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Robust LFT-based technique for stability analysis of periodic solutions

Dimitri Peaucelle, Christophe Farges, Denis Arzelier
Linear matrix inequality based techniques, most often used for robust analysis of linear systems, are applied to the stability analysis of periodic equilibrium trajectories of nonlinear systems. Results are derived by linear-fractional representation of the nonlinearities and taking into account parametric uncertainties in the same time. Numerically exploitable formulas are obtained by discretization. An academic example illustrates the entire methodology.
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