Journal of Computer and Systems Sciences International

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On the Existence, Uniqueness, and Stability of Periodic Modes of Motion of a Locomotion System with a Mobile Internal Mass
Journal of Computer and Systems Sciences International - Tập 59 - Trang 129-137 - 2020
D. Yu. Knyaz’kov, T. Yu. Figurina
In this paper, we consider the rectilinear motion of a locomotion system consisting of a hull and an internal mass in a resisting medium during periodic movement of the internal mass relative to the hull. The periodic modes of the system’s movement, in which the hull’s speed is also a time periodic function, are studied. The questions of the existence and uniqueness of periodic modes of system mot...... hiện toàn bộ
On supervisory control of mobile platform on four swivel wheels
Journal of Computer and Systems Sciences International - Tập 50 - Trang 325-335 - 2011
Yu. G. Martynenko, I. E. Mitrofanov, E. V. Pis’mennaya, A. M. Formal’skii
A mobile robotic platform with four driving swivel wheels, whose centers are situated at the vertices of a rectangle, is considered. Each of the wheels can rotate about its horizontal axis in a common way, and the plane of the wheel situated in a fork can turn with respect to the platform about the perpendicular axis. These turns and rotations of four wheels are performed using eight drives. The p...... hiện toàn bộ
Consolidation of Individual Rankings by the Method of Branches And Bounds
Journal of Computer and Systems Sciences International - Tập 61 - Trang 981-989 - 2022
V. N. Nefedov, V. A. Osipova
In the problem of collective choice, an algorithm is proposed for constructing an optimal aggregate ranking that is closest to all individual strict rankings in the sense of the Kemeny median. The application of the branch-and-bound method allows problems of large dimensions to be solved and can also be used in the case when individual preferences are arbitrary binary relations.
Implementation of the temporal reasoning mechanism in modern intelligent systems
Journal of Computer and Systems Sciences International - Tập 46 - Trang 279-294 - 2007
A. P. Ereemev, I. E. Kurilenko
A modern approach to temporal reasoning modeling in intelligent systems designed for dynamic subject domains is considered. Purposes, problems, and principles of construction of temporal reasoning systems are defined.
Controlling a Satellite using Single-Gimbal Control Moment Gyroscope During Their Spinning and Braking
Journal of Computer and Systems Sciences International - Tập 59 - Trang 289-300 - 2020
V. N. Platonov, A. V. Sumarokov
The capabilities of using single-gimbal control moment gyroscopes (CMGs) for the attitude control of Earth remote sensing (ERS) satellites are studied. The situation of the incomplete spinning of CMGs used for controlling the angular motion of the satellite when these gyros have a different angular momentum is considered. Control algorithms that can be applied in this situation are proposed, and i...... hiện toàn bộ
Optimal Recurrent Nonlinear Filter of a Large Order for Jump Diffusion Markov Signals
Journal of Computer and Systems Sciences International - - 2020
E. A. Rudenko
In this paper, we consider the problem of the root-mean-square optimal estimation of the current state of a continuous stochastic object of observation exposed to continuous and pulsed random impacts based on the results of discrete measurements of its output at certain clock time points. To obtain real-time estimates using a low-performance computer, a new discrete finite-dimensional filter that ...... hiện toàn bộ
Synthesis of Fast Finite State Machines on Programmable Logic Integrated Circuits by Splitting Internal States
Journal of Computer and Systems Sciences International - Tập 61 - Trang 360-371 - 2022
V. V. Solov’ev
A method for the synthesis of fast finite state machines on programmable logic integrated circuits such as field-programmable gate arrays is presented. The method is based on the operation of splitting internal states, which makes it possible to reduce the ranks of transition functions and reduce the number of levels of functional generators when implementing transition functions. Estimates are gi...... hiện toàn bộ
On the design of control systems that are robust in terms of performance index
Journal of Computer and Systems Sciences International - Tập 51 - Trang 477-487 - 2012
M. G. Zotov
A plant can typically operate in normal and emergency modes. A method of correcting the controller that is optimal in normal mode so as to make it operate satisfactorily in the emergency mode is described. The available approaches to the solution of this class of problems (see [1–4]) are elabo-rated. In distinction from the solution of one such problem in [4], the requirement that the numbers of r...... hiện toàn bộ
Fuzzy multicriteria choice among alternatives: Worst-case approach
Journal of Computer and Systems Sciences International - Tập 48 Số 3 - Trang 379-383 - 2009
А. П. Ротштейн
Mathematical simulation of the controlled motion of the five-link wheeled jumping robot
Journal of Computer and Systems Sciences International - - 2015
L. Yu. Vorochaeva, S. F. Yatsun
Tổng số: 1,014   
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