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Appl. Sci. 2016, 6(12), 402; doi:10.3390/app6120402

A Novel Ropes-Driven Wideband Piezoelectric Vibration Energy Harvester

1
Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen 361005, China
2
Department of Mechanical Engineering, New York Institute of Technology, Old Westbury, NY 11568, USA
*
Authors to whom correspondence should be addressed.
Academic Editor: Steve Beeby
Received: 13 October 2016 / Revised: 18 November 2016 / Accepted: 28 November 2016 / Published: 2 December 2016
(This article belongs to the Section Energy)
View Full-Text   |   Download PDF [4859 KB, uploaded 2 December 2016]   |  

Abstract

This paper presents a novel piezoelectric vibration energy harvester (PVEH) in which a high-frequency generating beam (HFGB) is driven by an array of low-frequency driving beams (LFDBs) using ropes. Two mechanisms based on frequency upconversion and multimodal harvesting work together to broaden the frequency bandwidth of the proposed vibration energy harvester (VEH). The experimental results show that the output power of generating beam (GB) remains unchanged with the increasing number of driving beams (DBs), compared with the traditional arrays of beams vibration energy harvester (AB-VEH), and the output power and bandwidth behavior can be adjusted by parameters such as acceleration, rope margin, and stiffness of LFDBs, which shows the potential to achieve unlimited wideband vibration energy-harvesting for a variable environment. View Full-Text
Keywords: ropes-driven wideband vibration energy harvester; frequency upconversion; multimodal; arrays of beams vibration energy harvester ropes-driven wideband vibration energy harvester; frequency upconversion; multimodal; arrays of beams vibration energy harvester
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zhang, J.; Kong, L.; Zhang, L.; Li, F.; Zhou, W.; Ma, S.; Qin, L. A Novel Ropes-Driven Wideband Piezoelectric Vibration Energy Harvester. Appl. Sci. 2016, 6, 402.

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