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Exponential local active memristor simulator

A technology of memristor and emulator, applied in the field of circuit design

Active Publication Date: 2018-10-30
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with passive memristors, the research on local active memristors is still relatively small

Method used

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  • Exponential local active memristor simulator
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  • Exponential local active memristor simulator

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Embodiment Construction

[0013] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0014] The theoretical starting point of the present invention is an expression of an exponential local active memristor mathematical model deduced from the general voltage-controlled memristor mathematical model:

[0015]

[0016] dx / dt=-x 3 +x+u

[0017] Among them, i and u are the current and voltage of the memristor, and x is the state variable of the memristor.

[0018] Such as figure 1 As shown, the emulator circuit of the exponential local active memristor in this embodiment includes an integrated operational amplifier U1, an integrated operational amplifier U2, a multiplier U3, a multiplier U4, a multiplier U5, and component resistors, capacitors, and diodes. Operational amplifier U1 is used to realize differential amplification operation, inverting addition operation, integral operation and inverting amplification operation...

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PUM

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Abstract

The invention discloses an exponential local active memristor simulator. A local active memristor simulator circuit is designed according to a mathematical model. The simulator circuit comprises an integrated operational amplifier U1, an integrated operational amplifier U2, a multiplier U3, a multiplier U4 and a multiplier U5, wherein the integrated operational amplifier U1 is used for achieving differential amplification operation, inverse addition operation, integral operation and inverse amplification operation; the integrated operational amplifier U2 is used for achieving inverse additionoperation, inverse amplification operation and exponent operation; the multipliers U3, U4 and U5 are used for achieving multiplication of signals. In the situation that an actual memristor cannot be obtained at present or in the future, the exponential local active memristor simulator can replace the actual memristor to realize memristor-related circuit design, experiments and application, and hasimportant practical significance for the characteristic and application research on the memristor.

Description

technical field [0001] The invention belongs to the technical field of circuit design, and relates to an exponential local active memristor emulator, in particular to the design and realization of an exponential local active memristor emulator. Background technique [0002] Memristor has non-volatile properties and can be applied in fields such as non-volatile memory, artificial neural network and circuit design. On the basis of memristors, Professor Cai Shaotang proposed the concept of local active memristors. Local active memristors have richer and more complex dynamic behaviors, which are the root cause of the complexity of nonlinear circuits and the maintenance of oscillations. Compared with passive memristors, the research on local active memristors is relatively less. Therefore, it is of great significance to design a simulator of local active memristor and use it to replace the actual memory device for experiment and application research. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): H03H11/48
CPCH03H11/48
Inventor 王光义应佳捷董玉姣
Owner HANGZHOU DIANZI UNIV
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