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Synchronous control method for uncertain time-delay chaotic system

A chaotic system and synchronous control technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve the problems of indistinguishability, information loss, etc., and achieve the effect of improving security, improving control efficiency, and being easy to implement

Inactive Publication Date: 2019-04-05
HARBIN UNIV OF SCI & TECH
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Problems solved by technology

On the one hand, the exponential divergence represented by chaos makes the distinguishable distribution on the chaotic attractor become indistinguishable after long-term motion, resulting in information loss

Method used

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  • Synchronous control method for uncertain time-delay chaotic system
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  • Synchronous control method for uncertain time-delay chaotic system

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] see figure 1 , the present invention provides the following technical solution: a method for synchronous control of an uncertain time-delay chaotic system, comprising the following steps:

[0031] A. Determine the synchronization error system according to the master-slave chaotic system mathematical model;

[0032] B. Determine the sliding surface equation;

[0033] C. Design the adaptive sliding mode controller according to the synchronous error syst...

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Abstract

The invention discloses a synchronous control method for an uncertain time-delay chaotic system. The method comprises the following steps that: A: according to a master and slave chaotic system mathematical model, determining a synchronous error system; B: determining a sliding mode surface equation; and C: according to the synchronous error system and the sliding mode surface equation, designingan adaptive sliding mode controller. The control method adopted by the invention is easy in implementation, can have a wide application prospect in the fields, including radars, secure communication,electronic countermeasure and the like, the safety of secure communication is improved, and control efficiency is greatly improved.

Description

technical field [0001] The invention relates to the technical field of chaos control, in particular to a method for synchronous control of an uncertain time-delay chaos system. Background technique [0002] Chaos is an important form of motion in nonlinear systems. Chaos phenomena exist widely in social life. Because of its high sensitivity to initial values ​​and unpredictability, the study of chaotic systems is very important. The research on the chaotic system also fully embodies the idea of ​​two sides of things. When chaos is beneficial, we use scientific methods to strengthen its chaotic effect to serve us better, such as using the chaotic phenomenon in astrodynamics to design aerospace The trajectory of the device can be used to reduce fuel consumption; the principle of chaos can be used to improve the mixing efficiency of fluids with different densities; the principle of chaos mechanics can be used to improve the treatment of Parkinson's and other diseases. For harm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 高俊山张玉双徐海兵
Owner HARBIN UNIV OF SCI & TECH
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