Abstract
This paper investigates quadratic stabilization of switched systems which are composed of uncertain affine subsystems, where both subsystem matrices and affine vectors are switched, and no single subsystem is quadratically stable. We show that if a linear convex combination of subsystem linear parts satisfies a convex stabilizability and robust detectability condition, and another convex combination of affine vectors is zero, then we design an output-dependent switching law such that the entire uncertain switched affine system is quadratically stable. The discussion is extended to the case of designing output feedback and switching laws simultaneously.
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