Functional Approach for Solving Reduced Order of Index-Four Hessenberg Differential-Algebraic Control System

Ghazwa F. Abd and Fazlollah Soleymani

Journal of Mathematics, 2022, vol. 2022, 1-12

Abstract: This research investigates differential-algebraic equations with higher index (index four). Specifically, a functional analytic approach is proposed to find the solution of (index four) Hessenberg differential-algebraic equations (DAEs). The approximate solution of the proposed functional approach for a suitable separable Hilbert space is obtained with the help of the direct optimisation technique and Ritz basis functions method. Illustrations have been ranked from an 8 × 8 test system of index-four Hessenberg linear DAEs to a 4 × 4 DAE of rotating masses as well as an 8 × 8 differential-algebraic generator model, where it reformulated index-four linear Hessenberg DAEs. Their approximate solutions were obtained using the present approach with comparisons. The numerical results demonstrate the simplicity of the proposed approach and express suitable accuracy and efficiency.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:9621026

DOI: 10.1155/2022/9621026

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