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Features of motion of dynamic systems with disturbances in the neighborhood of manifolds of switchings

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Abstract

The method of computation of control in real time of a linear system with disturbance is suggested. The system of linear algebraic equations is obtained, which links the deviations of phase coordinates to the deviations of initial conditions of the normalized conjugate system and to the deviation of the finite moment. The calculations reduce to the sequence of the solutions of systems of linear algebraic equations and the integration of a matrix differential equation over transfer intervals of the control switching moments and the finite moment of time. The correction of switching moments and the finite moment of control in the accompaniment of the phase trajectory of motion of a controllable object is considered. Simple constructive conditions of the origin of the sliding mode, motions of the representative point over manifolds of switchings, and changes of the control structure in accompanying the phase trajectory of the system motion are obtained. The convergence of the computational method is proved.

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Authors and Affiliations

  1. Sobolev Institute of Mathematics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    V. M. Aleksandrov

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  1. V. M. Aleksandrov
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Original Russian Text © V.M. Aleksandrov, 2009, published in Avtomatika i Telemekhanika, 2009, No. 4, pp. 58–77.

This work was supported by the Russian Foundation for Basic Research, project no. 09-01-00155 and Ural Branch, Russian Academy of Sciences, project no. 85.

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Aleksandrov, V.M. Features of motion of dynamic systems with disturbances in the neighborhood of manifolds of switchings. Autom Remote Control 70, 615–632 (2009). https://doi.org/10.1134/S0005117909040080

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  • DOI: https://doi.org/10.1134/S0005117909040080

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