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Fabrication and characterization of a low frequency electromagnetic energy harvester

Abu Riduan Md. Foisal and Gwiy-Sang Chung

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Abstract: This paper presents the fabrication and characterization of an AA size electromagnetic energy transducer based on vibration. A magnetic spring technique is used to scavenge energy from low frequency external vibration. The output of the harvester is maximized by optimizing the mass of moving and fixed magnets, coil width, coil position and load resistance through a comprehensive experimental analysis. The prototype can generate an open circuit voltage of 3.961 V and 1.18 mW average power at a load resistance of 97 Ω with 9 Hz resonance frequency and 0.5 mm displacement.

Key words: electromagnetic harvesterenergy scavengingvibrationAA sizemagnetic spring

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    Received: 03 December 2014 Revised: 11 February 2012 Online: Published: 01 July 2012

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      Abu Riduan Md. Foisal, Gwiy-Sang Chung. Fabrication and characterization of a low frequency electromagnetic energy harvester[J]. Journal of Semiconductors, 2012, 33(7): 074001. doi: 10.1088/1674-4926/33/7/074001 A R M Foisal, G S Chung. Fabrication and characterization of a low frequency electromagnetic energy harvester[J]. J. Semicond., 2012, 33(7): 074001. doi:  10.1088/1674-4926/33/7/074001.Export: BibTex EndNote
      Citation:
      Abu Riduan Md. Foisal, Gwiy-Sang Chung. Fabrication and characterization of a low frequency electromagnetic energy harvester[J]. Journal of Semiconductors, 2012, 33(7): 074001. doi: 10.1088/1674-4926/33/7/074001

      A R M Foisal, G S Chung. Fabrication and characterization of a low frequency electromagnetic energy harvester[J]. J. Semicond., 2012, 33(7): 074001. doi:  10.1088/1674-4926/33/7/074001.
      Export: BibTex EndNote

      Fabrication and characterization of a low frequency electromagnetic energy harvester

      doi: 10.1088/1674-4926/33/7/074001
      • Received Date: 2014-12-03
      • Accepted Date: 2012-01-16
      • Revised Date: 2012-02-11
      • Published Date: 2012-06-27

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