Piezoelectric array of oscillators with respective electrical rectification

I. C. Lien; Y. C. Shu

doi:10.1117/12.2009208

10 April 2013 Piezoelectric array of oscillators with respective electrical rectification

I. C. Lien, Y. C. Shu

Proceedings Volume 8688, Active and Passive Smart Structures and Integrated Systems 2013; 868806 (2013) https://doi.org/10.1117/12.2009208
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

This article reports the modeling of the parallel connection of multiple piezoelectric oscillators with respective electrical rectification. Such an array structure offers advantages of boosting power output and exhibiting broadband energy harvesting. The theoretical estimates are proposed for different choices of electronic interfaces, including the standard and parallel-/series-SSHI (synchronized switch harvesting on inductor) circuits. It is shown that the electrical response is governed by a set of simultaneous nonlinear equations with constraints indicating blocking by rectifiers. Finally, the validation is carried out by circuit simulations and shows good agreement.

Citation Download Citation

I. C. Lien and Y. C. Shu "Piezoelectric array of oscillators with respective electrical rectification", Proc. SPIE 8688, Active and Passive Smart Structures and Integrated Systems 2013, 868806 (10 April 2013); https://doi.org/10.1117/12.2009208

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