Comparative modelling for vibration scavengers [MEMS energy scavengers]

Author

Sterken, T. ; Baert, K. ; Van Hoof, C. ; Puers, R. ; Borghs, G. ; Fiorini, P.

Author_Institution

MCP, IMEC, Leuven, Belgium

fYear

2004

fDate

24-27 Oct. 2004

Firstpage

1249

Abstract

Conversion of the mechanical energy stored in vibrations into useful electrical energy is possible using three principles: electromagnetic, electrostatic and piezoelectric conversion. In order to build the appropriate device for a given application, a unifying model is proposed for these three principles. A methodology for comparison is presented based on this model in order to match the generator type to the input specifications (frequency, amplitude) and to the requirements at the electrical output, such as load impedance and voltage.

Keywords

direct energy conversion; electric generators; electromagnetic devices; electrostatic devices; micromechanical devices; piezoelectric devices; vibrations; MEMS energy scavengers; electromagnetic generators; electrostatic generators; mechanical energy/electrical energy conversion; piezoelectric generators; velocity damped resonant generators; vibration amplitude; vibration frequency; vibration scavenger comparative modelling; Batteries; Damping; Electrostatics; Frequency; Impedance; Mechanical energy; Packaging; Springs; Vibrations; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Sensors, 2004. Proceedings of IEEE

Print_ISBN

0-7803-8692-2

Type

conf

DOI

10.1109/ICSENS.2004.1426407

Filename

1426407