Cited by 132Advanced Memory and Neural ComputingNeural Networks and ApplicationsNeural Networks and Reservoir Computing

Data Clustering using Memristor Networks

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Choi, Shinhyun, Sheridan, Patrick, Lu, Wei D.·2015·Scientific Reports

Abstract

Memristors have emerged as a promising candidate for critical applications such as non-volatile memory as well as non-Von Neumann computing architectures based on neuromorphic and machine learning systems. In this study, we demonstrate that memristors can be used to perform principal component analysis (PCA), an important technique for machine learning and data feature learning. The conductance changes of memristors in response to voltage pulses are studied and modeled with an internal state variable to trace the analog behavior of the device. Unsupervised, online learning is achieved in a memristor crossbar using Sanger's learning rule, a derivative of Hebb's rule, to obtain the principal components. The details of weights evolution during training is investigated over learning epochs as a function of training parameters. The effects of device non-uniformity on the PCA network performance are further analyzed. We show that the memristor-based PCA network is capable of linearly separating distinct classes from sensory data with high clarification success of 97.6% even in the presence of large device variations.

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  • Most of the literature claiming unsupervised learning with memristive devices used software.

    “most of the literature claiming unsupervised learning with memristive devices used software166”

    From Hardware implementation of memristor-based artificial neural networks (2024) · cites this paper as [166]

    The Methods > Simulation section says this paper used Python for memristor-network simulations, and the Discussion describes its unsupervised-learning analysis. That supports this paper as one example of software-based work, but the source does not assess the wider literature or establish that most such work used software. No page numbers are available in our copy. (LLM, conf=0.78)

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  1. Bishop C. M. Pattern recognition and machine learning [ 205] (Springer, New York, 2006).

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Authors
Choi, S., Sheridan, P., & Lu, W. D.
Affiliations
University of Michigan (US)
Corresponding author
Lu, Wei D.
Venue
Scientific Reports
Published
2015-05-28
Volume
5
Issue
1
Pages
10492-10492
ISSN
2045-2322 (ISSN-L)
OpenAlex
W368005490
Cited by
132
References
23
Citations by year
2025: 3 · 2024: 11 · 2023: 13 · 2022: 13 · 2021: 16 · 2020: 19 · 2019: 16 · 2018: 18 · 2017: 12 · 2016: 10 · 2015: 1
FWCI
6.58
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Defense (FA9550)
  • University of Michigan
  • Defense Advanced Research Projects Agency (HR0011, HR0011-13-2-0015)
  • Samsung
  • Multidisciplinary University Research Initiative
  • Air Force Office of Scientific Research (FA9550-, FA9550-12, FA9550‐12‐1‐0038, FA9550‐12‐1)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Memory and Neural Computing
  • Physical Sciences › Computer Science › Artificial Intelligence › Neural Networks and Applications
  • Physical Sciences › Computer Science › Artificial Intelligence › Neural Networks and Reservoir Computing
Keywords
memristors, principal component analysis, memristor crossbar, Hebbian learning, neuromorphic computing, linear classification, feature extraction

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