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Memristor equivalent simulation circuit

An equivalent analog and memristor technology, applied to the analog circuit of current relationship, effective analog circuit, realizes the voltage field of TiO2 memristor, and can solve the problems of large error, complex principle, and difficulty in accurately simulating the characteristics of memristor , to achieve the effect of simple structure

Active Publication Date: 2013-07-24
ZAOZHUANG SNKSAN INTELLIGENT MACHINERY CO LTD
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Problems solved by technology

[0003] At present, although a small number of memristor simulator models have been reported, most of them are PSPICE simulation models, and a few equivalent circuits composed of hardware equivalent circuits, some of which have relatively complicated principles, make it difficult to realize in practical applications. ; Some have large errors, and it is difficult to accurately simulate the characteristics of actual memristors

Method used

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Embodiment Construction

[0014] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] The theoretical starting point of the present invention is TiO 2 The general expression for the volt-ampere characteristic of a memristor:

[0016] v ( t ) = [ R off - k ∫ - ∞ t i ( t ) dt ] i ( t )

[0017] like figure 1 Shown, this example TiO 2 The memristor analog equivalent circuit includes a resistor network, an integrated operational amplifier U1 and a multiplier U2. The resistor network realizes the series connection of two resistors. The integrated operational amplifier U1 mai...

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Abstract

The invention discloses a memristor equivalent simulation circuit which comprises a resistance network, an integrated operational amplifier U1 and a multiplying unit 2. Two ends of the resistance network are respectively connected input ends (A and B), the resistance network is connected with the integrated operational amplifier U1 which is used for achieving voltage following, reversing amplification and integral operation, the integrated operational amplifier U1 is connected with the multiplying unit 2 connected with the resistance network, and the multiplying unit 2 is used for achieving multiplying of signals. The TiO2 memristor equivalent simulation circuit is used for simulating voltage current characteristics of a memristor and replacing a practical meristor to carry out experiments, application and research.

Description

technical field [0001] The invention belongs to the technical field of circuit design, and relates to an equivalent analog circuit of a memristor, in particular to an 2 The simulation circuit of the memristor voltage and current relationship. Background technique [0002] Memristors are the fourth basic circuit element after resistors, capacitors and inductors. In 2008, HP Labs realized memristors. Memristor has non-volatile and nanoscale structure, and also has the ideal characteristics of pulse state work and regulation of neuronal synapses. Memristor can be applied to non-volatile memory and artificial neural network. However, memristors have not yet entered the market as a practical component due to the difficulties and high costs of nanotechnology. Therefore, it is of great significance to design a memristor equivalent circuit and use it to replace the actual memristor for experimental and applied research. Even after memristors are commercialized, they still exist i...

Claims

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Application Information

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IPC IPC(8): H03K19/00
Inventor 王光义贺洁玲苏平
Owner ZAOZHUANG SNKSAN INTELLIGENT MACHINERY CO LTD
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