The Simplest Nonconvex Control Problem. The Maximum Principle and Sufficient Optimality Conditions

The optimal control problem with linear phase system and linear-quadratic functional is considered. The transition from the maximum principle to sufficient optimality conditions is fulfilled with the help of the notion of strongly extremal control. It means that in the problem of maximization of Pon...

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Main Author: V.A. Srochko
Format: Article
Language:English
Published: Irkutsk State University 2017-03-01
Series:Известия Иркутского государственного университета: Серия "Математика"
Subjects:
Online Access:http://isu.ru/journal/downloadArticle?article=_f34b9ce88d584544a230ab8a85c0fd06&lang=rus
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author V.A. Srochko
author_facet V.A. Srochko
author_sort V.A. Srochko
collection DOAJ
description The optimal control problem with linear phase system and linear-quadratic functional is considered. The transition from the maximum principle to sufficient optimality conditions is fulfilled with the help of the notion of strongly extremal control. It means that in the problem of maximization of Pontryagin’s function phase or conjugate trajectory should be replaced with any admissible trajectory. Sufficient conditions give opportunity to obtain explicit expressions for extremal values of auxiliary problems contained in these conditions. Results are presented in the form of inequalities and equalities for a function with one variable with respect to time segment. A special situation is implemented in the analysis of the combined control with interior and boundary segments with respect to the constraint. At the point of connection of these segments there is a non-standard condition of maximum type. A positive factor is dual nature of obtained results: it is a pair of symmetrical relations, which operate independently. Their origin is connected with two types of strongly extremal controls with respect to phase or conjugate variables.
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spelling doaj.art-c8e58bb6d0a3466496143028efcd1c2d2022-12-21T19:12:06ZengIrkutsk State UniversityИзвестия Иркутского государственного университета: Серия "Математика"1997-76702541-87852017-03-01191184194https://doi.org/10.26516/1997-7670.2017.19.184The Simplest Nonconvex Control Problem. The Maximum Principle and Sufficient Optimality ConditionsV.A. SrochkoThe optimal control problem with linear phase system and linear-quadratic functional is considered. The transition from the maximum principle to sufficient optimality conditions is fulfilled with the help of the notion of strongly extremal control. It means that in the problem of maximization of Pontryagin’s function phase or conjugate trajectory should be replaced with any admissible trajectory. Sufficient conditions give opportunity to obtain explicit expressions for extremal values of auxiliary problems contained in these conditions. Results are presented in the form of inequalities and equalities for a function with one variable with respect to time segment. A special situation is implemented in the analysis of the combined control with interior and boundary segments with respect to the constraint. At the point of connection of these segments there is a non-standard condition of maximum type. A positive factor is dual nature of obtained results: it is a pair of symmetrical relations, which operate independently. Their origin is connected with two types of strongly extremal controls with respect to phase or conjugate variables.http://isu.ru/journal/downloadArticle?article=_f34b9ce88d584544a230ab8a85c0fd06&lang=rusoptimal control problemthe maximum principlesufficient optimality conditions
spellingShingle V.A. Srochko
The Simplest Nonconvex Control Problem. The Maximum Principle and Sufficient Optimality Conditions
Известия Иркутского государственного университета: Серия "Математика"
optimal control problem
the maximum principle
sufficient optimality conditions
title The Simplest Nonconvex Control Problem. The Maximum Principle and Sufficient Optimality Conditions
title_full The Simplest Nonconvex Control Problem. The Maximum Principle and Sufficient Optimality Conditions
title_fullStr The Simplest Nonconvex Control Problem. The Maximum Principle and Sufficient Optimality Conditions
title_full_unstemmed The Simplest Nonconvex Control Problem. The Maximum Principle and Sufficient Optimality Conditions
title_short The Simplest Nonconvex Control Problem. The Maximum Principle and Sufficient Optimality Conditions
title_sort simplest nonconvex control problem the maximum principle and sufficient optimality conditions
topic optimal control problem
the maximum principle
sufficient optimality conditions
url http://isu.ru/journal/downloadArticle?article=_f34b9ce88d584544a230ab8a85c0fd06&lang=rus
work_keys_str_mv AT vasrochko thesimplestnonconvexcontrolproblemthemaximumprincipleandsufficientoptimalityconditions
AT vasrochko simplestnonconvexcontrolproblemthemaximumprincipleandsufficientoptimalityconditions