Saha, C, O’Donnell, T, Loder, H, Beeby, S and Tudor, J
Optimization of an Electromagnetic Energy Harvesting Device.
IEEE Transactions on Magnetics, 42, (10), .
This paper presents the modeling and optimization of an electromagnetic-based generator for generating power from ambient vibrations. Basic equations describing such generators are presented and the conditions for maximum power generation are described. Two-centimeter scale prototype generators, which consist of magnets suspended on a beam vibrating relative to a coil, have been built and tested. The measured power and modeled results are compared. It is shown that the experimental results confirm the optimization theory.
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