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Utilization of classical scaling technique in sustaining fault detection performance in process monitoring

Mohd Yusri, Mohd Yunus and Jie, Zhang and Al-Amshawee, Sajjad (2020) Utilization of classical scaling technique in sustaining fault detection performance in process monitoring. Journal of Chemical Engineering and Industrial Biotechnology (JCEIB), 6 (1). pp. 1-11. ISSN 0126-8139

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Abstract

Multivariate Statistical Process Monitoring (MSPM) fundamentally adopts the conventional Principal Component Analysis (cPCA) as the main platform for data compression. The main challenge though, the association nature of most industrial process variables are highly non-linear. As a result, the risks of applying the conventional approach of MSPM within this context may include sluggish or failed in detection, misinterpretation of signals, incorrect fault diagnosis and also inflexible as well as insensitive to changing of operating modes. In addressing the issue, this paper introduces new sets of monitoring parameters i.e. Sm2, Sr2 and Sr3, which have been derived within the frameworks of Classical Scaling (CMDS) and Procusters Analysis (PA) methods. The overall fault detection performance that applied based on the Tennessee Eastman Process (TEP) cases show that the Sr3 can detect the faults particularly for abnormal events number 3, 9, 15 and 19 in higher rate compared to the cPCA-MSPM system. This proves that the new monitoring statistics work effectively in avoiding missed detection during monitoring which cannot be addressed effectively by the traditional monitoring system.

Item Type: Article
Uncontrolled Keywords: Multivariate statistical, process monitoring (MSPM), principal component analysis (PCA), classical scaling (CMDS)
Subjects: T Technology > T Technology (General)
T Technology > TP Chemical technology
Faculty/Division: Institute of Postgraduate Studies
Faculty of Chemical and Process Engineering Technology
Depositing User: Noorul Farina Arifin
Date Deposited: 10 Dec 2020 02:50
Last Modified: 10 Dec 2020 02:50
URI: http://umpir.ump.edu.my/id/eprint/30160
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