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Infinite dimensional systems’ sliding motions. (English) Zbl 1293.93161

Summary: We show how, using differential inclusions and viability theory it is possible to define sliding modes for (feedback) controlled semilinear differential equations in Banach spaces. In order to compare this definition with the equivalent control method proposed by V. Utkin and Yu. Orlov for infinite dimensional systems, we introduce the notion of extended equivalent control. This allows the interpretation of the sliding motion by a classical semigroup approach. Then we are able to prove that, if the sliding manifold satisfies suitable regularity hypotheses, the projected evolution found by means of the extended equivalent control and our sliding mode do coincide. We then apply these results to the problem of stabilization of a heat equation and of a delay differential equation.

MSC:

93B12 Variable structure systems
93C25 Control/observation systems in abstract spaces
Full Text: DOI

References:

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