Search Results for author: Joseph S. Friedman

Found 15 papers, 0 papers with code

Deep Neuromorphic Networks with Superconducting Single Flux Quanta

no code implementations21 Sep 2023 Gleb Krylov, Alexander J. Edwards, Joseph S. Friedman, Eby G. Friedman

Neuromorphic circuits are a promising approach to computing where techniques used by the brain to achieve high efficiency are exploited.

Neuromorphic Hebbian learning with magnetic tunnel junction synapses

no code implementations21 Aug 2023 Peng Zhou, Alexander J. Edwards, Frederick B. Mancoff, Sanjeev Aggarwal, Stephen K. Heinrich-Barna, Joseph S. Friedman

Neuromorphic computing aims to mimic both the function and structure of biological neural networks to provide artificial intelligence with extreme efficiency.

Handwritten Digit Recognition

Synchronous Unsupervised STDP Learning with Stochastic STT-MRAM Switching

no code implementations10 Dec 2021 Peng Zhou, Julie A. Smith, Laura Deremo, Stephen K. Heinrich-Barna, Joseph S. Friedman

The use of analog resistance states for storing weights in neuromorphic systems is impeded by fabrication imprecision and device stochasticity that limit the precision of synapse weights.

Experimental Demonstration of Neuromorphic Network with STT MTJ Synapses

no code implementations9 Dec 2021 Peng Zhou, Alexander J. Edwards, Fred B. Mancoff, Dimitri Houssameddine, Sanjeev Aggarwal, Joseph S. Friedman

We present the first experimental demonstration of a neuromorphic network with magnetic tunnel junction (MTJ) synapses, which performs image recognition via vector-matrix multiplication.

Handwritten Digit Recognition

Shape-Dependent Multi-Weight Magnetic Artificial Synapses for Neuromorphic Computing

no code implementations22 Nov 2021 Thomas Leonard, Samuel Liu, Mahshid Alamdar, Can Cui, Otitoaleke G. Akinola, Lin Xue, T. Patrick Xiao, Joseph S. Friedman, Matthew J. Marinella, Christopher H. Bennett, Jean Anne C. Incorvia

In neuromorphic computing, artificial synapses provide a multi-weight conductance state that is set based on inputs from neurons, analogous to the brain.

Analog Seizure Detection for Implanted Responsive Neurostimulation

no code implementations11 Jun 2021 Abbas A. Zaki, Noah C. Parker, Tae-Yoon Kim, Sam Ishak, Ty E. Stovall, Genchang Peng, Hina Dave, Jay Harvey, Mehrdad Nourani, Xuan Hu, Alexander J. Edwards, Joseph S. Friedman

Similarly, power calculations were performed, demonstrating that the system uses $6. 5 \mu W$ per channel, which when compared to the state-of-the-art NeuroPace system would increase battery life by up to $50 \%$.

Bayesian Inference Seizure Detection

Controllable reset behavior in domain wall-magnetic tunnel junction artificial neurons for task-adaptable computation

no code implementations8 Jan 2021 Samuel Liu, Christopher H. Bennett, Joseph S. Friedman, Matthew J. Marinella, David Paydarfar, Jean Anne C. Incorvia

Neuromorphic computing with spintronic devices has been of interest due to the limitations of CMOS-driven von Neumann computing.

Mesoscale and Nanoscale Physics

Domain Wall Leaky Integrate-and-Fire Neurons with Shape-Based Configurable Activation Functions

no code implementations11 Nov 2020 Wesley H. Brigner, Naimul Hassan, Xuan Hu, Christopher H. Bennett, Felipe Garcia-Sanchez, Can Cui, Alvaro Velasquez, Matthew J. Marinella, Jean Anne C. Incorvia, Joseph S. Friedman

This work proposes modifications to these spintronic neurons that enable configuration of the activation functions through control of the shape of a magnetic domain wall track.

Reservoir Computing with Planar Nanomagnet Arrays

no code implementations24 Mar 2020 Peng Zhou, Nathan R. McDonald, Alexander J. Edwards, Lisa Loomis, Clare D. Thiem, Joseph S. Friedman

Reservoir computing is an emerging methodology for neuromorphic computing that is especially well-suited for hardware implementations in size, weight, and power (SWaP) constrained environments.

CMOS-Free Multilayer Perceptron Enabled by Four-Terminal MTJ Device

no code implementations3 Feb 2020 Wesley H. Brigner, Naimul Hassan, Xuan Hu, Christopher H. Bennett, Felipe Garcia-Sanchez, Matthew J. Marinella, Jean Anne C. Incorvia, Joseph S. Friedman

Neuromorphic computing promises revolutionary improvements over conventional systems for applications that process unstructured information.

Exploiting Dual-Gate Ambipolar CNFETs for Scalable Machine Learning Classification

no code implementations9 Dec 2019 Farid Kenarangi, Xuan Hu, Yihan Liu, Jean Anne C. Incorvia, Joseph S. Friedman, Inna Partin-Vaisband

Ambipolar carbon nanotube based field-effect transistors (AP-CNFETs) exhibit unique electrical characteristics, such as tri-state operation and bi-directionality, enabling systems with complex and reconfigurable computing.

BIG-bench Machine Learning Classification +1

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