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A HYBRID-TYPE VIBRATION ENERGY HARVESTER
HU Junhui *,LIU Pengzhan
State Key Lab of Mechanics and Control of Mechnical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016
*Correspondence author
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Funding: The Ministry of Education of PRC （No.No. 20123218110004）
Opened online:20 June 2016
Accepted by: none
Citation: HU Junhui,LIU Pengzhan.A HYBRID-TYPE VIBRATION ENERGY HARVESTER[OL]. [20 June 2016] http://en.paper.edu.cn/en_releasepaper/content/4697908
 
 
In this paper, a novel hybrid-type vibration energy harvester utilizing electromagnetic induction and piezoelectricity has been presented. The device consists of one electromagnetic module and two piezoelectric modules. The electromagnetic induction module consists of two pairs of permanent magnets and one enameled copper coil. The two piezoelectric modules utilize the impact and impact-induced structural vibration, respectively.The apparent size of the device is 55mm (length)*35mm(width)*50mm(height). It was experimentally found that electrical power generated by the electromagnetic induction module is the maximum of the three modules, and total electrical power generated can be up to 0.23 mW when the device has a vibration amplitude of 4.5 mm and vibration frequency of 13 Hz.
Keywords:Engineering Mechanics; Vibration Energy Harvesting; Hybrid-type
 
 
 

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