Numerical solution of distributed-order fractional 2D optimal control problems using the Bernstein polynomials

Mohammad Hossein Heydari, Mohsen Razzaghi and Shabnam Zhagharian

International Journal of Systems Science, 2023, vol. 54, issue 10, 2253-2267

Abstract: In this work, a new class of two-dimensional optimal control problems is introduced with the help of distributed-order fractional derivative in the Caputo form. The orthonormal Bernstein polynomials are used to make a numerical method to solve these problems. Through this way, some operational matrices are obtained for the classical and fractional derivatives of these polynomials to make effective utilisation of them in constructing the proposed method. The main advantage of the established method is that it turns the solution of the problem under consideration into a system of algebraic equations by approximating the state and control variables by the expressed polynomials and applying the method of Lagrange multipliers. The accuracy and capability of the proposed approach are investigated by solving some numerical examples.

Date: 2023
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DOI: 10.1080/00207721.2023.2225505

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