Journal
CONTROL ENGINEERING PRACTICE
Volume 50, Issue -, Pages 48-56Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.conengprac.2016.03.001
Keywords
Process monitoring; Neighborhood preserving embedding; Dual weight matrix; Enhanced objective function; Enhanced neighborhood preserving embedding
Funding
- National Natural Science Foundation of China [61374140, 61403072]
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A novel process monitoring scheme named enhanced neighborhood preserving embedding (ENPE) is proposed. Neighborhood preserving embedding (NPE) only considers the reconstruction error on the basis of each local neighborhood is linear. For the purpose of addressing both the reconstruction error and the distance, the dual weight matrix and the enhanced objective function are constructed in the ENPE method. Finally, under a numerical example and the Tennessee Eastman (TE) benchmark, the superiority of the proposed ENPE method is evaluated through comparing with principal component analysis (PCA) and NPE. (C) 2016 Elsevier Ltd. All rights reserved.
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