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Feedforwarding under sampling

Abstract : The paper deals with stabilization of feedforwardmultiple cascade dynamics under sampling. It is shown that u-average passivity concepts and Lyapunov methods can be profitably exploited to provide a systematic sampled-data design procedure. The proposed methodology recalls the continuous-time feedforwarding steps and can be applied under the same assumptions as those set over the continuous-time cascade dynamics. The final sampled feedback is carried out through a three steps procedure that involves iterative passivation and stabilization in the u-average sense. Constructive aspects are developed to compute approximate solutions which are indeed implemented in practice. An example is worked out with comparative simulations with respect to usual sampled-and-hold implementations.
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Contributor : Mattia Mattioni <>
Submitted on : Thursday, November 15, 2018 - 2:10:05 PM
Last modification on : Wednesday, April 8, 2020 - 3:58:39 PM


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Mattia Mattioni, Salvatore Monaco, Dorothée Normand-Cyrot. Feedforwarding under sampling. IEEE Transactions on Automatic Control, Institute of Electrical and Electronics Engineers, In press, 64 (11), ⟨10.1109/TAC.2019.2902666⟩. ⟨hal-01923758⟩



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