Possibility of Energy Extraction from Noise under Stochastic Resonance

Abstract eng:
Noise must be restrained at sensing and data processing. However, in nature, noise inevitably appears through energy spread surrounding us. From a viewpoint of energy harvesting, it has been shown that resonators can absorb energy from the excitation around each resonant frequency. In the sinusoidal vibration, the energy exchange depends on the on-site resonance and inter-cite phase between resonators and exciters. The simple noise with finite number of frequencies causes the difficulty of energy extraction. This paper discusses the stochastic resonance, when unidirectional energy flow works for energy harvesting.

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