Learning in Memristive Neural Network Architectures Using Analog Backpropagation Circuits

Olga Krestinskaya, Khaled N. Salama, Alex Pappachen James

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

The on-chip implementation of learning algorithms would speed up the training of neural networks in crossbar arrays. The circuit level design and implementation of a back-propagation algorithm using gradient descent operation for neural network architectures is an open problem. In this paper, we propose analog backpropagation learning circuits for various memristive learning architectures, such as deep neural network, binary neural network, multiple neural network, hierarchical temporal memory, and long short-term memory. The circuit design and verification are done using TSMC 180-nm CMOS process models and TiO-based memristor models. The application level validations of the system are done using XOR problem, MNIST character, and Yale face image databases.
Original languageEnglish (US)
Pages (from-to)719-732
Number of pages14
JournalIEEE Transactions on Circuits and Systems I: Regular Papers
Volume66
Issue number2
DOIs
StatePublished - Sep 20 2018

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