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Computer-Aided Nonlinear Frequency Response Method for Investigating the Dynamics of Chemical Engineering Systems

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2020
Computer-Aided_Nonlinear_Frequency_pub_2020.pdf (8.775Mb)
Authors
Živković, Luka
Vidaković-Koch, Tanja
Petkovska, Menka
Article (Published version)
Metadata
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Abstract
The Nonlinear Frequency Response (NFR) method is a useful Process Systems Engineering tool for developing experimental techniques and periodic processes that exploit the system nonlinearity. The basic and most time-consuming step of the NFR method is the derivation of frequency response functions (FRFs). The computer-aided Nonlinear Frequency Response (cNFR) method, presented in this work, uses a software application for automatic derivation of the FRFs, thus making the NFR analysis much simpler, even for systems with complex dynamics. The cNFR application uses an Excel user-friendly interface for defining the model equations and variables, and MATLAB code which performs analytical derivations. As a result, the cNFR application generates MATLAB files containing the derived FRFs in a symbolic and algebraic vector form. In this paper, the software is explained in detail and illustrated through: (1) analysis of periodic operation of an isothermal continuous stirred-tank reactor with a sim...ple reaction mechanism, and (2) experimental identification of electrochemical oxygen reduction reaction.

Keywords:
nonlinear process dynamics / frequency response functions / experimental identification / periodic processes / process intensification / process systems engineering
Source:
Processes, 2020, 8, 11
Publisher:
  • MDPI, Basel

DOI: 10.3390/pr8111354

ISSN: 2227-9717

WoS: 000593747100001

Scopus: 2-s2.0-85094664492
[ Google Scholar ]
8
5
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4437
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Živković, Luka
AU  - Vidaković-Koch, Tanja
AU  - Petkovska, Menka
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4437
AB  - The Nonlinear Frequency Response (NFR) method is a useful Process Systems Engineering tool for developing experimental techniques and periodic processes that exploit the system nonlinearity. The basic and most time-consuming step of the NFR method is the derivation of frequency response functions (FRFs). The computer-aided Nonlinear Frequency Response (cNFR) method, presented in this work, uses a software application for automatic derivation of the FRFs, thus making the NFR analysis much simpler, even for systems with complex dynamics. The cNFR application uses an Excel user-friendly interface for defining the model equations and variables, and MATLAB code which performs analytical derivations. As a result, the cNFR application generates MATLAB files containing the derived FRFs in a symbolic and algebraic vector form. In this paper, the software is explained in detail and illustrated through: (1) analysis of periodic operation of an isothermal continuous stirred-tank reactor with a simple reaction mechanism, and (2) experimental identification of electrochemical oxygen reduction reaction.
PB  - MDPI, Basel
T2  - Processes
T1  - Computer-Aided Nonlinear Frequency Response Method for Investigating the Dynamics of Chemical Engineering Systems
IS  - 11
VL  - 8
DO  - 10.3390/pr8111354
ER  - 
@article{
author = "Živković, Luka and Vidaković-Koch, Tanja and Petkovska, Menka",
year = "2020",
abstract = "The Nonlinear Frequency Response (NFR) method is a useful Process Systems Engineering tool for developing experimental techniques and periodic processes that exploit the system nonlinearity. The basic and most time-consuming step of the NFR method is the derivation of frequency response functions (FRFs). The computer-aided Nonlinear Frequency Response (cNFR) method, presented in this work, uses a software application for automatic derivation of the FRFs, thus making the NFR analysis much simpler, even for systems with complex dynamics. The cNFR application uses an Excel user-friendly interface for defining the model equations and variables, and MATLAB code which performs analytical derivations. As a result, the cNFR application generates MATLAB files containing the derived FRFs in a symbolic and algebraic vector form. In this paper, the software is explained in detail and illustrated through: (1) analysis of periodic operation of an isothermal continuous stirred-tank reactor with a simple reaction mechanism, and (2) experimental identification of electrochemical oxygen reduction reaction.",
publisher = "MDPI, Basel",
journal = "Processes",
title = "Computer-Aided Nonlinear Frequency Response Method for Investigating the Dynamics of Chemical Engineering Systems",
number = "11",
volume = "8",
doi = "10.3390/pr8111354"
}
Živković, L., Vidaković-Koch, T.,& Petkovska, M.. (2020). Computer-Aided Nonlinear Frequency Response Method for Investigating the Dynamics of Chemical Engineering Systems. in Processes
MDPI, Basel., 8(11).
https://doi.org/10.3390/pr8111354
Živković L, Vidaković-Koch T, Petkovska M. Computer-Aided Nonlinear Frequency Response Method for Investigating the Dynamics of Chemical Engineering Systems. in Processes. 2020;8(11).
doi:10.3390/pr8111354 .
Živković, Luka, Vidaković-Koch, Tanja, Petkovska, Menka, "Computer-Aided Nonlinear Frequency Response Method for Investigating the Dynamics of Chemical Engineering Systems" in Processes, 8, no. 11 (2020),
https://doi.org/10.3390/pr8111354 . .

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