Design and simulation of core-ring magnet configurations for maximising energy transduction in...
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Design and simulation of core-ring magnet
configurations for maximising energy
transduction in linear actuators and micro-
energy generators
Rathishchandra. R. Gatti, Ian. M. Howard, and
Mikail. F. Lumentut.
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Linear Electromagnetic Transducers
Based on electromagnetic induction.
Solenoid : Electrical to
linear motion
Linear Generator/Energy
Harvesters : Linear motion
to Electrical energy
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Linear transduction applications
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Research ObjectiveTo find out Magnet – Iron
core design configurations
to increase the rate of
change of magnetic flux for
maximizing energy
transduction efficiency.
Magnetostatic numerical
simulation – ANSOFT
Maxwell.
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Motivation : Spatial variation of the magnetic field and its influence
5
R.R. Gatti, and I.M. Howard. (2012).
Electromagnetic Energy Harvesting by
Spatially Varying the Magnetic Field.
Presented at Proceedings of the 2011 2nd
International Congress on Computer
Applications and Computational Science.
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Models considered for numerical simulation
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Results & Discussion
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Iron
Core Ring
magnet
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When applied on SDOF1D EMVEH at lower amplitudes.
Magnet
Coil
Vibration
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• Tapered (TT) design was suitable for achieving the
highest maxima of the magnetic field Bx-max as well
highest spatial variation of the magnetic field.
• The experimentation of the 1TT, 2TT and 4TT
designs for energy performance in the SDOF1D
EMVEH validates that the 1TT design is suitable for
both maximum power and broadband energy
harvesting at very low amplitude of 2 mm.
• Useful for developing electromagnetic transducers
Conclusions