Cho, Hyunjun and Balakrishna, Ashwin and Mao, Yuan and Lee, Jeong-Oen and Choo, Hyuck (2016) Efficient power generation from vocal folds vibrations for medical electronic implants. In: 29th International Conference on Micro Electro Mechanical Systems (MEMS), 2016. IEEE , Piscataway, NJ, pp. 363-366. ISBN 978-1-5090-1973-1. http://resolver.caltech.edu/CaltechAUTHORS:20161013-105036063
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Abstract
The availability of practical, implantable, efficient power generators will proliferate the use of medical electronic implants that can be very useful for treating and managing various medical conditions. Using a vibration-driven power generator, we have successfully generated 0.3-mW/cm2 of electric power continuously from the acousto-mechanical vibrations that originate from the human vocal folds and propagate along the skeletal frame and air passage throughout the head and neck. Our energy harvesters are highly efficient because vocal vibrations excite them at their designed resonant frequencies at 100 and 200 Hz, which are the dominant vocal vibrations of men and women, respectively. In addition, we use laser micromachining to pattern single crystal lead-zirconate-titanate (PZT) sheets for better efficiency. Our harvesters are designed to fit into a square area (1??1 cm2 or smaller) so that they can form a flexible large array to generate more power.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © 2016 IEEE. Date Added to IEEE Xplore: 29 February 2016. The project has been funded by the Caltech CI2 program, Powell Foundation, and Heritage Foundation. | |||||||||
| Group: | Heritage Medical Research Institute | |||||||||
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| Subject Keywords: | Decision support systems, Micromechanical devices | |||||||||
| Record Number: | CaltechAUTHORS:20161013-105036063 | |||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20161013-105036063 | |||||||||
| Official Citation: | H. Cho, A. Balakrishna, Y. Ma, J. O. Lee and H. Choo, "Efficient power generation from vocal folds vibrations for medical electronic implants," 2016 IEEE 29th International Conference on Micro Electro Mechanical Systems (MEMS), Shanghai, 2016, pp. 363-366. doi: 10.1109/MEMSYS.2016.7421636 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 71047 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 13 Oct 2016 18:19 | |||||||||
| Last Modified: | 13 Oct 2016 18:19 |
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