A 2DOF MEMS Vibrational Energy Harvester

K. Tao, L. H. Tang, J. Wu, J. M. Miao

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

In this paper, a novel two-degree-of-freedom (2DOF) MEMS electromagnetic vibration energy harvesting system is proposed. The dual-mass resonant structure that comprises of a primary mass and an accessory mass is structured on silicon-on-insulator (SOI) wafer by double-sided deep reactive-ion etching (DRIE). Unlike previous 2DOF harvesters, the induction coil is only patterned on the primary mass for energy conversion. By carefully adjusting the weight of accessory mass, the first two resonances of the primary mass can be tuned close to each other while maintain comparable magnitudes. Therefore, both resonances could contribute to energy harvesting that make the system more efficient and adaptive in frequency-variant vibrational circumstances. With the current prototype, two close resonances with a frequency ratio of only 1.19 and comparable peaks are achieved, providing good validation for the modeling results.

Original languageEnglish
Title of host publication2018 IEEE 8th International Nanoelectronics Conferences, INEC 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages9-10
Number of pages2
ISBN (Print)9781538642504
DOIs
StatePublished - 20 Aug 2018
Event8th IEEE International Nanoelectronics Conferences, INEC 2018 - Kuala Lumpur, Malaysia
Duration: 3 Jan 20185 Jan 2018

Publication series

Name2018 IEEE 8th International Nanoelectronics Conferences, INEC 2018

Conference

Conference8th IEEE International Nanoelectronics Conferences, INEC 2018
Country/TerritoryMalaysia
CityKuala Lumpur
Period3/01/185/01/18

Fingerprint

Dive into the research topics of 'A 2DOF MEMS Vibrational Energy Harvester'. Together they form a unique fingerprint.

Cite this