Design of a vibration energy harvester based on coupled oscillators

Paulus Schaap, Thijs Blad, Maarten Pieter Lustig, Farbod Alijani

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Abstract

In this paper vibration energy harvesters based on coupled oscillators were compared to single degree of freedom (SDoF) systems. The harvester concepts were compared based on two cases: 1) a signal where a combination of two harmonic motions is continuously present and 2) a signal where the harmonic motions are alternating. Three configurations of the coupled oscillator harvester concept were presented and optimized for maximum power output. It was found that a coupled oscillator with two electromagnetic dampers performed equally well as an array of two SDoF systems. Coupled oscillators with only a single electromagnetic damper performed worse than the SDoF array. A prototype was built to validate the simulations and good correspondence between simulations and experiments was found.

Original languageEnglish
Title of host publicationProceedings of the IEEE 7th International Conference on Control, Mechatronics and Automation, ICCMA 2019
Place of PublicationPiscataway, NJ, USA
PublisherIEEE
Pages395-402
ISBN (Electronic)978-1-7281-3787-2
DOIs
Publication statusPublished - 2019
Event7th IEEE International Conference on Control, Mechatronics and Automation, ICCMA 2019 - Delft, Netherlands
Duration: 6 Nov 20198 Nov 2019

Conference

Conference7th IEEE International Conference on Control, Mechatronics and Automation, ICCMA 2019
CountryNetherlands
CityDelft
Period6/11/198/11/19

Keywords

  • compliant mechanisms
  • energy harvesting
  • non-linear dynamics

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