Scaling and power density metrics of electromagnetic vibration energy harvesting devices
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In this paper, a review of the vibration energy harvesting literature has been undertaken with the goal of establishing scaling laws for experimentally demonstrated harvesting devices based on electromagnetic transduction, and power density metrics are examined with respect to scaling length, mass, frequency and drive acceleration.Abstract:
A review of the vibration energy harvesting literature has been undertaken with the goal of establishing scaling laws for experimentally demonstrated harvesting devices based on electromagnetic transduction. Power density metrics are examined with respect to scaling length, mass, frequency and drive acceleration. Continuous improvements in demonstrated power density of harvesting devices over the past decade are noted. Scaling laws are developed from observations that appear to suggest an upper limit to the power density achievable with current harvesting techniques.read more
Citations
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A micro electromagnetic generator for vibration energy harvesting
Steve Beeby,Russel Torah,Michael Tudor,Peter Glynne-Jones,Terence O'Donnell,Chitta Saha,Saibal Roy +6 more
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On energy harvesting from ambient vibration
TL;DR: In this article, an elastically mounted magnetic seismic mass moving past a coil, considered previously by several authors, is analyzed in detail. And the overall damping coefficient (part of which is mechanical) is associated with the harvesting and dissipation of energy and also the transfer of energy from the vibrating base into the system.
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An electromagnetic, vibration-powered generator for intelligent sensor systems
TL;DR: In this article, the design of miniature generators capable of converting ambient vibration energy into electrical energy for use in powering intelligent sensor systems is described and experimental results are described and test results presented.