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Open-loop power conditioning for vibration energy harvesters.

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Title: Open-loop power conditioning for vibration energy harvesters.
Authors: Burrow, S. G.1 stephen.burrow@bristol.ac.uk, Clare, L. R.1
Source: Electronics Letters (Institution of Engineering & Technology). 9/10/2009, Vol. 45 Issue 19, p999-1000. 2p. 2 Diagrams, 3 Graphs.
Subjects: Electric impedance, Voltage regulators, Electric circuits, Electric controllers, Electricity
Abstract: Energy harvesters feature a high impedance output that complicates subsequent power conditioning because operation in the peak power region violates the stability criterion for converters with voltage regulation. By using a flyback converter in open-loop discontinuous mode and a shunt voltage regulator, it is demonstrated that a harvester can be operated in an optimal manner whilst ensuring stability. A circuit is described that draws the unity power factor from the harvester, provides output voltage regulation and consumes 180 µW of quiescent power. [ABSTRACT FROM AUTHOR]
Copyright of Electronics Letters (Institution of Engineering & Technology) is the property of Institution of Engineering & Technology and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 44150743
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Open-loop power conditioning for vibration energy harvesters.
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  Data: <searchLink fieldCode="AR" term="%22Burrow%2C+S%2E+G%2E%22">Burrow, S. G.</searchLink><relatesTo>1</relatesTo><i> stephen.burrow@bristol.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Clare%2C+L%2E+R%2E%22">Clare, L. R.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Electronics+Letters+%28Institution+of+Engineering+%26+Technology%29%22">Electronics Letters (Institution of Engineering & Technology)</searchLink>. 9/10/2009, Vol. 45 Issue 19, p999-1000. 2p. 2 Diagrams, 3 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Electric+impedance%22">Electric impedance</searchLink><br /><searchLink fieldCode="DE" term="%22Voltage+regulators%22">Voltage regulators</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+circuits%22">Electric circuits</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+controllers%22">Electric controllers</searchLink><br /><searchLink fieldCode="DE" term="%22Electricity%22">Electricity</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Energy harvesters feature a high impedance output that complicates subsequent power conditioning because operation in the peak power region violates the stability criterion for converters with voltage regulation. By using a flyback converter in open-loop discontinuous mode and a shunt voltage regulator, it is demonstrated that a harvester can be operated in an optimal manner whilst ensuring stability. A circuit is described that draws the unity power factor from the harvester, provides output voltage regulation and consumes 180 µW of quiescent power. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Electronics Letters (Institution of Engineering & Technology) is the property of Institution of Engineering & Technology and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1049/el.2009.0570
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      – Code: eng
        Text: English
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      – SubjectFull: Electric impedance
        Type: general
      – SubjectFull: Voltage regulators
        Type: general
      – SubjectFull: Electric circuits
        Type: general
      – SubjectFull: Electric controllers
        Type: general
      – SubjectFull: Electricity
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      – TitleFull: Open-loop power conditioning for vibration energy harvesters.
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              Text: 9/10/2009
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