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    A New Approach to Wide Bandwidth Energy Harvesting for Piezoelectric Cantilever Based Harvesters

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    Turner_JA_T_2013.pdf (1.147Mb)
    Downloads: 1751
    Date
    2013-03-27
    Author
    Turner, John Andrew
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    Abstract
    This thesis proposes a control system to widen the bandwidth of piezoelectric transducers (PZTs) for vibration energy harvesting while extracting maximum power. A straightforward complex conjugate match achieves maximum power transfer only at a single frequency while requiring an impractically large inductance. The proposed system intends to address these problems. It incorporates a bi-directional DC/DC converter with feed-forward control to achieve a complex conjugate match over a wide range of frequencies.  Analysis of the proposed system and simulation results are presented to verify validity of the proposed method.
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    http://hdl.handle.net/10919/19301
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    • Masters Theses [21552]

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