Robust PI stabilization of a class of chemical reactors

Abstract

The aim of this letter is to study the stabilization of a class of continuous-stirred tank reactors in the face of control input saturations and uncertain chemical kinetics. A first-order compensator with modeling error compensation is designed, and its ability to stabilize the reactor temperature at an arbitrary setpoint is proven. It is shown that the resulting controller is equivalent to a standard PI compensator with antireset windup scheme.