Synchronization of Fractional-Order Complex Chaotic Systems Based on Observers

By designing a state observer, a new type of synchronization named complex modified projective synchronization is investigated in a class of nonlinear fractional-order complex chaotic systems. Combining stability results of the fractional-order systems and the pole placement method, this paper prove...

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Main Authors: Zhonghui Li, Tongshui Xia, Cuimei Jiang
Format: Article
Language:English
Published: MDPI AG 2019-05-01
Series:Entropy
Subjects:
Online Access:https://www.mdpi.com/1099-4300/21/5/481
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author Zhonghui Li
Tongshui Xia
Cuimei Jiang
author_facet Zhonghui Li
Tongshui Xia
Cuimei Jiang
author_sort Zhonghui Li
collection DOAJ
description By designing a state observer, a new type of synchronization named complex modified projective synchronization is investigated in a class of nonlinear fractional-order complex chaotic systems. Combining stability results of the fractional-order systems and the pole placement method, this paper proves the stability of fractional-order error systems and realizes complex modified projective synchronization. This method is so effective that it can be applied in engineering. Additionally, the proposed synchronization strategy is suitable for all fractional-order chaotic systems, including fractional-order hyper-chaotic systems. Finally, two numerical examples are studied to show the correctness of this new synchronization strategy.
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spelling doaj.art-e4e13fc4931741e39893e16324af61cd2022-12-22T02:14:32ZengMDPI AGEntropy1099-43002019-05-0121548110.3390/e21050481e21050481Synchronization of Fractional-Order Complex Chaotic Systems Based on ObserversZhonghui Li0Tongshui Xia1Cuimei Jiang2Business School, Shandong Normal University, Jinan 250014, ChinaBusiness School, Shandong Normal University, Jinan 250014, ChinaSchool of Mathematics and Statistics, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, ChinaBy designing a state observer, a new type of synchronization named complex modified projective synchronization is investigated in a class of nonlinear fractional-order complex chaotic systems. Combining stability results of the fractional-order systems and the pole placement method, this paper proves the stability of fractional-order error systems and realizes complex modified projective synchronization. This method is so effective that it can be applied in engineering. Additionally, the proposed synchronization strategy is suitable for all fractional-order chaotic systems, including fractional-order hyper-chaotic systems. Finally, two numerical examples are studied to show the correctness of this new synchronization strategy.https://www.mdpi.com/1099-4300/21/5/481complex modified projective synchronizationfractional-order complex chaotic systemnonlinear state observer
spellingShingle Zhonghui Li
Tongshui Xia
Cuimei Jiang
Synchronization of Fractional-Order Complex Chaotic Systems Based on Observers
Entropy
complex modified projective synchronization
fractional-order complex chaotic system
nonlinear state observer
title Synchronization of Fractional-Order Complex Chaotic Systems Based on Observers
title_full Synchronization of Fractional-Order Complex Chaotic Systems Based on Observers
title_fullStr Synchronization of Fractional-Order Complex Chaotic Systems Based on Observers
title_full_unstemmed Synchronization of Fractional-Order Complex Chaotic Systems Based on Observers
title_short Synchronization of Fractional-Order Complex Chaotic Systems Based on Observers
title_sort synchronization of fractional order complex chaotic systems based on observers
topic complex modified projective synchronization
fractional-order complex chaotic system
nonlinear state observer
url https://www.mdpi.com/1099-4300/21/5/481
work_keys_str_mv AT zhonghuili synchronizationoffractionalordercomplexchaoticsystemsbasedonobservers
AT tongshuixia synchronizationoffractionalordercomplexchaoticsystemsbasedonobservers
AT cuimeijiang synchronizationoffractionalordercomplexchaoticsystemsbasedonobservers