Signal generator based on chaotic synchronization and anti-synchronization switching

A signal generator and chaotic synchronization technology, applied in the field of nonlinear systems, can solve problems such as rare synchronization research

Inactive Publication Date: 2016-11-16
YULIN NORMAL UNIVERSITY
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Problems solved by technology

However, most of the current research on chaotic synchronization focuses on systems with the same structure or the same dimension, and the synchronization research between chaotic systems with different structures is still rare.

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  • Signal generator based on chaotic synchronization and anti-synchronization switching
  • Signal generator based on chaotic synchronization and anti-synchronization switching
  • Signal generator based on chaotic synchronization and anti-synchronization switching

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Embodiment Construction

[0080] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings and preferred embodiments. It is to be understood, however, that many of the details set forth in the specification are merely provided to provide the reader with a thorough understanding of one or more aspects of the invention, and that aspects of the invention may be practiced without these specific details.

[0081] The inventor of the present invention considers that most of the current researches on chaotic synchronization focus on systems with the same structure or the same dimension, and there are few researches on synchronization between chaotic systems with different structures. From the perspective of future development trends, the synchronization between chaotic systems with heterogeneous structures has more practical value, such as the application of ch...

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Abstract

The invention discloses a signal generator based on chaotic synchronization and anti-synchronization switching. The signal generator comprises a driving unit, a parameter correction unit, a synchronization and anti-synchronization switching unit and a response unit. System parameters of the driving unit are unknown, and the driving unit is used for generating a chaotic driving signal based on a three-dimensional Qi system; the parameter correction unit is used for adaptively correcting the system parameters of the driving unit and the response unit according to the chaotic driving signal and a signal fed back by the response unit; the synchronization and anti-synchronization switching unit is used for controlling the response unit and the driving unit to be in a synchronization state or an anti-synchronization state according to a control instruction; and the response unit is a four-dimensional hyper-chaotic Lu system and is used for implementing synchronization or anti-synchronization with the driving unit under the control of the synchronization and anti-synchronization switching unit. According to the signal generator disclosed by the invention, adaptive synchronization and anti-synchronization control can be implemented on the three-dimensional Qi system and the four-dimensional hyper-chaotic Lu system with the unknown parameters, and rapid switching of synchronization and anti-synchronization is carried out on two systems by utilizing an electronic switch.

Description

technical field [0001] The invention relates to the field of nonlinear systems, in particular to a signal generator based on chaotic synchronization and anti-synchronization switching. Background technique [0002] Since Pecora L.M and Carroll T.L pioneered the synchronization of chaotic systems in 1990, chaotic synchronization has become a hot issue in the field of nonlinear research. Huge potential applications. To effectively experiment the synchronization and control of chaos, many feasible methods have been proposed, such as adaptive synchronization, active-passive synchronization, coupled synchronization, projection synchronization, linear feedback control, and sliding mode control. However, most of the current researches on chaotic synchronization focus on systems with the same structure or the same dimension, and there are few studies on synchronization between chaotic systems with different structures. From the perspective of future development trends, the synchro...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00
CPCH04L9/001
Inventor 刘永建庞寿全
Owner YULIN NORMAL UNIVERSITY
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