A simple necessary and sufficient LMI condition for the strong delay-independent stability of LTI systems with single delay
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Universidade Federal de Minas Gerais
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This paper is concerned with strong delay-independent stability of linear time-invariant (LTI) systems with a single time-delay. Stability analysis of linear delay-systems is complicated by the need to locate the roots of a transcendental characteristic equation. In this paper we propose a convex necessary and sufficient condition for strong delay-independent stability. This result mainly follows from the Kronecker sum properties and the Kalman–Yakubovich–Popov lemma, which allows us to present the main result in terms of a single linear matrix inequality (LMI) feasibility test. The result is illustrated by simple numerical examples.
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Controladores PID, Controle robusto
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Time-delay, Delay-independent stability, Kronecker sum properties, Kalman–Yakubovich–Popov lemma, LMI
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https://www.sciencedirect.com/science/article/pii/S0005109817305472