Design of a 2dof vibrational energy harvesting device

Jang, S.-J., Rustighi, E., Brennan, M., Lee, Y.P. and Jung, H.-J. (2010) Design of a 2dof vibrational energy harvesting device. Journal of Intelligent Material Systems and Structures, 22, (5), 443-448. (doi:10.1177/1045389X10393766).


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A novel design method for a 2DOF energy harvesting device is studied. The energy harvesting device is modeled as a rigid body supported by two parallel sets of springs and dampers. The impedance expression for the model has been developed by utilizing the concept of the inerter. The proposed design method deals with tuning two resonant peaks and equalizing the harvested power at those frequencies. As a result, the proposed energy harvesting device is particularly effective at two frequencies and has increased bandwidth as well as reduced size and weight in comparison with previous SDOF devices. A numerical design example is provided to show effectiveness of the proposed method.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1177/1045389X10393766
ISSNs: 1045-389X (print)
1530-8138 (electronic)
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions : University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Dynamics
Faculty of Engineering and the Environment > Institute of Sound and Vibration Research
ePrint ID: 181957
Accepted Date and Publication Date:
29 December 2010Published
Date Deposited: 26 Apr 2011 10:49
Last Modified: 31 Mar 2016 13:36

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