USA As Represented by Secretary of the Navy

Antonio Pistorio

Ardeshir Ratan Bulsara

Salvatore Baglio

Bruno Ando

Vincenzo Marletta

A system that may be used for energy harvesting includes a flexible beam secured between a first support and a second support. The supports are spaced apart at a distance less than a length of the flexible beam such that the beam is buckled. Responsive to external vibrations the flexible beam switches between a first position and a second position. A magnetic proof mass is coupled to the flexible beam at the beam's midpoint. At least one permanent magnet is positioned proximate to the magnetic proof mass and has the same polarity. The permanent magnet is positioned to expose the magnetic proof mass to a repulsive force when the magnetic proof mass is located at both the first position and the second position. Piezoelectric transducers are located above and below the first and second positions of the flexible beam to harvest energy.

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Catania, Italy

Antonio Pistorio