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A new reduced-order observer for the synchronization of nonlinear chaotic systems: An application to secure communications

机译:一种用于非线性混沌系统同步的新的降阶观测器:一种用于安全通信的应用

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摘要

This paper deals with the master-slave synchronization scheme for partially known nonlinear chaotic systems, where the unknown dynamics is considered as the master system and we propose the slave system structure which estimates the unknown states. It introduced a new reduced order observer, using the concept of Algebraic Observability; we applied the results to a Sundarapandian chaotic system, and by means of some numerical simulations we show the effectiveness of the suggested approach. Finally, the proposed observer is utilized for encryption, where encryption key is the master system and decryption key is the slave system. (C) 2015 AIP Publishing LLC.
机译:本文讨论了部分未知的非线性混沌系统的主从同步方案,其中未知动力学被认为是主系统,并且我们提出了估计未知状态的从系统结构。它采用代数可观察性概念引入了一个新的降阶观察器。我们将结果应用于Sundarapandian混沌系统,并通过一些数值模拟证明了该方法的有效性。最后,建议的观察者用于加密,其中加密密钥是主系统,解密密钥是从系统。 (C)2015 AIP Publishing LLC。

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