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Journal Articles Multidimensional Systems and Signal Processing Year : 2019

Certified Non-conservative Tests for the Structural Stability of Discrete Multidimensional Systems

Abstract

In this paper, we present new computer algebra based methods for testing the structural stability of n-D discrete linear systems (with n ≥ 2). More precisely, we show that the standard characterization of the structural stability of a multivariate rational transfer function (namely, the denominator of the transfer function does not have solutions in the unit polydisc of C n) is equivalent to the fact that a certain system of polynomials does not have real solutions. We then use state-of-the-art computer algebra algorithms to check this last condition, and thus the structural stability of multidimensional systems.
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Dates and versions

hal-01951765 , version 1 (11-12-2018)

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Yacine Mohamed Bouzidi, Alban Quadrat, Fabrice Rouillier. Certified Non-conservative Tests for the Structural Stability of Discrete Multidimensional Systems. Multidimensional Systems and Signal Processing, 2019, 30 (3), pp.31. ⟨10.1007/s11045-018-0596-y⟩. ⟨hal-01951765⟩
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