Assessment of quality indicators of the automatic control  system influence of accident interference

Parkhomey, Igor; Boiko, Juliy; Tsopa, Nataliia; Zeniv, Iryna; Eromenko, Oleksander

doi:10.12928/telkomnika.v18i4.15601

Cited by 12 publications

(11 citation statements)

References 16 publications

(22 reference statements)

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“…The rate of loss can be set not only as a whole, but also separately for each direction of transmission or for certain categories of subscribers. An increase the allowable loss rate leads results to an increase in capacity because of a deterioration of the communication quality [17][18][19].…”

Section: Methodsmentioning

confidence: 99%

Engineering Practices of Determining Transmission Capacity and Delay of Interconnecting Line Taking into Account its Configuration and Cost

Parkhomey

Boiko

Tsopa

et al. 2020

IJEEI

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This article contains information on engineering practice of determining transmission capacity of computer network line. The article presents a variant of engineering synthesis of computer network, which is a combined process of mathematical and heuristic methods combining. The engineering synthesis is offered as vector and global, because it must result in network development, optimal in terms of its practical use. All the significant network quality indicators, including economic and practical, are taken into consideration. In case of engineering synthesis, it is not possible that only one quality indicator is significant: there are always at least two significant indicatorsa cost and an indicator that characterizes the main effect that is achieved in case of network use (efficacy). If at least one of the quality indicators significant for practical use is not taken into account, such network cannot be considered optimal. Computer network synthesis usually consists of structure synthesis, parameters optimization and discrete network selection. If network topology is maintained unchanged, it is possible to formulate an optimization task for line transmission capacity. The solution of transmission capacity task, which is constantly changing, may be chosen as a starting point for the selection of discrete indicator of transmission capacity.

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Section: Methodsmentioning

confidence: 99%

Engineering Practices of Determining Transmission Capacity and Delay of Interconnecting Line Taking into Account its Configuration and Cost

Parkhomey

Boiko

Tsopa

et al. 2020

IJEEI

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“…Therefore, with Lagrange multiplier (8), the variational iteration method due to Geng, et al [29] is…”

Section: Problem Descriptionmentioning

confidence: 99%

“…Mathematical modelling and simulation have been applied extensively in the areas of telecommunication [1], [2], computing [3]- [5], electronics [6], [7] and control [8], [9]. One of important models in these areas is the Riccati differential equation.…”

Section: Introductionmentioning

confidence: 99%

A multistage successive approximation method for Riccati differential equations

Prabowo

Mungkasi

2021

Bulletin EEI

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Riccati differential equations have played important roles in the theory and practice of control systems engineering. Our goal in this paper is to propose a new multistage successive approximation method for solving Riccati differential equations. The multistage successive approximation method is derived from an existing piecewise variational iteration method for solving Riccati differential equations. The multistage successive approximation method is simpler in terms of computing implementation in comparison with the existing piecewise variational iteration method. Computational tests show that the order of accuracy of the multistage successive approximation method can be made higher by simply taking more number of successive iterations in the multistage evolution. Furthermore, taking small size of each subinterval and taking large number of iterations in the multistage evolution lead that our proposed method produces small error and becomes high order accurate.

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“…This will be reported to the control system by the photo sensor 10 signal. The operation of this sensor is the basis for supplying control [25] action from the controller 11 to raise the chopper 6 of the workpiece stream and pass the next mineral onto conveyor 4. At the same time, the distribution tray 9 with the mineral in it is 1358 rotated by a certain angle, which determines its orientation relative to a particular storage container 12.…”

Section: Mineral Sorting Machine Designmentioning

confidence: 99%

Intelligent machine for sorting semi-precious minerals

Polishchuk

Tkach

Parkhomey

et al. 2021

IJEECS

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This paper proposes is devoted to solving the problem of sorting workpieces from minerals and semi-precious stones that are used in jewelry production. Intensive development of production leads to a reduction of natural resources, including semi-precious minerals. Therefore, the task of saving the use of minerals is relevant. The solution is based on the idea a new method for sorting semi-precious minerals is proposed, as well as the design of an intelligent installation for implementing this method. An increase in the accuracy of sorting semiprecious minerals has been achieved through the use of charge-coupled device (CCD) matrices, which automatically determine the volume of each mineral in 3D space. From the simulation work, it was found in comparison with manual sorting, the proposed method has reduced the amount of waste in the manufacture of jewelry by 15% ... 20%. Experimental studies were carried out using the example of such a semiprecious mineral as amber. The cost of raw amber in the amount of one kilogram on the modern market is in the range of 1200…2200 US dollars. The result confirms that the method is superior to the alternative method, with the achieved average waste saving of 20%, the proposed sorting technology makes it possible to obtain a profit of 240...440 US dollars per kilogram of amber. Ultimately, these solutions can improve the efficiency of jewelry production.

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Assessment of quality indicators of the automatic control system influence of accident interference

Cited by 12 publications

References 16 publications

Engineering Practices of Determining Transmission Capacity and Delay of Interconnecting Line Taking into Account its Configuration and Cost

Engineering Practices of Determining Transmission Capacity and Delay of Interconnecting Line Taking into Account its Configuration and Cost

A multistage successive approximation method for Riccati differential equations

Intelligent machine for sorting semi-precious minerals

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