International Journal of applied mathematics and computer science

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Paper details

Number 1 - June 1992
Volume 2 - 1992

Order optimal real-time observers for completely observable control systems

Arkadii Kryazhimskii

Abstract
For a complety observable control system governed by a nonlinear ordinary differential equation, we consider dynamical (real-time) observation operators stable with respect to small input perturbations. We treat them as regularizing operators on an appropriate set of well-posedness. Two solutions order optimal with respect to the perturbation accuracy are described. The tool is based on the idea of guided models from the theory of closed-loop differential games, and the lower bounds for the unimprovable observation accuracy.

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