Emulation of a constant phase element by utilizing a lattice structure based fractional-order differentiator

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dc.authorid0000-0002-0029-7436en_US
dc.authorid0000-0002-0915-1804en_US
dc.contributor.authorRezazadehshabilouyoliya, Vahid
dc.contributor.authorAtasoyu, Mesut
dc.contributor.authorÖzoğuz, Serdar
dc.date.accessioned2020-12-30T08:26:02Z
dc.date.available2020-12-30T08:26:02Z
dc.date.issued2020
dc.departmentAÇÜ, Mühendislik Fakültesien_US
dc.description.abstractIn this paper, we propose a modular Constant Phase Element (CPE) emulator, the approximation order of which is electronically adjustable. In this way, the emulator provides a limited approximation error over a range of the parameter alpha, the order of the CPE. A fractional-order differentiator has been utilized in the emulator, which is realized by rational integer-order approximations implemented based on a lattice-type structure. The advantage of lattice-type implementation is the possibility of easily changing the order of approximation. It also provides the flexibility of compromising the approximation accuracy with power consumption. The emulator is accurate over five decades of frequency [0.1 Hz, 10 kHz] and provides electronic adjustability of the CPE capacitance, order, and operation frequency. The simulation results confirm the performance of the emulator. Two fractional band-pass filters (FBPF) are presented as an application of the CPE emulator, which are employed in electroencephalography (EEG) signal processing. One of the FBPFs is employed in extracting theta and alpha waves in the frequency range of 3-13 Hz; while the other filter is used for extracting the beta waves in the range of 13-30 Hz. The power consumption of the simulated FBPFs are 2.871 mu W and 1.836 mu W, respectively.
dc.identifier.citationRezazadehshabilouyoliya, V., Atasoyu, M., & Ozoguz, S. (2020). Emulation of a constant phase element by utilizing a lattice structure based fractional-order differentiator. AEU-International Journal of Electronics and Communications, 127, 153418.en_US
dc.identifier.doi10.1016/j.aeue.2020.153418
dc.identifier.scopusqualityN/A
dc.identifier.urihttps://hdl.handle.net/11494/2508
dc.identifier.volume127en_US
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorAtasoyu, Mesut
dc.language.isoenen_US
dc.publisherElsevier GMBHen_US
dc.relation.ispartofAEÜ - International Journal of Electronics and Communications
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectConstant-phase elementen_US
dc.subjectFractional-order circuiten_US
dc.subjectFractional-order filtersen_US
dc.subjectCMOSen_US
dc.titleEmulation of a constant phase element by utilizing a lattice structure based fractional-order differentiatoren_US
dc.typeArticle

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