A nonlinear full condition process monitoring method for hot rolling process with dynamic characteristic
Copyright © 2020 ISA. Published by Elsevier Ltd. All rights reserved..
As a typical complex industrial process, hot rolling process (HRP) is different from chemical process. Strip steels are produced coil by coil, that means there is a long idle period between coils. The rolling speed is very high and the producing time of each coil is usually a few minutes. Previous researches mostly focus on fault detection in loaded condition and very few attempts have been made to exploit the monitoring of idle condition. In order to monitor the whole process, not only the loaded condition, but also the idle one, a novel nonlinear full condition process monitoring model is developed in this work. First, a dissimilarity index (DI) is defined for condition identification and a support data vector description (SVDD) model is established to monitor the idle condition. Second, t-distributed stochastic neighbor embedding (t-SNE) is used to extract nonlinear principal components (NPC) for slow feature analysis (SFA) and cointegration analysis (CA). Nonlinear cointegration analysis (NCA) can reveal the long-run dynamic relations of nonstationary parts, while nonlinear slow feature analysis (NSFA) can extract the latent temporal dynamic and static variations of stationary ones. Finally, the monitoring performance of the proposed model is verified through a real HRP.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:112 |
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| Enthalten in: |
ISA transactions - 112(2021) vom: 01. Juni, Seite 363-372 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Chuanfang [VerfasserIn] |
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| Links: |
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| Themen: |
-SNE |
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| Anmerkungen: |
Date Revised 17.05.2021 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.isatra.2020.11.022 |
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| Förderinstitution / Projekttitel: |
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NLM318429659 |
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| 100 | 1 | |a Zhang, Chuanfang |e verfasserin |4 aut | |
| 245 | 1 | 2 | |a A nonlinear full condition process monitoring method for hot rolling process with dynamic characteristic |
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| 520 | |a Copyright © 2020 ISA. Published by Elsevier Ltd. All rights reserved. | ||
| 520 | |a As a typical complex industrial process, hot rolling process (HRP) is different from chemical process. Strip steels are produced coil by coil, that means there is a long idle period between coils. The rolling speed is very high and the producing time of each coil is usually a few minutes. Previous researches mostly focus on fault detection in loaded condition and very few attempts have been made to exploit the monitoring of idle condition. In order to monitor the whole process, not only the loaded condition, but also the idle one, a novel nonlinear full condition process monitoring model is developed in this work. First, a dissimilarity index (DI) is defined for condition identification and a support data vector description (SVDD) model is established to monitor the idle condition. Second, t-distributed stochastic neighbor embedding (t-SNE) is used to extract nonlinear principal components (NPC) for slow feature analysis (SFA) and cointegration analysis (CA). Nonlinear cointegration analysis (NCA) can reveal the long-run dynamic relations of nonstationary parts, while nonlinear slow feature analysis (NSFA) can extract the latent temporal dynamic and static variations of stationary ones. Finally, the monitoring performance of the proposed model is verified through a real HRP | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a -SNE | |
| 650 | 4 | |a Cointegration analysis | |
| 650 | 4 | |a Hot rolling process | |
| 650 | 4 | |a Nonlinear full condition process monitoring | |
| 650 | 4 | |a Slow feature analysis | |
| 700 | 1 | |a Peng, Kaixiang |e verfasserin |4 aut | |
| 700 | 1 | |a Dong, Jie |e verfasserin |4 aut | |
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