An Antiwindup Approach to Power Controller Switching in an Ambient Healthcare Network

Authors:
Michael J. Walsh;John Barton;Brendan O'Flynn;Martin J. Hayes;Cian O'Mathuna;Seyed Mohammad Mahdi Alavi
Affiliations:
University College Cork, Ireland;University College Cork, Ireland;University College Cork, Ireland;University of Limerick, Ireland;University College Cork, Ireland;Simon Fraser University, Canada
Venue:
International Journal of Ambient Computing and Intelligence
Year:
2011

Citing 6
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Abstract

This paper proposes a methodology for improved power controller switching in mobile Body Area Networks operating within the ambient healthcare environment. The work extends Anti-windup and Bumpless transfer results to provide a solution to the ambulatory networking problem that ensures sufficient biometric data can always be regenerated at the base station. The solution thereby guarantees satisfactory quality of service for healthcare providers. Compensation is provided for the nonlinear hardware constraints that are a typical feature of the type of network under consideration and graceful performance degradation in the face of hardware output power saturation is demonstrated, thus conserving network energy in an optimal fashion.