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Associative Networks and Perceptron Based on Memristors: Fundamentals and Algorithmic Implementation

  • Catarina DiasEmail author
  • Daniel J. Silva
  • Paulo Aguiar
  • João Ventura
Chapter

Abstract

The present high demand for data classification in novel computing paradigms originated a huge growth in the machine learning field. The next step consists in the hardware implementation of the idealized artificial neural networks, for which memristors grant a low power and scalable solution. The conductance of a memristor (memristance) offers the possibility of working both in binary (0 or 1) or continuous ([0, 1]) states. In the first case, it can represent the nodes in an associative neural network (e.g. a Willshaw network), while in the later it can represent the trainable weights in a classifying perceptron algorithm. This chapter reviews the theoretical basics and algorithm implementation of Willshaw and single-layer perceptron memristor-based networks. The two algorithms, developed using the open-source python language, are made available to the public for particular testing, implementation and further development.

Notes

Acknowledgements

This work was supported in part by projects PTDC/CTM-NAN/122868/2010, PTDC/CTM-NAN/3146/2014 and POCI-01-0145-FEDER-016623. This work was also partially supported by FEDER (Fundo Europeu de Desenvolvimento Regional) funds through the COMPETE 2020 Operacional Programme for Competitiveness and Internationalisation (POCI), Portugal 2020 and by Portuguese funds through FCT (Fundação para a Ciência e a Tecnologia) and Ministério da Ciência, Tecnologia e Inovação in the framework of the project “Institute for Research and Innovation in Health Sciences” (POCI-010145 FEDER-007274) and through the Associated Laboratory—Institute of Nanoscience and Nanotechnology. J. V. acknowledges financial support through FSE/POPH. C. Dias is thankful to FCT for grant SFRH/BD/101661/2014 and Bernardo D. Bordalo for all the help and useful comments.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Catarina Dias
    • 1
    Email author
  • Daniel J. Silva
    • 1
  • Paulo Aguiar
    • 2
    • 3
  • João Ventura
    • 1
  1. 1.Department of Physics and Astronomy, Faculty of Sciences, IFIMUP and IN—Institute of NanotechnologyUniversity of PortoPortoPortugal
  2. 2.i3S Instituto de Investigação e Inovação em SaúdeUniversidade do PortoPortoPortugal
  3. 3.INEB Instituto de Engenharia BiomédicaUniversidade do PortoPortoPortugal

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