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

Michael J. Walsh (University College Cork, Ireland), John Barton (University College Cork, Ireland), Brendan O’Flynn (University College Cork, Ireland), Martin J. Hayes (University of Limerick, Ireland), Cian O’Mathuna (University College Cork, Ireland) and Seyed Mohammad Mahdi Alavi (Simon Fraser University, Canada)

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DOI: 10.4018/jaci.2011040103

Source title: International Journal of Ambient Computing and Intelligence (IJACI)

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MLA

Walsh, Michael J., John Barton, Brendan O’Flynn, Martin J. Hayes, Cian O’Mathuna and Seyed Mohammad Mahdi Alavi. "An Antiwindup Approach to Power Controller Switching in an Ambient Healthcare Network." IJACI 3.2 (2011): 35-55. Web. 21 May. 2013. doi:10.4018/jaci.2011040103

APA

Walsh, M. J., Barton, J., O’Flynn, B., Hayes, M. J., O’Mathuna, C., & Alavi, S. M. (2011). An Antiwindup Approach to Power Controller Switching in an Ambient Healthcare Network. International Journal of Ambient Computing and Intelligence (IJACI), 3(2), 35-55. doi:10.4018/jaci.2011040103

Chicago

Walsh, Michael J., John Barton, Brendan O’Flynn, Martin J. Hayes, Cian O’Mathuna and Seyed Mohammad Mahdi Alavi. "An Antiwindup Approach to Power Controller Switching in an Ambient Healthcare Network," International Journal of Ambient Computing and Intelligence (IJACI) 3 (2011): 2, accessed (May 21, 2013), doi:10.4018/jaci.2011040103

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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.

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