Electromagnetic energy harvester with an in-phase vibration bandwidth broadening technique

Shih Jui Chen; Jia Yin Wu; Shu Yu Liu

doi:10.1109/MEMSYS.2014.6765656

Electromagnetic energy harvester with an in-phase vibration bandwidth broadening technique

Shih Jui Chen, Jia Yin Wu, Shu Yu Liu

Department of Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Abstract

This paper reports a duo-mode vibration structure for increasing usable bandwidth in a micromachined electromagnetic energy harvester. The energy harvester is characterized by using finite element analysis on the vibration frequency and amplitude. Since a spiral diaphragm is much more flexible than a cantilever diaphragm for a given size, a spiral is inserted in to a U-shape cantilever, forming the proposed energy harvester. By designing the coupled structure, not only the resonance frequency is reduced, but also the usable bandwidth is broadened. Experimental results show that the device generates electromotive force of 1.00 and 1.03 mV, 7.66 and 7.43 nW (into 27 ω load) at two resonance frequencies at 211 and 274 Hz, respectively.

Original language	English
Title of host publication	MEMS 2014 - 27th IEEE International Conference on Micro Electro Mechanical Systems
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	382-384
Number of pages	3
ISBN (Print)	9781479935086
DOIs	https://doi.org/10.1109/MEMSYS.2014.6765656
State	Published - 2014
Event	27th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2014 - San Francisco, CA, United States Duration: 26 Jan 2014 → 30 Jan 2014

Publication series

Name	Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
ISSN (Print)	1084-6999

Conference

Conference	27th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2014
Country/Territory	United States
City	San Francisco, CA
Period	26/01/14 → 30/01/14

Access to Document

10.1109/MEMSYS.2014.6765656

Cite this

Chen, S. J., Wu, J. Y., & Liu, S. Y. (2014). Electromagnetic energy harvester with an in-phase vibration bandwidth broadening technique. In MEMS 2014 - 27th IEEE International Conference on Micro Electro Mechanical Systems (pp. 382-384). [6765656] (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MEMSYS.2014.6765656

Chen, Shih Jui ; Wu, Jia Yin ; Liu, Shu Yu. / Electromagnetic energy harvester with an in-phase vibration bandwidth broadening technique. MEMS 2014 - 27th IEEE International Conference on Micro Electro Mechanical Systems. Institute of Electrical and Electronics Engineers Inc., 2014. pp. 382-384 (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)).

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title = "Electromagnetic energy harvester with an in-phase vibration bandwidth broadening technique",

abstract = "This paper reports a duo-mode vibration structure for increasing usable bandwidth in a micromachined electromagnetic energy harvester. The energy harvester is characterized by using finite element analysis on the vibration frequency and amplitude. Since a spiral diaphragm is much more flexible than a cantilever diaphragm for a given size, a spiral is inserted in to a U-shape cantilever, forming the proposed energy harvester. By designing the coupled structure, not only the resonance frequency is reduced, but also the usable bandwidth is broadened. Experimental results show that the device generates electromotive force of 1.00 and 1.03 mV, 7.66 and 7.43 nW (into 27 ω load) at two resonance frequencies at 211 and 274 Hz, respectively.",

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Chen, SJ, Wu, JY & Liu, SY 2014, Electromagnetic energy harvester with an in-phase vibration bandwidth broadening technique. in MEMS 2014 - 27th IEEE International Conference on Micro Electro Mechanical Systems., 6765656, Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), Institute of Electrical and Electronics Engineers Inc., pp. 382-384, 27th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2014, San Francisco, CA, United States, 26/01/14. https://doi.org/10.1109/MEMSYS.2014.6765656

Electromagnetic energy harvester with an in-phase vibration bandwidth broadening technique. / Chen, Shih Jui; Wu, Jia Yin; Liu, Shu Yu.

MEMS 2014 - 27th IEEE International Conference on Micro Electro Mechanical Systems. Institute of Electrical and Electronics Engineers Inc., 2014. p. 382-384 6765656 (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Chen, Shih Jui

AU - Wu, Jia Yin

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N2 - This paper reports a duo-mode vibration structure for increasing usable bandwidth in a micromachined electromagnetic energy harvester. The energy harvester is characterized by using finite element analysis on the vibration frequency and amplitude. Since a spiral diaphragm is much more flexible than a cantilever diaphragm for a given size, a spiral is inserted in to a U-shape cantilever, forming the proposed energy harvester. By designing the coupled structure, not only the resonance frequency is reduced, but also the usable bandwidth is broadened. Experimental results show that the device generates electromotive force of 1.00 and 1.03 mV, 7.66 and 7.43 nW (into 27 ω load) at two resonance frequencies at 211 and 274 Hz, respectively.

AB - This paper reports a duo-mode vibration structure for increasing usable bandwidth in a micromachined electromagnetic energy harvester. The energy harvester is characterized by using finite element analysis on the vibration frequency and amplitude. Since a spiral diaphragm is much more flexible than a cantilever diaphragm for a given size, a spiral is inserted in to a U-shape cantilever, forming the proposed energy harvester. By designing the coupled structure, not only the resonance frequency is reduced, but also the usable bandwidth is broadened. Experimental results show that the device generates electromotive force of 1.00 and 1.03 mV, 7.66 and 7.43 nW (into 27 ω load) at two resonance frequencies at 211 and 274 Hz, respectively.

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BT - MEMS 2014 - 27th IEEE International Conference on Micro Electro Mechanical Systems

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Chen SJ, Wu JY, Liu SY. Electromagnetic energy harvester with an in-phase vibration bandwidth broadening technique. In MEMS 2014 - 27th IEEE International Conference on Micro Electro Mechanical Systems. Institute of Electrical and Electronics Engineers Inc. 2014. p. 382-384. 6765656. (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)). https://doi.org/10.1109/MEMSYS.2014.6765656

Electromagnetic energy harvester with an in-phase vibration bandwidth broadening technique

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