LPV control of glucose for Diabetes type I

RICARDO S. SÁNCHEZ PEÑA; ALEJANDRO GHERSIN

Buenos Aires

Conferencia; 32nd Annual International Conference of the IEEE EMBS; 2010

Institute of Electrical & Electronics Engineers (IEEE)

This paper considers the problem of automaticallycontrolling the glucose level in a Diabetes type I patient.Three issues have been considered: model uncertainty, time-varying/nonlinear phenomena and controller implementation. To that end, the dynamical model of the insulin/glucose relation is framed as a Linear Parameter Varying system and a controller is designed based on it. In addition, this framework allows not only a better performance than other classical methods, but also provides stability and performance guarantees. Design computations are based on convex Linear Matrix Inequality (LMI) optimization. Implementation is based on a low order controller whose dynamics adapts according to the glucose levels measured in real-time.