Issue 4 (206), article 5


Cybernetics and Computer Engineering, 2021, 4(206)

VOVK М.І., PhD (Biology), Senior Researcher,
Head of Bioelectrical Control & Medical Cybernetics Department
ORCID: 0000-0003-4584-9553, e-mail:;

KUTSIAK О.А., PhD (Engineering),
Senior Researcher of the Bioelectrical Control & Medical Cybernetics Department
ORCID: 0000-0003-2277-7411, e-mail:

International Research and Training Center for Information Technologies
and Systems of the NAS of Ukraine and of MES of Ukraine,
40, Acad. Hlushkov av. Kyiv, 03187, Ukraine


Introduction. The consequences of stroke change seriously the quality of life. Especially motor activity suffers. Speech disorders occupy a significant place. The synthesis of effective technologies for restoration of limb movements, fine motor hand, that plays significant role in restoring the speech motor skills, is the urgent scientific and applied task.

Recently, the use of artificial intelligence in medicine has attracted attention. At the same time, mobile technologies are developing. It is considered that artificial intelligence in a smartphone will make the medicine of the future accessible for everybody.

The purpose of the paper is to develop the technology for movement restoration after a stroke that uses the artificial intelligence tool for increasing the effectiveness of rehabilitation process – specialized software module for mobile platforms to assist the user (physician) in the formation of personalized plans at different rehabilitation stages.

Results. The AI-technology for forming the personalized movement training plan to patient after a stroke is developed. This technology uses artificial intelligence tool – the software module for information assistance in forming the plan  “MovementRehabStroke 1.0 (MD)” that installed in  mobile platforms. This module provides the user with recommended movement training plan based on results of quantitative assessment of movements deficit is determined by software module “MovementTestStroke 1.1 (MD)” and patient general state. This plan may be corrected. The structural and functional model of user (physician) and software module “MovementRehabStroke 1.0 (MD)” interaction, and algorithm for forming the personalized movements rehabilitation plan – recommended and finally user-formed are given.

Conclusions. The usage of artificial intelligence tools reduces the physician error in diagnostic and treatment decisions, prevents complications, reduces the disability risks, improves the quality and widespread usage of medical and rehabilitation services for patients after stroke.

Keywords: stroke, AI-technology, personalized plan, movement training, rehabilitation, diagnostics, software module, structural and functional model, algorithm.

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Received 15.09.2021

Issue 4 (206), article 4


Cybernetics and Computer Engineering, 2021, 4(206)

Researcher, Medical Information Systems Department
ORCID: 0000-0002-4407-5990, e-mail:

KOZAK L.M., DSc (Biology), Senior Researcher,
Leading Researcher, Medical Information Systems Department
ORCID: 0000-0002-7412-3041, e-mail:

KOVALENKO O.S., DSc (Medicine), Professor,
Head of Medical Information Systems Department
ORCID: 0000-0001-6635-0124, e-mail:

Junior Researcher, Medical Information Systems Department
ORCID: 0000-0003-1760-2801, e-mail:

International Research and Training Center for Information Technologies
and Systems of the National Academy of Sciences of Ukraine
and Ministry of Education and Science of Ukraine,
40, Acad. Glushkov av., Kyiv, 03187, Ukraine


Introduction. In the Big Data era, decision tree methods, machine learning, and neural networks, along with other Data Mining methods became an alternative to classical statistical methods as a more useful tool for analyzing large and inhomogeneous data. Neural Networks methods have emerged as a more accurate and effective technology in a wide range of medical problems such as diagnosis, prediction, treatment. 

The purpose of the paper is to identify the control parameters of the surgical intervention to optimize the EF ejection fraction after the surgery using a Data Mining method (neural network) models.

Results. The analysis of changes in hemodynamic parameters of children with severe heart defects due to surgery — implantation of conduit. Changes in these parameters after surgery were analyzed using analysis of variance for repeated measurements (RepANOVA). It was determined that after the surgery there was a significant, statistically significant decrease in 3 hemodynamic parameters (end diastolic index, aortic pressure gradient, and augmentation index). According to the cluster analysis, three groups of patients were identified, which were differed in all hemodynamic parameters and in the peculiarities of changes in the studied parameters after surgery. A model based on a neural network of the RBF type (with radial-based activation functions) was built using the Data Mining Automated Neural Networksmodule of the STATISTICA package. According to the developed models, the dependence of the emission fraction after the surgery on the control parameters — dopamine dose and conduit diameter was determined.

Conclusions. The use of predictive models of neural networks developed by the type of RBF network with radially symmetric functions in single-layer networks, allowed to analyze the effectiveness of surgical interventions in the case of congenital heart disease in infants and children. Taking into account the results of the developed predictive model of the dependence of the cardiac output fraction on the parameters of surgery (dose, conduit diameter) and factors such as age, weight, hemodynamic status, gives the surgeon essential information to achieve good results of a surgery.

