The use of alternative electrical energy sources to batteries is of particular significance to remote sensor systems. A vibration-powered micro-generator, based on a screen printed piezoelectric material, is proposed for this purpose. Theoretical and experimental results show that 2 W can be generated for a vibration frequency of only 80 Hz. The device is not optimized and significant improvements are envisaged in the future.
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White et al. (2001) studied this question.
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