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Power processing circuits for electromagnetic, electrostatic and piezoelectric inertial energy scavengers

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Abstract

Inertial energy scavengers are self-contained devices which generate power from ambient motion, by electrically damping the internal motion of a suspended proof mass. There are significant challenges in converting the power generated from such devices to useable form, particularly in micro-engineered variants. This paper examines this power conversion requirement for each of the cases of electromagnetic, electrostatic and piezo-electric transduction, and presents new circuit approaches for the first two of these.

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Authors and Affiliations

  1. Department of Electrical and Electronic Engineering, Imperial College London, SW7 2AZ, London, UK

    P. D. Mitcheson, T. C. Green & E. M. Yeatman

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  1. P. D. Mitcheson
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  2. T. C. Green
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  3. E. M. Yeatman
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Correspondence to E. M. Yeatman.

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Mitcheson, P.D., Green, T.C. & Yeatman, E.M. Power processing circuits for electromagnetic, electrostatic and piezoelectric inertial energy scavengers. Microsyst Technol 13, 1629–1635 (2007). https://doi.org/10.1007/s00542-006-0339-0

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  • DOI: https://doi.org/10.1007/s00542-006-0339-0

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