Torah, R, Beeby, S P, Tudor, M J, O'Donnell, T and Roy, S
Development of a Cantilever Beam Generator Employing Vibration Energy Harvestin.
At The 6th Int. Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2006), Berkeley, USA,
29 Nov - 01 Dec 2006.
This paper details the development of a generator based upon a cantilever beam inertial mass system which harvests energy from ambient environmental vibrations. The paper compares the predicted results from Finite Element Analysis (FEA) of the mechanical behaviour and magnetic field simulations and experimental results from a generator. Several design changes were implemented to maximise the conversion of magnetic energy into generated power and a maximum power output of 17.8?W was achieved at a resonant frequency of 56.6Hz and an applied acceleration of 60mg (g = 9.81ms-2).
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