System Identification of Conveyor Belt Microwave Drying Process of Polymer Foams Using Electrical Capacitance Tomography

The microwave drying process has a wide application in industry, including drying polymer foams after the impregnation process for sealings in the construction industry. The objective of the drying process is to reach a certain moisture in the foam by adjusting the power levels of the microwave sour...

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Autores principales:	Marzieh Hosseini, Anna Kaasinen, Mahdi Aliyari Shoorehdeli, Guido Link, Timo Lähivaara, Marko Vauhkonen
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	microwave drying modeling system identification industrial tomography electrical capacitance tomography Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/80f3caad7ef547c6b747a950bee4cb77
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spelling	oai:doaj.org-article:80f3caad7ef547c6b747a950bee4cb772021-11-11T19:09:42ZSystem Identification of Conveyor Belt Microwave Drying Process of Polymer Foams Using Electrical Capacitance Tomography10.3390/s212171701424-8220https://doaj.org/article/80f3caad7ef547c6b747a950bee4cb772021-10-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/7170https://doaj.org/toc/1424-8220The microwave drying process has a wide application in industry, including drying polymer foams after the impregnation process for sealings in the construction industry. The objective of the drying process is to reach a certain moisture in the foam by adjusting the power levels of the microwave sources. A moisture controller can be designed to achieve this goal; however, a process model is required to design model-based controllers. Since complex physics governs the microwave drying process, system identification tools are employed in this paper to exploit the process input and output information and find a simplified yet accurate model of the process. The moisture content of the foam that is the process output is measured using a designed electrical capacitance tomography (ECT) sensor. The ECT sensor estimates the 2D permittivity distribution of moving foams, which correlates with the foam moisture. Experiments are conducted to collect the ECT measurements while giving different inputs to the microwave sources. A state-space model is estimated using one of the collected datasets and is validated using the other datasets. The comparison between the model response and the actual measurements shows that the model is accurate enough to design a controller for the microwave drying process.Marzieh HosseiniAnna KaasinenMahdi Aliyari ShoorehdeliGuido LinkTimo LähivaaraMarko VauhkonenMDPI AGarticlemicrowave dryingmodelingsystem identificationindustrial tomographyelectrical capacitance tomographyChemical technologyTP1-1185ENSensors, Vol 21, Iss 7170, p 7170 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	microwave drying modeling system identification industrial tomography electrical capacitance tomography Chemical technology TP1-1185
spellingShingle	microwave drying modeling system identification industrial tomography electrical capacitance tomography Chemical technology TP1-1185 Marzieh Hosseini Anna Kaasinen Mahdi Aliyari Shoorehdeli Guido Link Timo Lähivaara Marko Vauhkonen System Identification of Conveyor Belt Microwave Drying Process of Polymer Foams Using Electrical Capacitance Tomography
description	The microwave drying process has a wide application in industry, including drying polymer foams after the impregnation process for sealings in the construction industry. The objective of the drying process is to reach a certain moisture in the foam by adjusting the power levels of the microwave sources. A moisture controller can be designed to achieve this goal; however, a process model is required to design model-based controllers. Since complex physics governs the microwave drying process, system identification tools are employed in this paper to exploit the process input and output information and find a simplified yet accurate model of the process. The moisture content of the foam that is the process output is measured using a designed electrical capacitance tomography (ECT) sensor. The ECT sensor estimates the 2D permittivity distribution of moving foams, which correlates with the foam moisture. Experiments are conducted to collect the ECT measurements while giving different inputs to the microwave sources. A state-space model is estimated using one of the collected datasets and is validated using the other datasets. The comparison between the model response and the actual measurements shows that the model is accurate enough to design a controller for the microwave drying process.
format	article
author	Marzieh Hosseini Anna Kaasinen Mahdi Aliyari Shoorehdeli Guido Link Timo Lähivaara Marko Vauhkonen
author_facet	Marzieh Hosseini Anna Kaasinen Mahdi Aliyari Shoorehdeli Guido Link Timo Lähivaara Marko Vauhkonen
author_sort	Marzieh Hosseini
title	System Identification of Conveyor Belt Microwave Drying Process of Polymer Foams Using Electrical Capacitance Tomography
title_short	System Identification of Conveyor Belt Microwave Drying Process of Polymer Foams Using Electrical Capacitance Tomography
title_full	System Identification of Conveyor Belt Microwave Drying Process of Polymer Foams Using Electrical Capacitance Tomography
title_fullStr	System Identification of Conveyor Belt Microwave Drying Process of Polymer Foams Using Electrical Capacitance Tomography
title_full_unstemmed	System Identification of Conveyor Belt Microwave Drying Process of Polymer Foams Using Electrical Capacitance Tomography
title_sort	system identification of conveyor belt microwave drying process of polymer foams using electrical capacitance tomography
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/80f3caad7ef547c6b747a950bee4cb77
work_keys_str_mv	AT marziehhosseini systemidentificationofconveyorbeltmicrowavedryingprocessofpolymerfoamsusingelectricalcapacitancetomography AT annakaasinen systemidentificationofconveyorbeltmicrowavedryingprocessofpolymerfoamsusingelectricalcapacitancetomography AT mahdialiyarishoorehdeli systemidentificationofconveyorbeltmicrowavedryingprocessofpolymerfoamsusingelectricalcapacitancetomography AT guidolink systemidentificationofconveyorbeltmicrowavedryingprocessofpolymerfoamsusingelectricalcapacitancetomography AT timolahivaara systemidentificationofconveyorbeltmicrowavedryingprocessofpolymerfoamsusingelectricalcapacitancetomography AT markovauhkonen systemidentificationofconveyorbeltmicrowavedryingprocessofpolymerfoamsusingelectricalcapacitancetomography
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System Identification of Conveyor Belt Microwave Drying Process of Polymer Foams Using Electrical Capacitance Tomography

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