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Proceedings Paper

Vibration energy harvesting with polyphase AC transducers
Author(s): James J. McCullagh; Jeffrey T. Scruggs; Takehiko Asai
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Paper Abstract

Three-phase transduction affords certain advantages in the efficient electromechanical conversion of energy, especially at higher power scales. This paper considers the use of a three-phase electric machine for harvesting energy from vibrations. We consider the use of vector control techniques, which are common in the area of industrial electronics, for optimizing the feedback loops in a stochastically-excited energy harvesting system. To do this, we decompose the problem into two separate feedback loops for direct and quadrature current components, and illustrate how each might be separately optimized to maximize power output. In a simple analytical example, we illustrate how these techniques might be used to gain insight into the tradeoffs in the design of the electronic hardware and the choice of bus voltage.

Paper Details

Date Published: 15 April 2016
PDF: 13 pages
Proc. SPIE 9799, Active and Passive Smart Structures and Integrated Systems 2016, 979926 (15 April 2016); doi: 10.1117/12.2225458
Show Author Affiliations
James J. McCullagh, Univ. of Michigan (United States)
Jeffrey T. Scruggs, Univ. of Michigan (United States)
Takehiko Asai, Univ. of Michigan (United States)

Published in SPIE Proceedings Vol. 9799:
Active and Passive Smart Structures and Integrated Systems 2016
Gyuhae Park, Editor(s)

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