Analyses and comparison of an energy harvesting system for dielectric elastomer generators using a passive harvesting concept: the voltage-clamped multi-phase system

Rick van Kessel; Ambroise Wattez; Pavol Bauer

doi:10.1117/12.2084316

1 April 2015 Analyses and comparison of an energy harvesting system for dielectric elastomer generators using a passive harvesting concept: the voltage-clamped multi-phase system

Rick van Kessel, Ambroise Wattez, Pavol Bauer

Author Affiliations +

Proceedings Volume 9430, Electroactive Polymer Actuators and Devices (EAPAD) 2015; 943006 (2015) https://doi.org/10.1117/12.2084316
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

This work investigates a passive Dielectric Elastomer Generator harvesting system which uses only diodes at the generator level. The resulting voltage-clamped topology is presented and its operating principles are explained. Analytical analyses using charge-voltage diagrams form the basis for quantifying the energy output and optimizing the bus voltages. It is shown that for most cycles the energy output tends to be lower compared to active harvesting systems with dedicated converters for each generator, yet the maturity and simplicity make it a preferred solution for short-term deployment. An outlook towards industrialization applied to SBM Offshore’s S3 Wave Energy Converter highlights the advantages of the passive system: simple, robust and low-cost operation using reliable and proven components.

Citation Download Citation

Rick van Kessel, Ambroise Wattez, and Pavol Bauer "Analyses and comparison of an energy harvesting system for dielectric elastomer generators using a passive harvesting concept: the voltage-clamped multi-phase system", Proc. SPIE 9430, Electroactive Polymer Actuators and Devices (EAPAD) 2015, 943006 (1 April 2015); https://doi.org/10.1117/12.2084316

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