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Interval Observers for Time-Varying Discrete-Time Systems

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4 Author(s)
Efimov, D. ; INRIA-LNE, Villeneuve d'Ascq, France ; Perruquetti, W. ; Raissi, T. ; Zolghadri, A.

This techical note deals with interval state observer design for time-varying discrete-time systems. The problem of a similarity transformation computation which connects a (time-varying) matrix and its nonnegative representation is studied. Three solutions are proposed: for a generic time-varying system, a system with positive state, and for a particular class of periodical systems. Numerical simulations are provided to demonstrate advantages of the developed techniques.

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Automatic Control, IEEE Transactions on  (Volume:58 ,  Issue: 12 )