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An electromagnetic micro power generator for wideband environmental vibrations
Date
2008-07-01
Author
Sari, Ibrahim
Balkan, Raif Tuna
Külah, Haluk
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
.
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This paper presents a wideband electromagnetic vibration-to-electrical micro power generator. The micro generator is capable of generating steady power over a predetermined frequency range. Power is generated by means of the relative motion between a magnet and coils fabricated over resonating cantilevers through electromagnetic induction. The reported generator covers a wide band of external vibration frequency by implementing a number of serially connected cantilevers in different lengths resulting in an array of cantilevers with varying natural frequencies. The device generates 0.4 mu W of continuous power with 10 mV voltage in an external vibration frequency range of 4.2-5 kHz, covering a band of 800 Hz.
Subject Keywords
Micro Power Generation
,
Electromagnetic Power Generation
,
Energy Scavenging
,
Energy Harvesting
,
Frequency Sweeper
URI
https://hdl.handle.net/11511/42565
Journal
SENSORS AND ACTUATORS A-PHYSICAL
DOI
https://doi.org/10.1016/j.sna.2007.11.021
Collections
Department of Mechanical Engineering, Article