Series-Parallel Charge Pump Conditioning Circuits for Electrostatic Kinetic Energy Harvesting

This paper presents a new family of conditioning circuits used in electrostatic kinetic energy harvesters (e-KEHs), generalizing a previously reported conditioning circuit known as the Bennet's doubler. The proposed topology implements a conditioning scheme described by a rectangular charge-vol...

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Vydáno v:IEEE transactions on circuits and systems. I, Regular papers Ročník 64; číslo 1; s. 227 - 240
Hlavní autoři: Karami, Armine, Galayko, Dimitri, Basset, Philippe
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.01.2017
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Aspect ratio
Capacitance
Capacitors
Charge pumps
Circuits
Conditioning
Conditioning circuits
Cycle ratio
electrostatic kinetic energy harvesting
Electrostatics
energy conversion
Energy harvesting
Kinetic energy
series-parallel charge pumps
Topology
Transducers
ISSN:1549-8328, 1558-0806
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Shrnutí:This paper presents a new family of conditioning circuits used in electrostatic kinetic energy harvesters (e-KEHs), generalizing a previously reported conditioning circuit known as the Bennet's doubler. The proposed topology implements a conditioning scheme described by a rectangular charge-voltage cycle (QV-cycle) of tunable aspect ratio. These circuits show an exponential increase of the converted energy over operation time if studied in the sole electrical domain. The QV-cycle's aspect ratio can be set to values that were previously inaccessible with other exponential conditioning circuits. After a brief intuitive presentation of the new topology, its operation is rigorously analyzed and its dynamics are quantitatively derived in the electrical domain. In particular, the aspect ratio of the rectangular QV-cycle describing the biasing scheme of the transducer is expressed as a function of the circuit's parameters. Practical considerations about the use of the reported conditioning circuits in actual e-KEHs are also presented. These include a discussion on the applications of the proposed conditioning, a description of the effects of electrical nonidealities, and a proposition of an energy extracting interface.
Bibliografie:ObjectType-Article-1
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content type line 14
ISSN:1549-8328
1558-0806
DOI:10.1109/TCSI.2016.2603064