Closed-Loop Blood Glucose Control for Type I Diabetes Patients Using PID Controller

In this paper, we have designed a closed-loop controller for continuous infusion for diabetic therapy, while the typical way of insulin infusion is discrete manner, based upon long-term interval measurement. We proposed an optimal PID (proportional integral derivative). An automated system integrated with biosensor used for measuring blood glucose concentration and infusion pump mimics the action of natural insulin secretion of a healthy person. Using controllers, we maintained blood glucose concentration in a certain range. The overall control strategy based upon feedback to overcome glucose variations patient body. The result of this PID control strategy reveals that controller can maintain blood glucose concentration under certain range. The results of Proportional Integral Derivative shows us stable response with presence uncertainty of parameters that can vary from patient to patient.