de Paor, Annraoi and Ringwood, John (2006) A Simple Soft Limiter Describing Function for Biomedical Applications. IEEE transactions on biomedical engineering, 53 (7). pp. 1233-1240. ISSN 0018-9294

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Abstract

This paper suggests an arctangent function as a suitable parameterisation for the soft-limiting gain characteristic frequently encountered in models of biomedical systems. This function is shown, as an example, to fit the neural arc component of the baroreflex with the main contribution of the paper being the development of a simple describing function (DF) characteristic for the arctangent. The simple form of the DF allows transparency of the physiological parameters in, for example, stability analysis. For illustration, the derived DF is used to examine low-frequency limit cycles in blood pressure, sometimes termed Mayer waves.

Item Type:	Article
Keywords:	Baroreflex; describing function; limit cycle;
Academic Unit:	Faculty of Science and Engineering > Electronic Engineering
Item ID:	6903
Identification Number:	https://doi.org/10.1109/TBME.2006.873681
Depositing User:	Professor John Ringwood
Date Deposited:	21 Jan 2016 10:36
Journal or Publication Title:	IEEE transactions on biomedical engineering
Publisher:	IEEE
Refereed:	Yes
URI:	Publisher

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