Neuron-Synapse IC Chip-set for Large-Scale Chaotic Neural Networks  

Oleh:

Yamamoto, O. ; Aihara, K. ; Horio, Y.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: IEEE Transactions on Neural Networks vol. 14 no. 5 (2003), page 1393-1404.
Topik: chaotic; neuron - synapse; chip - set; large - scale chaotic; neural networks

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: II36.9 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

We propose a neuron - synapse integrated circuit (IC) chip - set for large - scale chaotic neural networks. We use switched - capacitor (SC) circuit techniques to implement a three - internal - state transiently - chaotic neural network model. The SC chaotic neuron chip faithfully reproduces complex chaotic dynamics in real numbers through continuous state variables of the analog circuitry. We can digitally control most of the model parameters by means of programmable capacitive arrays embedded in the SC chaotic neuron chip. Since the output of the neuron is transfered into a digital pulse according to the all - or - nothing property of an axon, we design a synapse chip with digital circuits. We propose a memory - based synapse circuit architecture to achieve a rapid calculation of a vast number of weighted summations. Both of the SC neuron and the digital synapse circuits have been fabricated as IC forms. We have tested these IC chips extensively, and confirmed the functions and performance of the chip - set. The proposed neuron - synapse IC chip - set makes it possible to construct a scalable and reconfigurable large - scale chaotic neural network with 10000 neurons and 100002 synaptic connections.

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