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    a tunable multi-stable piezoelectric vibration energy harvester

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    lih2021m-1a.pdf (6.479mb)
    date
    2021
    author
    li, haining
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    abstract
    the vibration energy harvester is intended to convert ambient environmental energy into electrical energy. it has great potential to be an alternative to the conventional battery in low-power electric devices. a traditional vibrating energy harvester consists of a linear oscillator that operates in a narrow frequency band. nonlinear energy harvesters provide a promising solution to widen the operating bandwidth. based on the system stability states, the nonlinear vibration energy harvesters can be classified as mono-stable and multi-stable. in this study, a tunable multi-stable piezoelectric energy harvester is proposed. the apparatus can be manually tuned to achieve three states, namely tri-stable, bi-stable, and mono-stable. it has a compact structure compared to the existing designs. [...]
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    https://knowledgecommons.lakeheadu.ca/handle/2453/4966
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    • electronic theses and dissertations from 2009 [1612]

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