A quadratic curve meminductor equivalent analog circuit

A technology of equivalent simulation and quadratic curve, which is applied in the direction of instruments, electrical digital data processing, and special data processing applications, etc., and can solve problems such as unrealized, incomplete mathematical models and circuit models, and few nonlinear circuit characteristics. To achieve the effect of simple structure

Active Publication Date: 2019-06-14
SHANDONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

At present, there are relatively few studies on memristors. The main reason is that compared with memristors, the actual physical devices of memristors have not yet been realized, and their mathematical models and circuit models are not perfect enough. don't know much

Method used

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  • A quadratic curve meminductor equivalent analog circuit
  • A quadratic curve meminductor equivalent analog circuit
  • A quadratic curve meminductor equivalent analog circuit

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0028] The theoretical starting point of the present invention is the general expression of the volt-ampere characteristic of the memristor:

[0029]

[0030] Such as figure 1 As shown, an equivalent analog circuit of a quadratic memristor includes a resistor network, a voltage follower U1, an inverting integrator, an inverting scaler and a multiplier UA1;

[0031] One end of the resistor network is connected to the input end, and the other end is connected to the output of the inverse proportional device U7;

[0032] a voltage follower configured to equalize the output voltage to the input voltage;

[0033] An inverting integrator configured to perform an integral operation on an input voltage; including a first inverting integrator U2 and a second inverting integrator U3; the first inverting integrator U2 and a second inverting integrator...

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Abstract

The invention discloses a quadratic curve meminductor equivalent analog circuit, belongs to the technical field of circuit design, and designs an analog equivalent circuit capable of realizing volt-ampere characteristics of a meminductor. The volt-ampere characteristic of the meminductor is realized by utilizing an analog circuit; specifically, a quadratic curve meminductor volt-ampere characteristic is realized. An integrated operational circuit is used for achieving the corresponding operation in the characteristics of a meminductor, the analog circuit comprises seven operational amplifiersand a multiplier, the integrated operational amplifier is mainly used for achieving voltage following, inverting integration and inverting proportional operation, and the multiplier is used for achieving the product of two input signals. The memristor circuit is simple in structure, can replace an actual meminductor to realize circuit design, experiment and application related to the meminductor under the condition that a nano-scale single isolated memristor device cannot be obtained at present and in the future, and has the important significance for characteristic and application research ofthe meminductor.

Description

technical field [0001] The invention belongs to the technical field of circuit design, and in particular relates to an equivalent analog circuit of a quadratic curve memory sensor. Background technique [0002] As early as 1971, Chua proposed the concept of memristor. Until 2008, HP laboratory used nanotechnology to physically realize memristor. After that, memristor has been widely used in many fields. With the physical realization of memristors, Ventra et al. further broadened the range of memory elements and proposed two new concepts of memory elements: memcapacitors and memristors. Memristor is a new type of circuit element with memory function defined on the basis of memristor. Its biggest advantage is that it can store information without providing power. It can be applied to non-lost storage and learning, adaptation and spontaneous behavior. simulation etc. At present, there are relatively few studies on memristors. The main reason is that compared with memristors, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 袁方邓玥李玉霞宋依萱
Owner SHANDONG UNIV OF SCI & TECH
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