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- research-articleSeptember 2024
Control Systems for the Granulation of Mineral Fertilizers in a Fluidized Bed
Cybernetics and Systems Analysis (KLU-CASA), Volume 60, Issue 5Pages 726–735https://doi.org/10.1007/s10559-024-00710-6AbstractFour control systems are generated using Matlab software based on different regulators for the granulation process in a fluidized bed: PID controller and optimal LQR for linear systems and MPC and those based on fuzzy logic for nonlinear systems. ...
- research-articleJuly 2024
Sufficient Convergence Conditions for Conflict Controlled Objects with Different Inertia
Cybernetics and Systems Analysis (KLU-CASA), Volume 60, Issue 4Pages 579–599https://doi.org/10.1007/s10559-024-00698-zAbstractThe problem of approach of controlled objects with different inertia in dynamic game problems is considered. For such controlled objects, it is characteristic that the Pontryagin condition is not satisfied on a time interval. To solve the problem, ...
- research-articleFebruary 2024
Features of Creating Artificial Intelligence Using Informatics and Cybernetics
Cybernetics and Systems Analysis (KLU-CASA), Volume 60, Issue 1Pages 13–23https://doi.org/10.1007/s10559-024-00642-1AbstractThe article determines peculiarities and specifies application areas of the scientific methods of informatics and cybernetics based on V. M. Glushkov’s definition of information. The concept of artificial intelligence is noted to belong to these ...
- research-articleJanuary 2023
Technology of Autonomous Take-Off and Landing for the Modern Flight and Navigation Complex of an Unmanned Aerial Vehicle
Cybernetics and Systems Analysis (KLU-CASA), Volume 58, Issue 6Pages 882–888https://doi.org/10.1007/s10559-023-00521-1AbstractThe technology for autonomous take-off and landing of unmanned aerial vehicles has been developed. The study aims to increase the efficiency of unmanned aerial vehicle missions. It is shown that the technology proposed significantly improves the ...
- research-articleMarch 2022
An Algorithm for Decomposition Control and Prediction of Trajectories of Nonlinear Stochastic Systems Under Different-Speed Processes in Their Dynamics
Cybernetics and Systems Analysis (KLU-CASA), Volume 58, Issue 2Pages 220–224https://doi.org/10.1007/s10559-022-00453-2AbstractThe author proposes a decomposition algorithm for predicting the trajectories of nonlinear stochastic systems whose dynamics contain subprocesses significantly different in speed. The algorithm is focused on reducing the time to obtain predictive ...
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- research-articleJuly 2021
Solving Environmental Problems According to the Concept of Sustainable Development of the Earth
Cybernetics and Systems Analysis (KLU-CASA), Volume 57, Issue 4Pages 638–646https://doi.org/10.1007/s10559-021-00389-zAbstractThe scientific foundation for the development and implementation of automated control systems (ACS) in the USSR are discussed and the results obtained at the V. M. Glushkov Institute of Cybernetics of the National Academy of Sciences of Ukraine in ...
- research-articleNovember 2020
Decomposition of Descriptor Control Systems
Cybernetics and Systems Analysis (KLU-CASA), Volume 56, Issue 6Pages 924–933https://doi.org/10.1007/s10559-020-00312-yAbstractWe establish the conditions to decompose a complex descriptor control system into simpler subsystems. The system state and input are described by equations not solved with respect to the derivative of the state. We consider two types of ...
- research-articleMarch 2020
Stochastic Optimal Control of a Descriptor System
Cybernetics and Systems Analysis (KLU-CASA), Volume 56, Issue 2Pages 204–212https://doi.org/10.1007/s10559-020-00236-7AbstractWe study the optimal control problem for a descriptor system whose evolution is described by Ito’s differential-algebraic equation. The quadratic cost functional is considered. The main constraint is that the characteristic matrix pencil ...
- research-articleMarch 2020
Algorithms for Solution Inference Based on Unified Logical Control Models
Cybernetics and Systems Analysis (KLU-CASA), Volume 56, Issue 2Pages 187–194https://doi.org/10.1007/s10559-020-00234-9AbstractUnified forms of knowledge representation models in expert control systems are proposed. It is proved that at quantitative measurement of the characteristics of the state of the controlled object, the problem of deriving a managerial solution is ...
