Influence of exposure guidelines on the design of on-body inductive power transfer

Lindsay Clare, Paul Worgan, Bernard Stark, David Coyle, Salah-Eddine Adami

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

3 Citations (Scopus)
240 Downloads (Pure)


Designers of on-body health sensing devices with inductive power transfer (IPT) face a number of trade-offs. Safe exposure limits should be maintained, and protective housing and padding are generally needed; however, these impose
compromises on the power-transfer-system design. This paper analyses these trade-offs and proposes a design route to achieving high power transfer in the presence of field restrictions and separations for padding or housing materials. An IPT system using a Class D coil-driver and switched-mode power-conditioning is
designed to provide regulated d.c. and energy storage. Compliance with ICNIRP 1998 guidelines is demonstrated, at a power level that is sufficient to power typical on-body medical sensing devices.
Original languageEnglish
Title of host publication2015 IEEE Wireless Power Transfer Conference (WPTC)
Subtitle of host publicationProceedings of a meeting held 13-15 May 2015, Boulder, Colorado, USA
Place of PublicationColorado, USA
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages4
ISBN (Electronic)9781467374477
ISBN (Print)9781467374484
Publication statusPublished - Aug 2015
Event2015 IEEE Wireless Power Transfer Conference, WPTC 2015 - Boulder, United States
Duration: 13 May 201515 May 2015


Conference2015 IEEE Wireless Power Transfer Conference, WPTC 2015
CountryUnited States

Structured keywords

  • Digital Health


  • on-body sensing
  • inductive power
  • wireless power transfer
  • healthcare

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