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JOURNALS // Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences // Archive

Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 2024 Volume 28, Number 4, Pages 651–664 (Mi vsgtu2114)

This article is cited in 1 paper

Differential Equations and Mathematical Physics

Problem of optimal dynamic measurement with multiplicative effects in spaces of differentiable “noises”

M. A. Sagadeeva

South Ural State University, Chelyabinsk, 454080, Russian Federation

Abstract: The article deals with a model of optimal dynamic measurement with multiplicative influence, considered as an optimal control problem for a non-stationary Leontief-type system. The existence of a solution to this problem in a stochastic formulation is established. The main objective is to find a recoverable signal (control action) that brings the system state as close as possible to the observed indicators, given the presence of an additional input process modeling noise. Solutions to the system must be sought in spaces of random processes. To achieve this, the optimal control problem in spaces of differentiable “noises” is preliminarily analyzed. The linearity of the transducer model, described by a non-stationary Leontief-type system, allows the original system to be decomposed into deterministic and stochastic subsystems. Based on the results regarding the solvability of optimal control problems for each subsystem, a solution to the original problem is obtained.
The first part of the article presents the solvability conditions for a stochastic non-stationary Leontief-type system. The second part explores the optimal control problem in the stochastic case and derives estimates for the minimized functionals using results previously obtained for the deterministic counterpart. In conclusion, an algorithm for studying the problem of optimal dynamic measurement with multiplicative influence in spaces of “noises” is presented.

Keywords: optimal control problem, nonstationary Leontief-type system, relatively regular matrices, Showalter–Sidorov problem, Nelson–Gliklikh derivative

UDC: 517.977.1

MSC: 93C23

Received: September 6, 2024
Revised: November 17, 2024
Accepted: November 28, 2024
First online: December 27, 2024

DOI: 10.14498/vsgtu2114



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