Abstract
This paper presents the ℋ ∞ static output feedback control of nonlinear fractional-order systems. Based on the extended bounded real lemma, the ℋ ∞ control is formulated and sufficient conditions are derived in terms of linear matrix inequalities (LMIs) formulation by using the fractional Lyapunov direct method where the fractional-order α belongs to 0 < α < 1. The control approach is finally applied to the regulation of the glucose level in diabetes type 1 treatment. Therefore, it is attempted to incorporate fractional-order into the mathematical minimal model of glucose-insulin system dynamics and it is still an interesting challenge to show, how the order of a fractional differential system affects the dynamics of the system in the presence of meal disturbance. Numerical simulations are carried out to illustrate our proposed results and show that the nonlinear fractional-order glucose-insulin systems are, at least, as stable as their integer-order counterpart in the presence of exogenous glucose infusion or meal disturbance.
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Recommended by Associate Editor Guang-Hong Yang under the direction of Editor PooGyeon Park.
This present work is supported by the National Research Fund, Luxembourg and the European Commission (FP7-COFUND).
Ibrahima N’Doye received his Ph.D. degree in Automatic Control from the University Henri Poincaré of Nancy at the Research Center of Automatic Control (CRAN-CNRS, University of Lorraine), France and the University Hassan II Ain Chock, Casablanca, Morocco, in 2011. From 2012 to 2014, he was a Postdoc at sthe Faculty of Science, Technology and Communication, Research Unit of Engineering Sciences. Since 2014, he is a Postdoc at the King Abdullah University of Science and Technology (KAUST) in the Computer, Electrical and Mathematical Sciences and Engineering Division (CEMSE). His research interests are in the area estimation and control of fractional-order systems and nonlinear dynamic systems with applications in energy systems and biomedicine.
Holger Voos studied Electrical Engineering at the Saarland University and received the Doctoral Degree in Automatic Control from the Technical University of Kaiserslautern, Germany, in 2002. From 2000 to 2004, he was with Bodenseewerk Gerätetechnik GmbH, Germany, where he worked as a Systems Engineer in aerospace and robotics. From 2004 to 2010, he was a Professor at the University of Applied Sciences Ravensburg-Weingarten, Germany, and the head of the Mobile Robotics Lab there. Since 2010, he is a Professor at the University of Luxembourg in the Faculty of Science, Technology and Communication, Research Unit of Engineering Sciences. He is the head of the Automatic Control Research Group and also the head of the Automation Lab in the Interdisciplinary Centre of Security, Reliability and Trust (SnT) at the University of Luxembourg. His research interests are in the area of distributed and networked control, model predictive control and safe and secure automation systems with applications in mobile robotics, energy systems and biomedicine.
Mohamed Darouach graduated from “Ecole Mohammadia d’Ingénieurs”, Rabat, Morocco, in 1978, and received the Docteur Ingénieur and Doctor of Sciences degrees from Nancy University, France, in 1983 and 1986, respectively. From 1978 to 1986 he was Associate Professor and Professor of automatic control at “Ecole Hassania des Travaux Publics”, Casablanca, Morocco. Since 1987 he has been a Professor at University of Lorraine. He has been a Vice Director of the Research Center in Automatic Control of Nancy (CRAN UMR 7039, Nancy-University, CNRS) from 2005 to 2013. He obtained a degree Honoris Causa from the Technical University of IASI and since 2010 he is a member of the Scientific council of Luxembourg University. He held invited positions at the University of Alberta, Edmonton. His research interests span theoretical control, observers design, and control of large-scale uncertain systems with applications.
Jochen G. Schneider graduated at the Robert-Schumann-Gymnasium Saarlouis in 1989. From 1990 to 1997, he studied Human Medicine at University Hospital of the Saarland, Medical Faculty at Homburg/Saar. He obtained a full licensed to practice medicine in 2000. He received the Doctoral Degree (Thesis defense) and the Habilitation in Clinical Biochemistry in 2002 and 2010, respectively. Since 2010, he is the head Translational Medicine Group, Luxembourg Centre for Systems Biomedicine & Honorary Consultant at Saarland University Medical Center Homburg/Saar. His research interests are in the area of medical translational and experimental.
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N’Doye, I., Voos, H., Darouach, M. et al. Static output feedback ℋ ∞ control for a fractional-order glucose-insulin system. Int. J. Control Autom. Syst. 13, 798–807 (2015). https://doi.org/10.1007/s12555-013-9192-y
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DOI: https://doi.org/10.1007/s12555-013-9192-y