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Dynamic Analysis of the Nonel Rotary Piezoelectric Generator
Abstract:
The method to transfer energy by less-contact magnetic force can decrease mechanical energy loss comparing with that by mechanical contact. In this paper, a novel piezoelectric rotary generator was designed based on the theory of the transition from less-contact magnetic force to the mechanical energy. ANSYS software was used to calculate the driving forces for the piezoelectric cantilever beam from the rotary wheel rotate in the different positions. The periodic driving force for the piezoelectric cantilever beam was obtained by the methods of fitting and Fourier transform. Laws of dynamic performance for piezoelectric cantilever beam were obtained by dynamic analysis. The results show that the low-frequency and variable rotational mechanical energy in the natural environment can be harvested by this novel rotary piezoelectric generator.
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1848-1853
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Online since:
May 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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