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Three-valued local active memristor simulator

A memristor and simulator technology, applied in the field of ternary local active memristor simulator, can solve the problem of lack of multi-valued memristor concepts and models, etc.

Inactive Publication Date: 2019-12-20
BINZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the lack of concept and model of multi-valued memristor, it is still in the state of preliminary theoretical analysis and modeling research

Method used

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  • Three-valued local active memristor simulator
  • Three-valued local active memristor simulator
  • Three-valued local active memristor simulator

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Embodiment Construction

[0016] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0017] The theoretical starting point of the present invention is the mathematical expression of the volt-ampere characteristic of the ternary local active memristor:

[0018]

[0019] i and u represent the current and voltage of the three-valued local active memristor, and x represents its internal state variable.

[0020] like figure 1 As shown, after the three-valued local active memristor is powered off (u=0), there are five equilibrium points: Q 1 (-1,0), Q 2 (-0.5,0), Q 3 (0,0), Q 4 (2,0), Q 5 (3,0). According to the kinetic trajectory, Q 1 , Q 3 and Q 5 is an asymptotically stable equilibrium point, and Q 2 and Q 4 is an unstable equilibrium point, so three stable equilibrium states are obtained, that is, x(Q 1 )=-1,x(Q 3 )=0,x(Q 5 )=3, corresponding to three kinds of stable mnemonic values ​​W(x(Q 1 ))=1, W(x(Q ...

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Abstract

The invention discloses a three-valued local active memristor simulator. The local active memristor simulator is designed according to a mathematical model, a simulator circuit comprises an integratedoperational amplifier U1 and multipliers U2, U3, U4, U5 and U6, and the integrated operational amplifier U1 is connected with an input end, namely a test end of voltage u and current i of a three-valued local active memristor; and the integrated operational amplifier U1 and the multipliers U2, U3, U5 and U6 are used for realizing integral operation, summation operation and inverse operation, solving a state variable for controlling a memristor value and obtaining a required memristor control function. And the final memristor current magnitude is obtained through a multiplier U4. The inventionprovides an emulator for realizing characteristics of the three-valued local active memristor, which is used for simulating volt-ampere characteristics of the three-valued local active memristor andis convenient for carrying out experiment and application research on the three-valued local active memristor.

Description

technical field [0001] The invention belongs to the technical field of circuit design, in particular to a three-value local active memristor emulator. Background technique [0002] Memristor is a new type of circuit element, which has the non-volatile characteristics of resistive memory, and has important application prospects in non-volatile memories, digital logic circuits, artificial neural networks and nonlinear circuits. However, the commercialization of memristors has not yet been realized, and its model, characteristics and application circuit design are still in the basic research stage. At present, although a large number of binary memristor models have been proposed, their application range is very limited, and they can only be used in binary logic operations, binary storage and other binary control fields. Multi-valued memristors can realize multi-valued logic operations and multi-valued control. Multi-valued logic is a new generation of logic operation circuits ...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 韩春艳董玉姣
Owner BINZHOU UNIV