A Novel Ropes-Driven Wideband Piezoelectric Vibration Energy Harvester

作者：Zhang, Jinhui; Kong, Lingfeng; Zhang, Luan; Li, Fang; Zhou, Wei; Ma, Shenglin^*; Qin, Lifeng^*

来源：Applied Sciences-Basel, 2016, 6(12): 402.

DOI：10.3390/app6120402

• ropes-driven wideband vibration energy harvester
• frequency upconversion
• multimodal
• arrays of beams vibration energy harvester

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.

• 出版日期2016-12
• 单位厦门大学