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Smith Predictor Sliding Mode Closed-loop Glucose Controller in Type 1 Diabetes
Universidad de Gerona.
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik. (Automatic Control Laboratory)
2011 (engelsk)Inngår i: Proceedings of the 18th IFAC World Congress, 2011, 2011Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Type 1 diabetic patients depend on external insulin delivery to keep their blood glucose within near-normal ranges. In this work, two robust closed-loop controllers for blood glucose control are developed to prevent the life-threatening hypoglycemia, as well as to avoid extended hyperglycemia. The proposed controllers are designed by using the sliding mode control technique in a Smith predictor structure. To improve meal disturbance rejection, a simple feedforward controller is added to inject meal-time insulin bolus. Simulation studies were used to test the controllers, and shown the controllers ability to regulate the blood glucose within the safe limits in the presence of errors in measurements, modeling, and meal estimation.

sted, utgiver, år, opplag, sider
2011.
Emneord [en]
Type 1 diabetes Mellitus, glucose closed-loop control, Smith predictor
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-46981DOI: 10.3182/20110828-6-IT-1002.01213Scopus ID: 2-s2.0-84866749007OAI: oai:DiVA.org:kth-46981DiVA, id: diva2:454396
Konferanse
18th IFAC World Congress. Milano, Italy.
Merknad
QC 20111108Tilgjengelig fra: 2011-11-07 Laget: 2011-11-07 Sist oppdatert: 2011-11-08bibliografisk kontrollert

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