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DISCRETE SINE TRANSFORM INTERPOLATION APPROACH TO DESIGN A FRACTIONAL ORDER DIFFERENTIATOR
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Author(s):
HARI PRATAP, NITIN KUMAR, HIMANSHU KUSHWAH
Vol - 7, Issue- 1 ,
Page(s) : 33 - 43
(2017 )
DOI : https://doi.org/10.32804/RJSET
Abstract
In this article, discrete sine transforms interpolation approach is presented for designing a digital fractional order differentiator i.e. (DST-II).First described the definition of fractional differentiation. Then, DST based interpolation method i.e (DST-II) is applied to compute the fractional differentiation of a given digital signal to obtain the transfer function of proposed method i.e. fractional order digital differentiator by using index mapping method. Finally some numerical problems show their effectiveness of the proposed DST-II method as compared to Radial Basis function and Improved design of digital fractional-order differentiators using fractional sample delay.
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