Improved Energy Harvesting from Wideband Vibrations by Nonlinear Piezoelectric Converters

@inproceedings{Ferrari2010ImprovedEH,
  title={Improved Energy Harvesting from Wideband Vibrations by Nonlinear Piezoelectric Converters},
  author={Marco Ferrari and Vittorio Ferrari and Michele Guizzetti and Bruno And{\`o} and Salvatore Baglio and Carlo Trigona},
  year={2010}
}
Abstract Vibration harvesters typically are linear mass-spring devices working at resonance. A different approach is here proposed based on nonlinear converters that exploit stochastic resonance with white-noise excitation. It consists of a piezoelectric beam converter coupled to permanent magnets to create a bistable system. Under proper conditions, the system bounces between two stable states in response to random excitation, which significantly improves energy harvesting from wide-spectrum… CONTINUE READING

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