Title :
Analog Circuit Implementation of Fractional Order Damped Sine and Cosine Functions
Author :
Nezzari, Hassene ; Charef, A. ; Boucherma, Djamel
Author_Institution :
Unite de Rech. en Technol. Industriel URTI, CSC, Annaba, Algeria
Abstract :
This paper introduces for the first time analog circuit implementations of two fundamental linear fractional order systems whose impulse responses called fractional order damped sine and cosine functions are the inverse Laplace transform of their irrational transfer functions. These analog circuit implementations are derived through rational function approximations of their irrational transfer functions.
Keywords :
Laplace transforms; analogue circuits; inverse transforms; transfer functions; transient response; analog circuit implementation; fractional order damped sine-cosine functions; impulse responses; inverse Laplace transform; irrational transfer functions; rational function approximations; Analog circuits; Function approximation; Laplace equations; Transfer functions; Analog circuit; fractional order differential equation; fractional order system; irrational function; rational function;
Journal_Title :
Emerging and Selected Topics in Circuits and Systems, IEEE Journal on
DOI :
10.1109/JETCAS.2013.2273854