Improving the off-resonance energy harvesting performance using dynamic magnetic preloading

Piezoelectric stack transducers in d 33 mode have a much higher mechanical-to-electric energy conversion efficiency compared with d 31 mode piezoelectric harvesters. However, multilayered piezoelectric stacks usually operate in off-resonance due to the higher stiffness and thereby have a lower power...

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Veröffentlicht in:	Acta mechanica Sinica 2020-06, Vol.36 (3), p.624-634
Hauptverfasser:	Qian, Feng, Zhou, Shengxi, Zuo, Lei
Format:	Artikel
Sprache:	eng
Schlagworte:	Classical and Continuum Physics Computational Intelligence Dynamic models Energy conversion efficiency Energy harvesting Engineering Engineering Fluid Dynamics Exact solutions Excitation Harmonic balance method Harvesters Magnets Parameter identification Piezoelectricity Research Paper Resonance Stiffness Theoretical and Applied Mechanics Transducers
Online-Zugang:	Volltext
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