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Analog synaptic devices applied to spiking neural networks for reinforcement learning applications
Cited 1 time in
Web of Science
Cited 0 time in Scopus
- Authors
- Issue Date
- 2022-07
- Publisher
- Institute of Physics Publishing
- Citation
- Semiconductor Science and Technology, Vol.37 No.7, p. 075002
- Abstract
- In this work, we implement hardware-based spiking neural network (SNN) using the thin-film transistor (TFT)-type flash synaptic devices. A hardware-based SNN architecture with synapse arrays and integrate-and-fire (I&F) neuron circuits is presented for executing reinforcement learning (RL). Two problems were used to evaluate the applicability of the proposed hardware-based SNNs to off-chip RL: the Cart Pole balancing problem and the Rush Hour problem. The neural network was trained using a deep Q-learning algorithm. The proposed hardware-based SNNs using the synapse model with measured characteristics successfully solve the two problems and show high performance, implying that the networks are suitable for executing RL. Furthermore, the effect of variations in non-ideal synaptic devices and neurons on the performance was investigated.
- ISSN
- 0268-1242
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