Indonesian Journal of Electrical Engineering and Computer Science
Vol 33, No 2: February 2024

A new approximate solution of the fractional trigonometric functions of commensurate order to a regular linear system

Djamel Boucherma (Research Center in Industrial Technologies CRTI)
Daoud Idiou (Département d’Electronique Université Constantine 1)
Toufik Achour (Research Center in Industrial Technologies CRTI)
Mohamed Lotfi Cherrad (Research Center in Industrial Technologies CRTI)
Khaled Chettah (Research Center in Industrial Technologies CRTI)
Billel Hamadi (Research Center in Industrial Technologies CRTI)



Article Info

Publish Date
01 Feb 2024

Abstract

This paper introduces a novel approach to the approximate solution of linear differential equations associated with principal fractional trigonometry and the R function. This method proposes a solution that is expressed by adding appropriate fractional linear fundamental functions. Laplace transforms of these functions are irrational. Therefore, we rounded these functions to obtain rational functions in the form of damped cosine, damped sine, cosine, sine and exponential functions. This transformation was achieved by utilizing the concept of fractional commensurate order and, as a result, has direct practical relevance to real-world physics. The precision and effectiveness of the approach are demonstrated through illustrative examples of solving fractional linear systems.

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