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Erschienen in: Arabian Journal for Science and Engineering 8/2022

11.02.2022 | Research Article-Computer Engineering and Computer Science

Design of an Analog Time-Varying Audio Cryptography System Based on Sliding Mode Synchronization of Non-identical Chaotic Systems Described with Time-Delayed Fractional-Order Dynamics

verfasst von: Susan Razmara, Meisam Yahyazadeh

Erschienen in: Arabian Journal for Science and Engineering | Ausgabe 8/2022

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Abstract

In this study, first, a comprehensive robust control approach is proposed for projective synchronization of chaotic systems with dissimilar structures, mismatched time delays, non-identical fractional derivative orders, uncertainties, and external disturbances based on fractional-order sliding mode control strategy and fractional-order Lyapunov stability theorem. The synchronized systems are then utilized to design an analog time-varying audio cryptography system, which can secretly send voice messages through insecure communication channels. Finally, the results of numerical simulations along with security analysis demonstrate that the designed audio cryptography system has more accurate and secure results and easier practical implementation than previous audio cryptography systems.

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Metadaten
Titel
Design of an Analog Time-Varying Audio Cryptography System Based on Sliding Mode Synchronization of Non-identical Chaotic Systems Described with Time-Delayed Fractional-Order Dynamics
verfasst von
Susan Razmara
Meisam Yahyazadeh
Publikationsdatum
11.02.2022
Verlag
Springer Berlin Heidelberg
Erschienen in
Arabian Journal for Science and Engineering / Ausgabe 8/2022
Print ISSN: 2193-567X
Elektronische ISSN: 2191-4281
DOI
https://doi.org/10.1007/s13369-022-06606-x

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