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On the Problem of Controlling a Nonlinear System by a Discrete Control under Disturbance

  • CONTROL THEORY
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Abstract

We consider the problem of stabilization to zero under disturbance in terms of a differential pursuit game. The dynamics is described by a nonlinear autonomous system of differential equations. The set of control values of the pursuer is finite, and that of the evader (disturbance) is a compact set. The control objective, i.e., the pursuer’s goal, is to bring the trajectory to any predetermined neighborhood of zero in finite time regardless of the disturbance. To construct the control, the pursuer knows only the state coordinates at some discrete times, and the choice of the disturbance’s control is unknown. In the paper, we obtain conditions for the existence of a neighborhood of zero from each point of which a capture occurs in the indicated sense. A winning control is constructed constructively and has an additional property specified in a theorem. In addition, an estimate of the capture time sharp in some sense is produced.

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Funding

This work was financially supported by the Russian Science Foundation, project no. 23-71-01032.

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Authors and Affiliations

  1. Udmurt State University, Izhevsk, 426034, Russia

    K. A. Shchelchkov

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  1. K. A. Shchelchkov
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Correspondence to K. A. Shchelchkov.

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Translated by V. Potapchouck

CONFLICT OF INTEREST. The author of this work declares that he has no conflicts of interest.

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Shchelchkov, K.A. On the Problem of Controlling a Nonlinear System by a Discrete Control under Disturbance. Diff Equat 60, 127–135 (2024). https://doi.org/10.1134/S0012266124010105

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  • DOI: https://doi.org/10.1134/S0012266124010105

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