Fuzzy high-order sliding-mode control of blood glucose concentration

This paper represents a fuzzy high-order sliding-mode (F-HOSM) controller in order to regulate blood glucose concentration in type 1 diabetics. This method uses merits of both fuzzy concept and high-order sliding-mode control so that not only the blood glucose level can be efficiently controlled, but also the amount of chattering in control effort will be significantly alleviated. Moreover the amount of control effort will decrease to its half in comparison to that in HOSM controller leading to a less risk of hypoglycemia, which is the most dangerous phenomenon in controlling the blood glucose level of diabetics. The efficiency of the proposed controller is validated by computer simulation. This controller is used to regulate the blood glucose level in a well-known diabetic model called minimal model.

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IEEE