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Chen chaotic system switching method and circuit containing x<2> with different fractional orders

A switching system, fractional order technology, applied in the direction of digital transmission system, transmission system, secure communication through chaotic signals, etc., can solve the problems of increasing the switching type of chaotic system, and the chaotic system has not been proposed.

Inactive Publication Date: 2015-06-10
SICHUAN UNIV
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Problems solved by technology

[0002] At present, the existing methods and circuits for switching chaotic systems mainly include the switching between different linear items or nonlinear items in the chaotic system, and the fractional order form based on these two switching modes. Regarding the fractional order chaos of different orders The switching method and circuit of the system have not been proposed yet, and the present invention proposes a method containing x with different fractional orders 2 chen chaos switching system method and circuit, the present invention proposes a novel switching method and circuit of a novel chaotic system, which provides a new way of thinking for increasing the type of chaotic system switching and applying this chaotic system to engineering practice

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  • Chen chaotic system switching method and circuit containing x&lt;2&gt; with different fractional orders
  • Chen chaotic system switching method and circuit containing x&lt;2&gt; with different fractional orders
  • Chen chaotic system switching method and circuit containing x&lt;2&gt; with different fractional orders

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Embodiment Construction

[0030] Below in conjunction with accompanying drawing and preferred embodiment the present invention is described in further detail, see Figure 1-Figure 3 .

[0031] 1. A fraction containing x with different fractional orders 2 The chen chaos switching system method is characterized in that, comprising the following steps:

[0032] (1) containing x 2 The equation of the chen chaotic system i is:

[0033] dx / dt = a ( y - x ) dy / dt = ( c - a ) x + ...

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Abstract

The invention provides a chen chaotic system switching method and circuit containing x<2> with different fractional orders. An operational amplifier U1, an operational amplifier U2, a resistor and a capacitor are utilized for forming an inverting adder and an inverting integrator with different fractional orders. A multiplier U3 and a multiplier U4 are utilized for achieving multiplication, and an analog switch U5 is utilized for achieving selective output of analog signals. LF347Ds are adopted as the operational amplifier U1 and the operational amplifier U2. AD633JNs are adopted as the multiplier U3 and the multiplier U4, and an ADG888 is adopted as the analog switch U5. The operational amplifier U1 is connected with the multiplier U3, the multiplier U4 and the analog switch U5, the operational amplifier U2 is connected with the multiplier U3 and the analog switch U5, the multiplier U3 is connected with the operational amplifier U1, the multiplier U4 is connected with the operational amplifier U2, and the analog switch U5 is connected with the operational amplifier U1 and the operational amplifier U2. The novel chaotic system switching method and circuit provide a new thought for adding chaotic system switching types and facilitating application of the chaotic system to engineering practice.

Description

technical field [0001] The invention relates to a chaotic system and circuit realization, in particular to a chaotic system with different fractional orders 2 The chen chaotic switching system method and circuit. Background technique [0002] At present, the existing methods and circuits for switching chaotic systems mainly include the switching between different linear items or nonlinear items in the chaotic system, and the fractional order form based on these two switching modes. Regarding the fractional order chaos of different orders The switching method and circuit of the system have not been proposed yet, and the present invention proposes a method containing x with different fractional orders 2 chen chaos switching system method and circuit, the present invention proposes a novel switching method and circuit of a new chaotic system, which provides a new idea for increasing the switching type of chaotic system and applying the chaotic system to engineering practice. ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/00
CPCH04L9/001
Inventor 黄媛
Owner SICHUAN UNIV