Modeling of Rotating Piezoelectric Vibration Energy Harvesters with Nonlinear Magnetic Forces

Bin Guo; Zhong Sheng Chen; Cong Cong Cheng; Yong Min Yang

doi:10.4028/www.scientific.net/AMR.945-949.1457

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 945-949Modeling of Rotating Piezoelectric Vibration...

Modeling of Rotating Piezoelectric Vibration Energy Harvesters with Nonlinear Magnetic Forces

Abstract:

A methodology of rotating vibration energy harvesting with nonlinear magnetic forces is studied in this paper. A mathematical model of rotating piezoelectric vibration energy harvesters with nonlinear magnetic forces is built by the Lagrange’s equation and assumed-modes method. The nonlinear model is solved by numerical methods. Then the effects of distance between two magnets are studied. The results demonstrate that the performance of rotating piezoelectric vibration energy harvester with nonlinear magnetic force is better than traditional linear ones when the distance between two magnets is appropriate.

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Periodical:

Advanced Materials Research (Volumes 945-949)

Pages:

1457-1460

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.945-949.1457

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Online since:

June 2014

Authors:

Bin Guo, Zhong Sheng Chen*, Cong Cong Cheng, Yong Min Yang

Keywords:

Nonlinear Magnetic Forces, Piezoelectric Vibration Energy Harvester, Rotating Motions

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