Numerical study of piezoelectric energy harvester utilizing motorcycle vibrations

Research output: Contribution to journalConference articlepeer-review

Abstract

A numerical study of the piezoelectric energy harvester is performed to see its visibility for application in harvesting motorcycle vibration. The target vibration of 40-70 Hz is the requirement as it is the frequent vibration during motorcycle operations. A composite cantilever structure of SU-8/Al/PVDF/Al is set as the main body of the structure with a thickness of 200/0.3/5/0.3 μm. The length is set as the study point to see the suitable structure for the application. The study found that by designing the correct length, the cantilever's resonance frequency can match the target vibration frequency; on the other hand longer cantilever results in higher deflection and energy generation of the piezoelectric structure. The study concludes that the length of 33 mm is suitable for covering the 40-70 Hz target vibration with a resonance frequency of 54.3 Hz. The voltage generated is 24.8 mV. This finding is one important step to developing an energy harvester device that can be used in wide applications.

Original languageEnglish
Article number110008
JournalAIP Conference Proceedings
Volume3215
Issue number1
DOIs
Publication statusPublished - 25 Nov 2024
Event18th International Conference on Quality in Research, QiR 2023 - Bali, Indonesia
Duration: 23 Oct 202325 Oct 2023

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