Title

Feedback exact null controllability for unbounded control problems in Hilbert space

Abstract

Terminal constraint optimal control problems with unbounded control operators are considered. It is shown that the optimal solutions can be represented in a feedback form via a solution of an appropriate Riccati equation. In particular, it is proved that, for systems described by partial differential equations with infinite speed of propagation, boundary exact null controllability can be realized in feedback form. © 1992 Plenum Publishing Corporation.

Publication Title

Journal of Optimization Theory and Applications

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