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A Wave Energy Harvester with Vertical Pendulum and Mag-Boost Mechanism

  • Tianyi Tang
  • , Yunfei Li
  • , Heng Zhao
  • , Lining Sun*
  • , Huicong Liu*
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Soochow University

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

Abstract

This paper presents an ultra-low-frequency and high-power wave energy harvester (WEH). It utilizes a vertical pendulum structure to achieve motion response to ultra-low-frequency wave excitation and then converts the mechanical energy of the pendulum into high-frequency and high-power electrical energy output through the MagBoost Mechanism. The design of WEH ensures stable output even under excitation conditions below 1 Hz. At the excitation frequency of 1.4 Hz and resistance load of 20 ω, the maximum power output can reach 1.16 W with a power density of 0.54 mWcm3. The high energy density allows stable power supplementation for ocean observation buoy within a limited volume, thereby enabling long-Term, unattended operation of the buoy in remote offshore areas.

Original languageEnglish
Title of host publication2024 IEEE 23rd International Conference on Micro and Miniature Power Systems, Self-Powered Sensors and Energy Autonomous Devices, PowerMEMS 2024
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages151-154
Number of pages4
ISBN (Electronic)9798350380200
DOIs
StatePublished - 2024
Externally publishedYes
Event23rd IEEE International Conference on Micro and Miniature Power Systems, Self-Powered Sensors and Energy Autonomous Devices, PowerMEMS 2024 - Tonsberg, Norway
Duration: 18 Nov 202421 Nov 2024

Publication series

Name2024 IEEE 23rd International Conference on Micro and Miniature Power Systems, Self-Powered Sensors and Energy Autonomous Devices, PowerMEMS 2024

Conference

Conference23rd IEEE International Conference on Micro and Miniature Power Systems, Self-Powered Sensors and Energy Autonomous Devices, PowerMEMS 2024
Country/TerritoryNorway
CityTonsberg
Period18/11/2421/11/24

Keywords

  • energy harvesting
  • Mag-Boost mechanism
  • self-powered
  • Wave energy

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