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Proceedings Paper

Highly-integrated energy harvesting device for rotational applications utilizing quasi-static piezoelectric and electromagnetic generators
Author(s): Marc C. Wurz; Gleb Kleyman; Jens Twiefel
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Paper Abstract

This work addresses the design of an integrated energy harvesting system under production viewpoints. The system is developed to harvest energy from rotational movements. Therefore, a piezoelectric bending element – mounted on the rotational part - is actuated by magnetic force introduced by hard magnets installed in the fixed frame. This work concentrates on a high integration, the energy harvesting circuit, including rectifier, power management and storage is integrated in the structure of the bending harvester. Further the soft magnetic tip mass is equipped with a coil for electromagnetic energy harvesting; the necessary electronic is also integrated in the structure. The paper addresses the special systems demands for large scale production. The production technology for a small series of prototypes is explained in detail. Performance tests of the device conclude this study.

Paper Details

Date Published: 10 April 2013
PDF: 8 pages
Proc. SPIE 8688, Active and Passive Smart Structures and Integrated Systems 2013, 86881L (10 April 2013); doi: 10.1117/12.2012256
Show Author Affiliations
Marc C. Wurz, Leibniz Univ. Hannover (Germany)
Gleb Kleyman, Leibniz Univ. Hannover (Germany)
Jens Twiefel, Leibniz Univ. Hannover (Germany)


Published in SPIE Proceedings Vol. 8688:
Active and Passive Smart Structures and Integrated Systems 2013
Henry Sodano, Editor(s)

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