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Modeling of bioimpedance for human skin based on fractional distributed-order modified cole model

dc.creatorLazović, Goran
dc.creatorVosika, Zoran B.
dc.creatorLazarević, Mihailo
dc.creatorSimić-Krstić, Jovana
dc.creatorKoruga, Đuro
dc.date.accessioned2022-09-19T17:27:24Z
dc.date.available2022-09-19T17:27:24Z
dc.date.issued2014
dc.identifier.issn1451-2092
dc.identifier.urihttps://machinery.mas.bg.ac.rs/handle/123456789/1933
dc.description.abstractEksperimentalni podaci otpornosti i računa necelobrojnog reda koriste se za modeliranje bioimpedansnih osobina ljudske kože. Uveli smo i predložili modifikovani Kole model koristeći pri tom operator distribuiranog necelog reda koji je zasnovan na Caputo-Weyl-ovim izvodima necelog reda.Naš predloženi model predstavlja izmenjen jedno-disperzijski Kole model, jer uvodi nove parametre k i σ u jedno-disperzijskoj Kole impedansnoj jednačini. Ovi parametri karakterišu širinu intervala oko frakcionog indeksa α i oni su važni za precizniji opis bioimpedansnih osobina ljudske kože. Predloženi modifikovani Kole model mnogo bolje daje fitovanje date eksperimentalne krive u datom frekventnom opsegu u poređenju sa sa postojećim Kole modelima. Fitovanje je urađeno primenom Levenberg-Marquardt algoritma nelinearnih najmanjih kvadrata.sr
dc.description.abstractElectrical impedance measurement data and fractional calculus have been utilized for modeling bioimpedance properties of human skin. We introduced and proposed revisited Cole model using modified distributed order operator based on the Caputo-Weyl fractional derivatives. Our proposed model presents essentially modified single-dispersion Cole model, since it introduces a new parameters k and σ in single-dispersion Cole impedance equation. These parameters characterize the width of interval around fractional index α and they are important for more accurate describing bioimpedance properties of human skin. The impedance spectrum was measured in a finite frequency range up to 100 kHz. Our proposed modified Cole model fits much better to experimental curve in a given frequency range compared to existing Cole models. The fitting is done using the Levenberg-Marquardt nonlinear least squares.en
dc.publisherUniverzitet u Beogradu - Mašinski fakultet, Beograd
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/41006/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceFME Transactions
dc.subjecthuman skinen
dc.subjectfrequency analysisen
dc.subjectfractional calculusen
dc.subjectelectric impedanceen
dc.subjectCole modelen
dc.titleModelovanje bioimpedanse ljudske kože primenom distribuiranog necelog reda modifikovanog kole modelasr
dc.titleModeling of bioimpedance for human skin based on fractional distributed-order modified cole modelen
dc.typearticle
dc.rights.licenseBY
dc.citation.epage81
dc.citation.issue1
dc.citation.other42(1): 74-81
dc.citation.rankM24
dc.citation.spage74
dc.citation.volume42
dc.identifier.doi10.5937/fmet1401075L
dc.identifier.fulltexthttp://machinery.mas.bg.ac.rs/bitstream/id/746/1930.pdf
dc.identifier.scopus2-s2.0-84893761544
dc.type.versionpublishedVersion


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