A method to enhance the nonlinear magnetic plucking for vibration energy harvesters
Michele Rosso,
Simone Cuccurullo,
Filippo Pietro Perli
et al.
Abstract:In this work, a technique to improve the magnetic plucking phenomenon for frequency up-converting piezoelectric energy harvesters is presented. The technique involves using shielded magnets with Neodymium-iron-boron alloy polarized in the opposite direction on a main magnet. The phenomenon is investigated both at the computational and the experimental level. Subsequently, simulations on a mesoscale piezoelectric energy harvester are presented which demonstrate a gain of 17 times if the magnets are shielded in … Show more
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