Energy harvesting from mechanical vibrations using piezoelectric cantilever beams

2006 ◽  
Author(s):  
Thomas J. Johnson ◽  
David Charnegie ◽  
William W. Clark ◽  
Michael Buric ◽  
George Kusic
Keyword(s):  
Energy Harvesting ◽  
Cantilever Beams ◽  
Mechanical Vibrations ◽  
Piezoelectric Cantilever

Design, Fabrication, and Testing of a Thermal/Mechanical/Magnetic Hybrid Energy Micro-Harvester

2012 ◽  
Author(s):  
Tien-Kan Chung ◽  
Chia-Yuan Tseng ◽  
Chin-Chung Chen ◽  
Chieh-Min Wang
Keyword(s):  
Energy Harvesting ◽  
Magnetic Energy ◽  
Ferromagnetic Materials ◽  
Energy Sources ◽  
Cantilever Beams ◽  
Hybrid Energy ◽  
Piezoelectric Cantilever ◽  
Electrical Output

In this paper, we report a novel hybrid energy micro-harvester. The harvester utilizes ferromagnetic materials combined with piezoelectric cantilever beams to harvest the energy from a thermal, mechanical, and magnetic energy sources and subsequently convert the energy to an electrical output. In addition to energy-harvesting, the harvester utilizes a non-contact approach in its structure to avoid the wear problem which frequently occurs in conventional structural-contact approaches.

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