Memristor-based Duffing-van der Pol oscillating circuit

An oscillation circuit and memristor technology, applied in power oscillators, electrical components, etc., can solve problems such as complex circuits, and achieve the effect of simple circuit structure and convenient parameter adjustment.

Active Publication Date: 2014-06-18
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to overcome the existing Duffing-van der Pol oscillating circuit, the present invention generally adopts piecewise linear resistance composed of diodes, operational amplifiers, etc. Complicated defects, invented a Duffing-van der Pol oscillator circuit based on memristor, the circuit structure is simple, and can completely reflect the dynamic behavior of Duffing-Van der Pol oscillator

Method used

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  • Memristor-based Duffing-van der Pol oscillating circuit
  • Memristor-based Duffing-van der Pol oscillating circuit
  • Memristor-based Duffing-van der Pol oscillating circuit

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Embodiment Construction

[0022] The present invention will be further described below with reference to the accompanying drawings and in combination with specific embodiments, so that those skilled in the art can implement it according to the description. The protection scope of the present invention is not limited to the specific embodiments of the present invention.

[0023] The present invention introduces a newly discovered fourth passive circuit element, the memristor, as a nonlinear element, such as figure 1 As shown, a memristor-based Duffing-van der Pol oscillating circuit is built, including: excitation power e(t), resistor R, first capacitor C 1 , the second capacitance C 2 and memristor M;

[0024] One end of the excitation power supply e(t) is connected to one end of the resistor R;

[0025] The other end of the resistor R is respectively connected to the first capacitor C 1 One end of the second capacitor C 2 one end of the connection;

[0026] The second capacitor C 2 The other end...

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Abstract

The invention relates to a memristor-based Duffing-van der Pol oscillating circuit which comprises an excitation power supply e(t), a resistor R, a first capacitor C1, a second capacitor C2 and a memristor M, wherein one end of the excitation power supply e(t) is connected with one end of the resistor R, the other end of the resistor R is respectively connected with one end of the first capacitor C1 and one end of the second capacitor C2, the other end of the second capacitor C2 is connected with one end of the memristor M, and the other ends of the memristor M and the first capacitor C1 are both connected with the other end of the excitation power supply e(t). The oscillating circuit is a second-order oscillating circuit, adopts continuous nonlinear resistors and has the advantages that the circuit structure is simple, parameters are convenient to adjust, and dynamic characteristics of a Duffing-van der Pol oscillator can be completely reserved.

Description

technical field [0001] The invention relates to the technical field of nonlinear circuit systems, in particular to a Duffing-van der Pol oscillating circuit based on a memristor. Background technique [0002] Duffing-van der Pol oscillator is a typical nonlinear oscillating system with complex dynamic behavior. Duffing-van der Pol oscillating circuit has important applications in chaotic secure communication and low-frequency weak signal detection. In addition, many practical systems in the fields of electricity, mechanics, mechanics, optics, chemistry, acoustics, socioeconomics, and biomedicine can be represented by the Duffing-van der Pol model after being simplified. Electronic circuits are the easiest means to physically realize Duffing-van der Pol oscillators. Therefore, Duffing-van der Pol oscillator circuits can be used to simulate the dynamic behavior of these actual systems, and on this basis to study and test the nonlinearity of these systems Vibration control, pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03B5/32
Inventor 陆益民朱志勇黄险峰
Owner GUANGXI UNIV
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