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Browse Conference Publications > Circuits and Systems, 2007. I ... Help

A Batteryless Vibration-based Energy Harvesting System for Ultra Low Power Ubiquitous Applications

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3 Author(s)
Lu Chao ; Dept. of Electron. & Comput. Eng., Hong Kong Univ. of Sci. & Technol. ; Chi-ying Tsui ; Wing-Hung Ki

This paper proposed a vibration driven energy harvesting platform based on piezoelectric material. A new maximum power point tracking (MPPT) method for this platform is also presented. This platform harvests ambient vibration energy as its power source, and is capable of self-starting, and self-powered operation without the need of a battery. The proposed MPPT methodology consumes very little power, and is especially suitable for the environments, where ambient harvested power is very low. System modeling, analysis, and implementation are developed. Simulation results show that the power harvesting efficiency with the proposed MPPT scheme is higher than 90% and the power utilization efficiency of the overall platform is higher than 50%.

Published in:
Circuits and Systems, 2007. ISCAS 2007. IEEE International Symposium on

Date of Conference: 27-30 May 2007

Page(s):
1349 - 1352
E-ISBN :
1-4244-0921-7
Print ISBN:
1-4244-0920-9
INSPEC Accession Number:
9539173
Conference Location :
New Orleans, LA
Digital Object Identifier :
10.1109/ISCAS.2007.378477
Product Type:
Conference Publications

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