Uniform optimization of controlled systems with distributed parameters

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Abstract

A constructive method is proposed for solving a spatiotemporal control problem in systems with distributed parabolic parameters under the conditions of the given accuracy of uniform approximation of the final state of a plant to the required spatial distribution of the controlled variable. The developed approach is based on the previously designed alternance method for constructing the parameterizable programmed control algorithms, which extended the results of the theory of nonlinear Chebyshev approximations to a wide range of optimization problems and uses the fundamental laws of the subject area. It is shown that in linear quadratic problem optimization the equations of optimal controllers with autonomous modal controls in the open domain of their definition and taking into account restrictions on the nature of the spatial distribution of the control actions specified by the conditions of technical implementation are reduced to linear feedback algorithms for the measured state of the plant with nonstationary transmission coefficients and the given dependence on the spatial arguments of the controlled value. The results obtained are extended to the problem of searching for time-invariant spatially distributed controls, considered as the desired design solutions for a plant.

About the authors

Edgar Ya. Rapoport

Samara State Technical University

Author for correspondence.
Email: edgar.rapoport@mail.ru
ORCID iD: 0000-0002-0604-8801
SPIN-code: 3642-2773
Scopus Author ID: 7007145205
ResearcherId: D-6111-2014
http://www.mathnet.ru/person38448

Dr. Techn. Sci., Professor; Dept. of Automation and Control in Technical Systems

244, Molodogvardeyskaya st., Samara, 443100, Russian Federation

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