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Floating magnetic control memristive simulator

A simulator and geomagnetic technology, applied in the field of memristive simulators, can solve the problems of not being able to ensure that the input and output currents are equal, not supporting analog normative memristive elements, and the input and output currents are not in phase, etc., so as to achieve clear thinking and avoid Effect of voltage drift and improvement of integration accuracy

Inactive Publication Date: 2019-01-11
CHANGZHOU UNIV
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Problems solved by technology

[0003] At present, researchers have proposed many memristive simulators. Some of the output terminals of these simulators work in the "ground" mode, and cannot be connected to the circuit arbitrarily, and will be subject to certain restrictions in application. The other part of the output terminal current i o In fact, it is determined by the peripheral circuit, rather than the current i flowing into the input terminal, which means that the input and output currents at both ends cannot be guaranteed to be equal. These memristive equivalent circuits are not supported for simulating standard memristive elements.
The technical problem to be solved by the present invention is to provide a floating magnetron memristor simulator, which has a simple circuit structure and adopts magnetron to solve the problem of unequal input and output currents. In the practical field, it has research significance and value

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  • Floating magnetic control memristive simulator
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Embodiment Construction

[0020] The present invention will be further described below in conjunction with drawings and embodiments.

[0021] The circuit of the present invention is to design an analog circuit to realize the operation described by the magnetron memristor model.

[0022] The circuit consists of an operational amplifier U 1 , current transmitter U 2 , multiplier U 3 , current transmitter U 4 , current transmitter U 5 and the resistor R 1 , R 2 , R 3 , R 4 and capacitance C 1 .

[0023] The definition of a memristive element is: if a two-terminal element, the magnetic flux at any time There is an algebraic relationship between and the charge q(t)

[0024]

[0025] This relationship can be determined by or Determined by a curve on the plane, the two-terminal element is called a memristive element. When formula (1) is expressed by the single-valued function of magnetic flux, that is Call it a flux-controlled memristor. Therefore, the volt-ampere relationship between t...

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Abstract

The present invention discloses a floating magnetic control memristive simulator. The circuit comprises an operational amplifier U1, a current transmitter U2, a multiplying unit U3, a current transmitter U4, a current transmitter U5 and resistors R1, R2, R3 and R4 and a capacitor C1. The resistors R2 and R3 are connected with the operational amplifier U1 to form a subtraction circuit. The currenttransmitter U2, the resistor R4 and the capacitor C1 form an integral operation circuit. The multiplying unit U3 is configured to achieve multiplication. The current transmitter U4 is connected with the current transmitter U5 to achieve current mirror image. The floating magnetic control memristive simulator employs a simulation circuit to achieve a floating magnetic control memristive function, employs the U4 and the U5 to achieve current mirror image so as to solve the problem that the input / output current is not equal, is simple in structure, high in accuracy, small in error and easy to implement, has a 8-shaped tight hysteresis loop feature and coincides with the memristive model features in theory.

Description

technical field [0001] The invention relates to a memristive simulator, in particular to the design of a floating magnetron memristive simulator. Background technique [0002] In 1971, Professor Cai Shaotang of the University of California predicted the existence of memristive elements and proposed the concept of memristors. Nearly a decade ago, Hewlett-Packard physically realized the memristor for the first time, but the nanotechnology used in the memristor has great difficulties in making it, and it has not yet entered the market as an actual component. Therefore, it is of great significance to design a memristor simulator to replace the actual memristor for experiment and application research. [0003] At present, researchers have proposed many memristive simulators. Some of the output terminals of these simulators work in a "grounded" manner, and cannot be connected to the circuit arbitrarily, and will be subject to certain restrictions in application. o In fact, it is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K19/00
CPCH03K19/00
Inventor 王将徐犇居朱涛包伯成储开斌
Owner CHANGZHOU UNIV
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