- articleJanuary 2016
Optimal Strategies for the Multi-Task Inventory Control Model
Cybernetics and Systems Analysis (KLU-CASA), Volume 52, Issue 1Pages 107–112https://doi.org/10.1007/s10559-016-9805-6We consider the control problem for Markov processes with discrete time. The multi-task model of inventory control for decreasing functions of general costs is analyzed and the existence conditions for the optimal strategy are found. The existence of ...
- articleNovember 2013
Singular Controls in the Classical Sense for the Optimal Control Problem with Nonlocal Boundary Conditions
Cybernetics and Systems Analysis (KLU-CASA), Volume 49, Issue 6Pages 898–906https://doi.org/10.1007/s10559-013-9580-6We consider an optimal control problem in which the states of the system are determined by the control systems of ordinary differential equations with two-point boundary conditions. Admissible controls are selected from the class of bounded measurable ...
- articleMarch 2012
Developing B. N. Pshenichnyi's scientific ideas in optimization and mathematical control theory
Cybernetics and Systems Analysis (KLU-CASA), Volume 48, Issue 2Pages 157–179https://doi.org/10.1007/s10559-012-9395-xThe paper overviews the studies initiated by fundamental works of B. N. Pshenichnyi in the field of necessary extremum conditions, numerical optimization methods, optimal control theory, and differential games. Among them are new scientific fields such ...
- articleJanuary 2009
Individually-optimal equilibria of noncooperative games in preference relations
Cybernetics and Systems Analysis (KLU-CASA), Volume 45, Issue 1Pages 153–159https://doi.org/10.1007/s10559-009-9086-4For a game specified on a set of situations by preference relations of players, the individual optimum principle is considered that is a generalization of Nash, Berge, and Pareto optimum principles. On this basis, different types of equilibria and ...
- articleJanuary 2009
Realization of a bounded feedback in a nonlinear control problem
Cybernetics and Systems Analysis (KLU-CASA), Volume 45, Issue 1Pages 96–104https://doi.org/10.1007/s10559-009-9075-7We substantiate a method for design of a limited feedback to control a system whose mathematical model includes a nonlinear state function. Designing such a feedback is based on a positional solution of auxiliary optimal control problems which provides ...
- articleJanuary 2009
Decomposition and composition of the properties of alternatives in multicriteria decision-making problems
Cybernetics and Systems Analysis (KLU-CASA), Volume 45, Issue 1Pages 105–110https://doi.org/10.1007/s10559-009-9072-xIt is shown that under the vector approach, the problem of making decisions by decomposing the properties of alternatives can be represented by a hierarchical system of criteria. At the lower hierarchy level, an alternative is evaluated for separate ...
- articleJanuary 2009
Game approach problems for dynamic processes with impulse controls
Cybernetics and Systems Analysis (KLU-CASA), Volume 45, Issue 1Pages 123–140https://doi.org/10.1007/s10559-009-9071-yThis paper deals with game problems with impulse and geometric constraints on the players' controls. To analyze conflict-controlled processes with discontinuous trajectories, the method of resolving functions is used. This makes it possible to derive ...
- articleNovember 2008
The concept of and search for the fair distribution in cooperative games
Cybernetics and Systems Analysis (KLU-CASA), Volume 44, Issue 6Pages 906–914https://doi.org/10.1007/s10559-008-9063-3Well-known conflict equilibria are used to formulate the concept of fair distribution, and a technique is proposed to find it in an arbitrary cooperative game. Any cooperative game is shown to have only one fair distribution, which can always be found ...
- articleNovember 2008
Using the fuzzy-ellipsoid method for robust estimation of the state of a grid system node
Cybernetics and Systems Analysis (KLU-CASA), Volume 44, Issue 6Pages 847–854https://doi.org/10.1007/s10559-008-9057-1Constructing a workload model for a node of a Grid system is considered in terms of control theory. A node is represented as a linear dynamic object acted upon by perturbations with unknown statistical properties. Fuzzy set estimates are used to ...
- articleSeptember 2008
On the problem of guidance of an autonomous conflict-controlled system onto a cylinder set
Cybernetics and Systems Analysis (KLU-CASA), Volume 44, Issue 5Pages 729–737https://doi.org/10.1007/s10559-008-9044-6The problem of guidance of a conflict-controlled system onto a cylinder set is considered. This problem is compared with the problem of guidance of a transformed system onto the base of the cylinder at the last moment. It is shown that the problems ...