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Parametric resonance for vibration energy harvesting with design techniques to passively reduce the initiation threshold amplitude

Parametric resonance for vibration energy harvesting with design techniques to passively reduce the initiation threshold amplitude
Parametric resonance for vibration energy harvesting with design techniques to passively reduce the initiation threshold amplitude
A vibration energy harvester designed to access parametric resonance can potentially outperform the conventional direct resonant approach in terms of power output achievable given the same drive acceleration. Although linear damping does not limit the resonant growth of parametric resonance, a damping dependent initiation threshold amplitude exists and limits its onset. Design approaches have been explored in this paper to passively overcome this limitation in order to practically realize and exploit the potential advantages. Two distinct design routes have been explored, namely an intrinsically lower threshold through a pendulum-lever configuration and amplification of base excitation fed into the parametric resonator through a cantilever-initial-spring configuration. Experimental results of the parametric resonant harvesters with these additional enabling designs demonstrated an initiation threshold up to an order of magnitude lower than otherwise, while attaining a much higher power peak than direct resonance.
1-13
Jia, Yu
12182124-55e3-47c1-991a-228d6edc85ee
Yan, Jize
786dc090-843b-435d-adbe-1d35e8fc5828
Soga, Kenichi
e43028e3-af4d-4ea4-a747-6cc6dacc849b
Seshia, Ashwin A.
6fe2b5b5-e451-41e2-a23a-601c9faf7d8a
Jia, Yu
12182124-55e3-47c1-991a-228d6edc85ee
Yan, Jize
786dc090-843b-435d-adbe-1d35e8fc5828
Soga, Kenichi
e43028e3-af4d-4ea4-a747-6cc6dacc849b
Seshia, Ashwin A.
6fe2b5b5-e451-41e2-a23a-601c9faf7d8a

Jia, Yu, Yan, Jize, Soga, Kenichi and Seshia, Ashwin A. (2014) Parametric resonance for vibration energy harvesting with design techniques to passively reduce the initiation threshold amplitude. Smart Materials and Structures, 23 (6), 1-13, [065011]. (doi:10.1088/0964-1726/23/6/065011).

Record type: Article

Abstract

A vibration energy harvester designed to access parametric resonance can potentially outperform the conventional direct resonant approach in terms of power output achievable given the same drive acceleration. Although linear damping does not limit the resonant growth of parametric resonance, a damping dependent initiation threshold amplitude exists and limits its onset. Design approaches have been explored in this paper to passively overcome this limitation in order to practically realize and exploit the potential advantages. Two distinct design routes have been explored, namely an intrinsically lower threshold through a pendulum-lever configuration and amplification of base excitation fed into the parametric resonator through a cantilever-initial-spring configuration. Experimental results of the parametric resonant harvesters with these additional enabling designs demonstrated an initiation threshold up to an order of magnitude lower than otherwise, while attaining a much higher power peak than direct resonance.

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Accepted/In Press date: 20 March 2014
e-pub ahead of print date: 25 April 2014
Published date: 1 June 2014
Organisations: Nanoelectronics and Nanotechnology

Identifiers

Local EPrints ID: 393251
URI: http://eprints.soton.ac.uk/id/eprint/393251
PURE UUID: 4bef89fa-7df1-4f50-ab6c-c8415f97b024
ORCID for Jize Yan: ORCID iD orcid.org/0000-0002-2886-2847

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Date deposited: 25 Apr 2016 10:22
Last modified: 15 Mar 2024 03:53

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Contributors

Author: Yu Jia
Author: Jize Yan ORCID iD
Author: Kenichi Soga
Author: Ashwin A. Seshia

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