NDLI: Design of an inductively coupled wireless power system for moving receivers

Content Provider	IEEE Xplore Digital Library
Author	Thoen, B. Wielandt, S. De Baere, J. Goemaere, J.-P. De Strycker, L. Stevens, N.
Copyright Year	2014
Description	Author affiliation: Fac. of Eng. Technol., DraMCo, Ghent, Belgium (Thoen, B.; Wielandt, S.; De Baere, J.; Goemaere, J.-P.; De Strycker, L.; Stevens, N.)
Abstract	Present-day commercial wireless inductive power transfer systems rely on a low frequency alternating magnetic field, generated by a transmitter coil and picked up by a receiver coil. In general, these inductively coupled coils are perfectly aligned, in order to obtain a constant high coupling factor. In some cases though, the receiver can move on a regular basis above the transmitter. This paper discusses a method to wirelessly power a device moving on a surface. The transmitter consists of a single coil that is significantly smaller than the operation radius of the moving receiver. Therefore, the receiver is not always in the range of the transmitter and the power transfer occurs intermittent. In order to provide the receiver with a constant energy supply, a supercapacitor buffer is implemented. When the receiver approaches the transmitter, the buffer is charged in a short period of time. Furthermore, a communication channel is set up from the power receiver to the power transmitter, enabling receiver identification and power management.
Sponsorship	IEEE Microwv. Theory Tech. Soc.
Starting Page	48
Ending Page	51
File Size	649977
Page Count	4
File Format	PDF
ISBN	9781479929238
DOI	10.1109/WPT.2014.6839625
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-08
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coils Couplings Wireless communication Ferrites Inductive link Transmitters Microcontrollers Receivers Inductive coupling Coil design
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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