期刊
CHEMICAL ENGINEERING RESEARCH & DESIGN
卷 89, 期 10A, 页码 2078-2084出版社
ELSEVIER
DOI: 10.1016/j.cherd.2011.01.002
关键词
On-line batch process monitoring; Hierarchical kernel partial least squares (HKPLS); Multi-way PLS (MPLS)
资金
- China's National 973 program [2009CB320600]
- NSF in China [61020106003, 60974057]
In this paper, new monitoring approach, hierarchical kernel partial least squares (HKPLS), is proposed for the batch processes. The advantages of HKPLS are: (1) HKPLS gives more nonlinear information compared to hierarchical partial least squares (HPLS) and multi-way PLS (MPLS) and (2) a new batch process monitoring using HKPLS does not need to estimate or fill in the unknown part of the process variable trajectory deviation from the current time until the end. The proposed method is applied to the penicillin process and continuous annealing process and is compared with MPLS and HPLS monitoring results. Applications of the proposed approach indicate that HKPLS effectively capture the nonlinearities in the process variables and show superior fault detectability. (C) 2011 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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