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Comments on “Stability analysis of uncertain sampled-data systems with incremental delay using looped-functionals [Automatica 55 (2015) 274-278]”. (English) Zbl 1351.93112
Summary: In a recent paper A. Seuret, C. Briat [”Stability analysis of uncertain sampled-data systems with incremental delay using looped-functionals”, Automatica, 55, 274-278 (2015)] a looped-functional along with Wirtinger’s inequality has been introduced to derive robust stability conditions for asynchronous and polytopic uncertain sampled-data systems. We point out that there may exist typos and errors in the looped-functional, the main results (Theorem 3.1 and 3.3) and Example 2.
MSC:
93D09 Robust stability
93C57 Sampled-data control/observation systems
93C41 Control/observation systems with incomplete information
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[1] Seuret, A.; Briat, C., Stability analysis of uncertain sampled-data systems with incremental delay using looped-functionals, Automatica, 55, 274-278, (2015) · Zbl 1377.93126
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