Abstract
We consider the problem of multivariable anti-windup bumpless transfer (AWBT) controller synthesis based on the general AWBT framework presented by Kothare et al. (1994). Specifically, we propose a method for synthesizing AWBT compensators which stabilize linear time-invariant systems subject to saturating actuators. Our synthesis approach takes advantage of the fact that the AWBT system is a piecewise affine system and thus, we can utilize piecewise quadratic Lyapunov function theory to determine a stabilizing control law. The synthesis problem is solved via iteration between a set of linear matrix inequalities. The utility of the approach is demonstrated on a simple example where our method is shown to be less conservative.
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