Synchronization between a new chaotic system and R&amp;#x00F6;ssler system by a high gain observer

Lagmiri, S.N.; Amghar, Mustapha; Sbiti, N.

doi:10.1109/mms.2014.7088946

Cited by 2 publications

(3 citation statements)

References 14 publications

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“…In general, it is clear that one cannot use as many sensors as signals of interest characterizing the system behavior for technological constraints, cost reasons, and so on, especially since such signals can come in a quite large number, and they can be of various types: they typically include parameters, time-varying signals characterizing the system (state variables), and unmeasured external disturbances [9,3,20]. As we know, it is almost impossible to measure all the elements of the state vector in practice (e.g., the unknown state variables, fault signals, etc).…”

Section: High Gain Observer Designmentioning

confidence: 99%

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Seven Dimensional New Hyperchatic Systems: Dynamics and Synchronization by a High Gain Observer Design

Lagmiri¹,

Amghar²,

Sbiti³

2017

IJCA

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Section: High Gain Observer Designmentioning

confidence: 99%

“…Thus, to use the hyperchaotic system signal as the encrypted signal has more extensive application prospect [1][2][3][4]. In [5][6][7], the four-dimensional system, the six-dimensional system and their realizing circuits are given, which lays a foundation of the construction of the higher dimensional hyperchaotic system.…”

Section: Introductionmentioning

confidence: 99%

Seven Dimensional New Hyperchatic Systems: Dynamics and Synchronization by a High Gain Observer Design

Lagmiri¹,

Amghar²,

Sbiti³

2017

IJCA

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“…Firstly, we give necessary and sufficient conditions to establish whether the system (4) is observable. Now, consider the following assumptions [5]:…”

Section: Fig 1: Principle Of the Observermentioning

confidence: 99%

Hyperchaos based Cryptography: New Seven Dimensional Systems to Secure Communications

Lagmiri¹,

Amghar²,

Sbiti³

2017

CCS Archive

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The growth of technology and the emphasis on privacy have intensified the need to find a fast and secure cryptographic method. As chaotic signals are usually noise-like and chaotic systems are very sensitive to the initial condition, they can be used in cryptography. We have analyzed the properties of two new hyperchaotic systems that we have developed and then propose a secure chaotic cryptography scheme for the transmission of confidential communication.The purpose of this article is to synchronize our two new hyperchaotic systems. These new systems are the fourth-order and six-order continuous hyperchaotic systems. After studying and verifying the hyperchaotic bihaviour of these systems, a high gain observer class is used to synchronize and stabilize the synchronization error dynamics. Then, a chaotic masking scheme is applied to secure the information between a transmitter and a receiver. The results of the simulations confirm the high performance of the observer designed for these high-dimensional systems and the proposed method leads to an almost perfect restoration of the original signal.

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Synchronization between a new chaotic system and Rössler system by a high gain observer

Cited by 2 publications

References 14 publications

Seven Dimensional New Hyperchatic Systems: Dynamics and Synchronization by a High Gain Observer Design

Seven Dimensional New Hyperchatic Systems: Dynamics and Synchronization by a High Gain Observer Design

Hyperchaos based Cryptography: New Seven Dimensional Systems to Secure Communications

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