Adaptive fixed-time robust control for function projective synchronization of hyperchaotic economic systems with external perturbations

Stelios Bekiros, Qijia Yao, Jun Mou, Abdulhameed F. Alkhateeb and Hadi Jahanshahi

Chaos, Solitons & Fractals, 2023, vol. 172, issue C

Abstract: In today's sophisticated world, where financial systems play an increasingly important role, the application of controllers through management strategies is of crucial importance, given their vital role. An analysis of the synchronization of economic systems can provide a valuable insight into the financial synchronous development of different countries or regions around the world. In this paper, an adaptive fixed-time control strategy is presented for the function projective synchronization of drive-response hyperchaotic economic systems with unknown parameters and external perturbations. The developed controller is constructed by combining the fixed-time control approach and parametric adaptation technique. Specifically, the adaptive adjusting mechanisms are designed to estimate the unknown parameters and external perturbations, respectively. Stability investigation shows that the function projective synchronization errors under the developed controller can stabilize to the minor fields about zero in fixed time. A key feature of the developed controller is its high insensitive to unknown parameters and strong robustness against external perturbations. Finally, the effectiveness and merits of the presented control strategy are examined by simulation scenarios.

Keywords: Hyperchaotic economic system; Function projective synchronization; Fixed-time control; Adaptive control (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:172:y:2023:i:c:s0960077923005106

DOI: 10.1016/j.chaos.2023.113609

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