The proposed paper addresses the problem of vibration-to-electric energy conversion using giant magnetostrictive material — TERFENOL-D. Both theoretical and experimental results of the study of performance of magnetostrictive transducer which was built at Chalmers University of Technology are presented. The mathematical models have been developed for modeling of magnetostrictive transducer based on constitutive equations of magnetoelastic behavior of TERFENOL-D rod and standard formulae of electromagnetism for induced voltage and current in the pick-up coil due to variation of magnetic field. The developed models are used to evaluate induced voltage and electrical power output for displacement driven and as well as force driven transducers. Several experiments using test rig generating periodic excitations with frequency up to 1000 Hz have been conducted for newly developed physical prototype of transducer having TERFENOL-D rod with 50 mm in length and 15 mm in diameter as active material. The validity of the transducer model is illustrated by comparison simulation data with experiment. The obtained results of the study the vibration-to-electric energy conversion using TERFENOL-D have confirmed the potential of using giant magnetostrictive materials for power harvesting from vibration.
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ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
September 4–7, 2007
Las Vegas, Nevada, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
0-7918-4802-7
PROCEEDINGS PAPER
TERFENOL-D Based Transducer for Power Harvesting From Vibration
Viktor Berbyuk
Viktor Berbyuk
Chalmers University of Technology, Go¨teborg, Sweden
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Viktor Berbyuk
Chalmers University of Technology, Go¨teborg, Sweden
Paper No:
DETC2007-34788, pp. 735-742; 8 pages
Published Online:
May 20, 2009
Citation
Berbyuk, V. "TERFENOL-D Based Transducer for Power Harvesting From Vibration." Proceedings of the ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 1: 21st Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C. Las Vegas, Nevada, USA. September 4–7, 2007. pp. 735-742. ASME. https://doi.org/10.1115/DETC2007-34788
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