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Two sampled-data design procedures ensuring stabilization of passive systems are described in the general framework of passivity-based control (PBC) strategies. The first one makes reference to some modified output with respect to which passivity under sampling can be preserved. The second one can be interpreted as the sampled-data equivalent to the… (More)
The concept of ”average passivity” is introduced making use of the Differential Difference Representation (DDR) of nonlinear discrete-time dynamics. It gives a first insight towards the introduction of a passivity notion which is equivalento to the continuous-time criterium when applied under sampling.
Average passivity concepts are proposed for linear time-invariant discrete-time as well as sampled-data dynamics to remove the direct input-output link obstacle. Necessary and sufficient conditions for average passivity are given in terms of LMI’s. Direct discrete-time stabilizing and damping control strategies are proposed for average passive systems or… (More)