17 April 2017 A mathematical model for an integrated self priming dielectric elastomer generator
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Abstract
Dielectric Elastomer Generators (DEG) can capture energy from natural movement sources such as wind, the tides and human locomotion. The harvested energy can be used for low power devices such as wireless sensor nodes and wearable electronics. A challenge for low power DEG is overcoming the losses associated with charge management. A circuit which can do this exists: the Self Priming Circuit (SPC) which consists of diodes and capacitors. The SPC is connected in parallel to the DEG where it transfers charge onto/o_ the DEG based on changes in the DEG capacitance. Modelling and experimental validation of the SPC have been performed in the past, allowing design and implementation of effective SPCs which match a particular DEG. While the SPC is effective, it is still an external circuit which adds additional mass and cost to the DEG. By splitting the DEG into separate capacitors and using them to build an SPC, the Integrated SPC (I-SPC) can be realized. This reduces the components required to build a SPC/DEG and improves the performance. This paper presents a mathematical model with experimental data of a first order I-SPC. Additionally, comparisons between the SPC and I-SPC are drawn.
Conference Presentation
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Patrin K. Illenberger, Patrin K. Illenberger, Katherine E. Wilson, Katherine E. Wilson, E.-F. Markus Henke, E.-F. Markus Henke, Udaya K. Madawala, Udaya K. Madawala, Iain A. Anderson, Iain A. Anderson, } "A mathematical model for an integrated self priming dielectric elastomer generator", Proc. SPIE 10163, Electroactive Polymer Actuators and Devices (EAPAD) 2017, 101630H (17 April 2017); doi: 10.1117/12.2260263; https://doi.org/10.1117/12.2260263
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