Reservoir Computing based on Delay-dynamical Systems
Автор: Instituto de Física Interdisciplinar y Sistemas Complejos (IFISC)
Загружено: 2014-05-26
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By: Lennert Appeltant, Vrije Universiteit, Brussels, Belgium
Date: 2012-07-19 11:30:00
Description: Today, except for mathematical operations, our brain functions much faster and more efficient than any supercomputer. It is precisely this form of information processing in neural networks that inspires researchers to create systems that mimic the brain s information processing capabilities. We propose a novel approach to implement these alternative computer architectures, based on delayed feedback. We show that one single nonlinear node with delayed feedback can replace a large network of nonlinear nodes.
First we numerically investigate the architecture and performance of delayed feedback systems as information processing units. Then we elaborate on electronic and opto-electronic implementations of the concept. Next to evaluating their performance for standard benchmarks, we also study task independent properties of the system, extracting information on how to further improve the initial scheme. Finally, some simple modifications are suggested, yielding improvements in terms of speed or performance.
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