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Test and Validation of a Nonlinear Electromagnetic Energy Harvester

[+] Author Affiliations
Mohamed Bendame, Eihab Abdel-Rahman

University of Waterloo, Waterloo, ON, Canada

Mostafa Soliman

Electronics Research Institute, Giza, Egypt

Paper No. DETC2014-35093, pp. V004T09A030; 9 pages
doi:10.1115/DETC2014-35093
From:
  • ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 4: 19th Design for Manufacturing and the Life Cycle Conference; 8th International Conference on Micro- and Nanosystems
  • Buffalo, New York, USA, August 17–20, 2014
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-4635-3
  • Copyright © 2014 by ASME

abstract

We investigate a new type of nonlinear vibration energy harvester that uses a double impact oscillator as its harvesting element. A prototype of the harvester is analyzed numerically and experimentally when aligned vertically. Results show that the new architecture enhanced the output power as well as the frequency bandwidth in comparison with linear harvesters. The new harvester is capable of generating up to 250 mV and has a harvesting bandwidth of about 6 Hz. The optimal load for 0.7 g input acceleration is found to be 5.5 Ω and the corresponding optimal power is determined to be 8 mWatts.

Copyright © 2014 by ASME

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