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Series in Microelectronics
edited by Wolfgang Fichtner
Qiuting Huang
Heinz Jäckel
Hans Melchior
George S. Moschytz
Gerhard Tröster
Thomas von Büren
Body-Worn Inertial
Electromagnetic
Micro-Generators.
2006; 186
pages. €
64,00.
ISBN 3-86628-064-5
Body-worn
sensor networks are likely to have a major impact on health care in the future.
By continuously monitoring the life signs of patients during everyday life they
will allow to detect dangerous medical conditions earlier as well as to improve
diagnoses. One of the obstacles on the way towards this vision is power supply.
Current implementations are impractical as they require frequent battery
replacements, recharging, or have limited lifetime. A possible solution is to
'harvest' human mechanical energy using body-worn inertial (vibration-driven)
generators. This work proposes a novel linear
electromagnetic generator architecture suitable for the power-supply of
body-worn sensor networks. The architecture comprises electromagnetic topology
and mechanical bearing. An optimization methodology is developed as well.
Finally, the feasibility is confirmed by the fabrication and evaluation of a
generator prototype.
Thomas von Büren received the Dipl. El.-Ing.
ETH (MSc) and Dr. sc. ETH (PhD) degrees in
information technology and electrical engineering from the Swiss Federal
Institute of Technology (ETH), Zurich, Switzerland, in 2000 and 2006,
respectively. He joined the Electronics Laboratory at ETH Zurich in 2000 as a
research and teaching assistant in the Wearable Computing Group. His research
interests include micro-power generators and their application in wearable
computing.
Keywords: Body-Worn Generator, Inertial Generator, Micro-Power
Supply, Electromagnetic Micro-Power Generator, Vibration-to-Electric Energy
Conversion, Body-Worn Sensor Networks, Human-Powered Computing, Wearable
Computing
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