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Trudy Inst. Mat. i Mekh. UrO RAN, 2017, Volume 23, Number 2, Pages 151–166 (Mi timm1418)  

On the polyhedral method of solving problems of control strategy synthesis in discrete-time systems with uncertainties and state constraints

E. K. Kostousova

Institute of Mathematics and Mechanics, Ural Branch of the Russian Academy of Sciences, Ekaterinburg

Abstract: We consider control synthesis problems for linear and bilinear discrete-time systems under uncertainties and state constraints. Two types of problems are studied: when controls are additive and when they appear in the system matrix. For both problems we consider cases without uncertainty and cases with uncertainty, including additive parallelotope-bounded uncertainties and interval uncertainties in the matrix of the system. We continue to develop the methods of “polyhedral” control synthesis with the use of polyhedral (parallelotope-valued) solvability tubes. Namely, the technique proposed by the author earlier for solving the first problem is expanded for the case of matrix uncertainties. Further, for both problems, a uniform solution scheme is developed, which makes it possible to construct control strategies by explicit formulas. Descriptions of the polyhedral solvability tubes in the form of systems of nonlinear recurrence relations are given. Control strategies, which can be constructed using these polyhedral solvability tubes, are described. For the first problem, both techniques produce the same polyhedral solvability tubes, but the control strategies turn out to be different; an interrelation between the controls of both types is indicated. Results of computer simulations are presented.

Keywords: control synthesis, uncertainties, state constraints, solvability tubes, parallelotopes.

Funding Agency Grant Number
Russian Foundation for Basic Research 15-01-02368a


DOI: https://doi.org/10.21538/0134-4889-2017-23-2-151-166

Full text: PDF file (390 kB)
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Bibliographic databases:

Document Type: Article
UDC: 517.977
MSC: 93C41, 93C55, 93B52, 93B40, 52B12
Received: 03.04.2017

Citation: E. K. Kostousova, “On the polyhedral method of solving problems of control strategy synthesis in discrete-time systems with uncertainties and state constraints”, Trudy Inst. Mat. i Mekh. UrO RAN, 23, no. 2, 2017, 151–166

Citation in format AMSBIB
\Bibitem{Kos17}
\by E.~K.~Kostousova
\paper On the polyhedral method of solving problems of control strategy synthesis in discrete-time systems with uncertainties and state constraints
\serial Trudy Inst. Mat. i Mekh. UrO RAN
\yr 2017
\vol 23
\issue 2
\pages 151--166
\mathnet{http://mi.mathnet.ru/timm1418}
\crossref{https://doi.org/10.21538/0134-4889-2017-23-2-151-166}
\elib{http://elibrary.ru/item.asp?id=29295258}


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