Migration of imaginary roots of multiplicity three and four under small deviation of two delays in time-delay systems

Abstract

This paper studies the migration pattern of characteristic imaginary roots of multiplicity three and four in time-delay systems with two delays when the delay parameters undergo small deviations. Stability analysis for such problems is often based on Puiseux series, as multiple roots are not differentiable with respect to delay parameters. However, in this… (More)
DOI: 10.1109/ECC.2016.7810535

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