Paul Worgan Paul.Worgan@uwe.ac.uk
Lecturer in Mechotronics
Inductive power transfer for on-body sensors. Defining a design space for safe, wirelessly powered on-body health sensors
Worgan, Paul; Clare, Lindsay; Proynov, Plamen; Stark, Bernard; Coyle, David
Authors
Lindsay Clare
Plamen Proynov
Bernard Stark
David Coyle
Abstract
Designers of on-body health sensing devices face a difficult choice. They must either minimise the power consumption of devices, which in reality means reducing the sensing capabilities, or build devices that require regular battery changes or recharging. Both options limit the effectiveness of devices. Here we investigate an alternative. This paper presents a method of designing safe, wireless, inductive power transfer into on-body sensor products. This approach can produce sensing devices that can be worn for longer durations without the need for human intervention, whilst also having greater sensing and data capture capabilities. The paper addresses significant challenges in achieving this aim, in particular: device safety, sufficient power transfer, and human factors regarding device geometry. We show how to develop a device that meets stringent international safety guidelines for electromagnetic energy on the body and describe a design space that allows designers to make trade-offs that balance power transfer with other constraints, e.g. size and bulk, that affect the wearability of devices. Finally we describe a rapid experimental method to investigate the optimal placement of on-body devices and the actual versus theoretical power transfer for on-body, inductively powered devices.
Citation
Worgan, P., Clare, L., Proynov, P., Stark, B., & Coyle, D. (2015). Inductive power transfer for on-body sensors. Defining a design space for safe, wirelessly powered on-body health sensors. In 2015 9th International Conference on Pervasive Computing Technologies for Healthcare (PervasiveHealth) (177-184). https://doi.org/10.4108/icst.pervasivehealth.2015.259139
Conference Name | 9th International Conference on Pervasive Computing Technologies for Healthcare |
---|---|
Conference Location | Istanbul, Turkey |
Start Date | May 20, 2015 |
End Date | May 23, 2015 |
Acceptance Date | Jan 1, 2015 |
Online Publication Date | Aug 3, 2015 |
Publication Date | Aug 3, 2015 |
Deposit Date | Dec 3, 2021 |
Publicly Available Date | Dec 3, 2021 |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
Pages | 177-184 |
Book Title | 2015 9th International Conference on Pervasive Computing Technologies for Healthcare (PervasiveHealth) |
ISBN | 9781631900457 |
DOI | https://doi.org/10.4108/icst.pervasivehealth.2015.259139 |
Public URL | https://uwe-repository.worktribe.com/output/8206237 |
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© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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