Control of blood glucose induced by meals for type-1 diabetics using an adaptive backstepping algorithm

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Abstract

In this study, an adaptive backstepping method is proposed to regulate the blood glucose induced by meals for type-1 diabetic patients. The backstepping controller is used to control the blood glucose level and an adaptive algorithm is utilized to compensate for the blood glucose induced by meals. Moreover, the effectiveness of the proposed method is evaluated by comparing results in two different case studies: in the presence of actuator faults and the loss of control input for a short while during treatment. Effects of unannounced meals three times a day are investigated for a nominal patient in every case. It is argued that adaptive backstepping is the preferred control method in either case. The Lyapunov theory is used to prove the stability of the proposed method. Obtained results, indicated that the adaptive backstepping controller is stable, and the desired level of glucose concentration is being tracked efficiently.

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Zahedifar, R., & Keymasi Khalaji, A. (2022). Control of blood glucose induced by meals for type-1 diabetics using an adaptive backstepping algorithm. Scientific Reports, 12(1). https://doi.org/10.1038/s41598-022-16535-2

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