Abstract
This paper addresses two strategies for stabilization of discrete time linear switched systems. The first one, is of open loop nature and is based on the determination of an upper bound of the minimum dwell time by means of a family of quadratic Lyapunov functions. The relevant point on dwell time calculation is that the proposed stability condition does not require the Lyapunov function be uniformly decreasing at every switching time. The second one, is of closed loop nature and is designed from the solution of what we call Lyapunov-Metzler inequalities from which the stability condition is expressed.
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