History and Progress of Fractional-Order Element Passive Emulators

A. Kartci, N. Herencsar, J. T. Machado, L. Brancik

History and Progress of Fractional-Order Element Passive Emulators

Číslo: 2/2020
Periodikum: Radioengineering Journal
DOI: 10.13164/re.2020.0296

Klíčová slova: Circuit synthesis, constant phase element, fractional-order capacitor, fractional-order element, fractional-order emulator, RC network, RL network

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Anotace: This paper presents a state-of-the-art survey in the area of fractional-order element passive emulators adopted in circuits and systems. An overview of the different approximations used to estimate the passive element values by means of rational functions is also discussed. A short comparison table highlights the significance of recent methodologies and their potential for further research. Moreover, the pros and cons in emulation of FOEs are analyzed.