-532.

DOI

10.16182/j.issn1004731x.joss.201802020

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