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Optimization of a Micro Power Unit

[+] Author Affiliations
Iman Khodadad, Iman Shafieloo, Arsen Hajian

Arjae Spectral Enterprises, Waterloo, ON, Canada

Len Ball, Rahul Bhagat, Eihab M. Abdel-Rahman, Ehab El-Saadany, Raafat Mansour

University of Waterloo, Waterloo, ON, Canada

Paper No. DETC2011-48687, pp. 325-332; 8 pages
  • ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 1: 23rd Biennial Conference on Mechanical Vibration and Noise, Parts A and B
  • Washington, DC, USA, August 28–31, 2011
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5478-5
  • Copyright © 2011 by ASME


In this work, we report on the optimization of a micro power unit. The power unit is comprised of an electromagnetic micro power generator (MPG), power conditioning circuits, and an energy storage component. First, we minimize the mechanical impedance of the MPG by optimizing the size of the seismic mass and support beam as well as re-designing the seismic mass. Second, we investigate the use of off-the-shelf dc-dc converters and custom voltage multipliers and transformers to rectify and step-up the output voltage. We find that transformers were best suited for electromagnetic MPG delivering a rectification efficiency of 75%.

Copyright © 2011 by ASME
Topics: Optimization



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