A Fault Identification Method in Distillation Process Based on Dynamic Mechanism Analysis and Signed Directed Graph

A Fault Identification Method in Distillation Process Based on Dynamic Mechanism Analysis and Signed Directed Graph

Due to the complexity of materials and energy cycles, the distillation system has numerous working conditions difficult to troubleshoot in time. To address the problem, a novel DMA-SDG fault identification method that combines dynamic mechanism analysis based on process simulation and signed directe...

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Main Authors: Wende Tian, Shifa Zhang, Zhe Cui, Zijian Liu, Shaochen Wang, Ya Zhao, Hao Zou
Format: Article
Language:English
Published: MDPI AG 2021-01-01
Series:Processes
Subjects:
distillation process
mechanism analysis
SDG model
fault identification
Online Access:https://www.mdpi.com/2227-9717/9/2/229
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spelling doaj-b55508cc2b6a486d9f2f196e045a95b12021-01-27T00:05:12ZengMDPI AGProcesses2227-97172021-01-01922922910.3390/pr9020229A Fault Identification Method in Distillation Process Based on Dynamic Mechanism Analysis and Signed Directed GraphWende Tian0Shifa Zhang1Zhe Cui2Zijian Liu3Shaochen Wang4Ya Zhao5Hao Zou6College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, ChinaCollege of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, ChinaCollege of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, ChinaCollege of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, ChinaCollege of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, ChinaCollege of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, ChinaCollege of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, ChinaDue to the complexity of materials and energy cycles, the distillation system has numerous working conditions difficult to troubleshoot in time. To address the problem, a novel DMA-SDG fault identification method that combines dynamic mechanism analysis based on process simulation and signed directed graph is proposed for the distillation process. Firstly, dynamic simulation is employed to build a mechanism model to provide the potential relationships between variables. Secondly, sensitivity analysis and dynamic mechanism analysis in process simulation are introduced to the SDG model to improve the completeness of this model based on expert knowledge. Finally, a quantitative analysis based on complex network theory is used to select the most important nodes in SDG model for identifying the severe malfunctions. The application of DMA-SDG method in a benzene-toluene-xylene (BTX) hydrogenation prefractionation system shows sound fault identification performance.https://www.mdpi.com/2227-9717/9/2/229distillation processmechanism analysisSDG modelfault identification
collection DOAJ
language English
format Article
sources DOAJ
author Wende Tian
Shifa Zhang
Zhe Cui
Zijian Liu
Shaochen Wang
Ya Zhao
Hao Zou
spellingShingle Wende Tian
Shifa Zhang
Zhe Cui
Zijian Liu
Shaochen Wang
Ya Zhao
Hao Zou
A Fault Identification Method in Distillation Process Based on Dynamic Mechanism Analysis and Signed Directed Graph
Processes
distillation process
mechanism analysis
SDG model
fault identification
author_facet Wende Tian
Shifa Zhang
Zhe Cui
Zijian Liu
Shaochen Wang
Ya Zhao
Hao Zou
author_sort Wende Tian
title A Fault Identification Method in Distillation Process Based on Dynamic Mechanism Analysis and Signed Directed Graph
title_short A Fault Identification Method in Distillation Process Based on Dynamic Mechanism Analysis and Signed Directed Graph
title_full A Fault Identification Method in Distillation Process Based on Dynamic Mechanism Analysis and Signed Directed Graph
title_fullStr A Fault Identification Method in Distillation Process Based on Dynamic Mechanism Analysis and Signed Directed Graph
title_full_unstemmed A Fault Identification Method in Distillation Process Based on Dynamic Mechanism Analysis and Signed Directed Graph
title_sort fault identification method in distillation process based on dynamic mechanism analysis and signed directed graph
publisher MDPI AG
series Processes
issn 2227-9717
publishDate 2021-01-01
description Due to the complexity of materials and energy cycles, the distillation system has numerous working conditions difficult to troubleshoot in time. To address the problem, a novel DMA-SDG fault identification method that combines dynamic mechanism analysis based on process simulation and signed directed graph is proposed for the distillation process. Firstly, dynamic simulation is employed to build a mechanism model to provide the potential relationships between variables. Secondly, sensitivity analysis and dynamic mechanism analysis in process simulation are introduced to the SDG model to improve the completeness of this model based on expert knowledge. Finally, a quantitative analysis based on complex network theory is used to select the most important nodes in SDG model for identifying the severe malfunctions. The application of DMA-SDG method in a benzene-toluene-xylene (BTX) hydrogenation prefractionation system shows sound fault identification performance.
topic distillation process
mechanism analysis
SDG model
fault identification
url https://www.mdpi.com/2227-9717/9/2/229
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AT shifazhang faultidentificationmethodindistillationprocessbasedondynamicmechanismanalysisandsigneddirectedgraph
AT zhecui faultidentificationmethodindistillationprocessbasedondynamicmechanismanalysisandsigneddirectedgraph
AT zijianliu faultidentificationmethodindistillationprocessbasedondynamicmechanismanalysisandsigneddirectedgraph
AT shaochenwang faultidentificationmethodindistillationprocessbasedondynamicmechanismanalysisandsigneddirectedgraph
AT yazhao faultidentificationmethodindistillationprocessbasedondynamicmechanismanalysisandsigneddirectedgraph
AT haozou faultidentificationmethodindistillationprocessbasedondynamicmechanismanalysisandsigneddirectedgraph
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