An electromagnetic vibration powered generator for intelligent sensor systems


Jones, P Glynne, Tudor, MJ, Beeby, SP and White, NM (2002) An electromagnetic vibration powered generator for intelligent sensor systems. UNSPECIFIED

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Description/Abstract

This paper describes the design of a miniature generator capable of converting ambient vibration energy into electrical energy for use in powering intelligent sensor systems. Such a system can be used in inaccessible areas where wires can not be practically attached to provide power or transmit sensor data. A miniature generator, based around four magnets coupled to a coil attached to a cantilever, is discussed in detail. The miniature generator has been tested on a car engine and has been shown to produce a peak power of 3.9 mW with an average power of 157 ìW. Experimental results are also given for the generator�s Q factor in air and vacuum, the output voltage as a function of vibration amplitude as well as its magnetic field strength. Keywords: Microgenerator, energy harvesting, parasitic power source Subject category: System architecture, intelligent sensor systems

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions: Faculty of Physical Sciences and Engineering > Electronics and Computer Science > EEE
ePrint ID: 256657
Date Deposited: 11 Jul 2002
Last Modified: 27 Mar 2014 19:58
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/256657

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