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Abstract:
As the multi-way kernel entropy partial least squares (MKEPLS) method does not make full use of the higher-order statistics of the process data, which will lose the important information in the feature extraction, and result in degraded fault identification performance. To solve this problem, a novel method based on higher order statistics and multi-way kernel entropy partial least squares (HOS-MKEPLS) is proposed, in which the raw data space is projected into statistics space by calculating the higher order statistics of the data set, establishing the monitoring MKEPLS model, then adopting the contribution figure method on the trace of the fault variables. Finallay, the method is applied to an industrial penicillin fermentation process, and compared with the MKEPLS model. Results show that the method has a better monitoring performance and can detect and identify the fault. ©, 2015, Beijing University of Technology. All right reserved.
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Journal of Beijing University of Technology
ISSN: 0254-0037
Year: 2015
Issue: 5
Volume: 41
Page: 668-673
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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Chinese Cited Count:
30 Days PV: 7
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