Keywords: Data Mining classification models, predictive models, neural networks, surgical efficiency

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Received 01.09.2021

Issue 4 (206), article 3


Cybernetics and Computer Engineering, 2021, 4(206)

VOLKOV O. Ye., PhD (Engineering),
Head of Intellectual Control Department
ORCID: 0000-0002-5418-6723, e-mail:

TARANUKHA V. Yu., PhD (Phys.-Math.),
Senior Researcher of Intellectual Control Department
ORCID: 0000-0002-9888-4144, e-mail:

LINDER Ya. M., PhD (Phys.-Math.),
Senior Researcher of Intellectual Control Department
ORCID: 0000-0003-1076-9211, e-mail:

KOMAR M.M., PhD (Engineering),
Senior Research of Intellectual Control Department
ORCID: 0000-0001-9194-2850, e-mail:

Researcher of Intellectual Control Department
ORCID: 0000-0003-3793-7801, e-mail:

International Research and Training Center for Information Technologies
and Systems of the National Academy of Sciences of Ukraine
and Ministry of Education and Science of Ukraine,
40, Acad. Glushkova av., Kyiv, 03187, Ukraine


Introduction. The general principles of the technique of synthesis of reflective characteristics of complex surfaces for small wavelengths are considered in the article. The problem is set in the conditions of using sound waves and sonar. The calculated scattering characteristics are obtained using a facet model.

Purpose. The purpose of the research is to create a method of acoustic research and determination of spatial characteristics of objects of complex shape, which contains the developed facet model of the object and the model of the reflected signal. This method consists artificial models of objects and models of the reflected signal, with the further purpose of research and determination of spatial characteristics of objects, recognition of objects, etc. It is expected that based on the simulation of signals reflected from these models, it will be possible to classify objects. An important difference from most studies is a number of assumptions about what to do with the model and how to calculate the result, because, as a rule, the main element of such studies is the reflection surface only.

Results. For the purpose of this research simplified model of signal reflection from a surface area in space is considered. We established a correspondence between wave propagation in the space and change of the value of the function representing reflecting wave. At any given moment of time the total reflected signal is the sum of all reflected signals from all surfaces. The integral form was proposed for this purpose. The analytical formula intended for the integral was designed for one of the specific cases of reflection. There were numerical experiments performed to test such formula with regard of facet model of the ship. Resulting waveform looks in accordance to expectations.

Conclusion. In accordance with the task the paper demonstrates the method of constructing a model of objects and sound signals reflected from them, paper also considers the general principles of the method of synthesis of reflective characteristics of complex surfaces for small wavelengths. It is shown why and how exactly such a model is built and the presence of a significant difference in the signal characteristics for different angles is clearly demonstrated. The main advantage of this model is the ability to conduct experiments exclusively in digital form, without the need for expensive field experiments. Further research should continue in the direction of selecting or creating an optimal recognition system based on neural networks.

Keywords: facet model, remote sensing, underlying surface, sonar image.

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Received 02.09.2021

Issue 4 (206), article 2


Cybernetics and Computer Engineering, 2021, 4(206)

SUROVTSEV I.V.1, DSc (Engineering), Senior Researcher,
Head of the Ecological Digital Systems Department
ORCID: 0000-0003-1133-6207, e-mail:,

VELYKYI P.Y.1, PhD Student,
of the Ecological Digital Systems Department

Joint Research Unit 7504,

GALIMOVA V.M.3, PhD (Chemistry), Associate Professor,
Department of Analytical and Inorganic
Chemistry and Water Quality
ORCID: 0000-0001-9602-1006, e-mail:

1International Research and Training Center for
Information Technologies and Systems of the 
National Academy of Sciences of Ukraine 
and Ministry of Education and Science of Ukraine, 
40, Acad. Glushkov av., Kyiv, 03187, Ukraine

2Strasbourg Institute of Material Physics and Chemistry,
Joint Research Unit 7504, 
National Center for Scientific Research – 
University of Strasbourg,
4 Rue Blaise Pascal, 67081 Strasbourg, France

3National University of Life
and Environmental Sciences of Ukraine,
17, bldg. № 2, Heroes of Defense str., Kyiv, 03041, Ukraine


Introduction. The use of the electrochemical analytical system “IHP Analyzer” allows the environmental monitoring the conditions of drinking water and water objects, assessing and predicting the risks of toxicants on human health and the environment.

The purpose of the paper is to propose information technology for rapid determining chemical elements concentrations and for assessing the risk of their impact on the biosphere.

Methods. Pulse methods of chronopotentiometry, chronoionometric method of direct potentiometry and methods of assessment of ecological risk of influence of chemicals on environment are used for measurement of concentrations.

Methods. Pulse chronopotentiometry methods, direct chronoionometric potentiometry methods and methods for assessing the risk of human health deterioration in the case of consumption of drinking water of different quality are used.

Results. Developed information technology that uses machine learning techniques, cloud technologies and intelligent models to study the mass of chemical elements additives. The application of IT allows the results of one measurement to quickly determine the elements concentrations  in the water objects by comparing signals and assess the impact risks of chemicals to human health when consuming contaminated drinking water.

Results. Developed information technology with machine learning, cloud technologies and the use of intelligent models of the mass of chemical element additives, that allows the results of one measurement to quickly determine the elements concentrations in the water objects by comparing signals and assess the impact risks of chemicals to human health when consuming contaminated drinking water.

Conclusions. Advanced analytical system “Analyzer SCP” allows you to quickly measure the concentration of 12 chemicals (Pb, Cd, Cu, Zn, Se, I, K, Na, Ca, F, NO3, NH4) in water bodies on site and eight more toxic elements (Hg, As, Sn, Ni, Co, Mn, Cr, Fe) in the laboratory, which allowed to quickly and fully determine the environmental quality of drinking water and the environment. The use of ion-selective and measuring electrodes based on precious metals increases the environmental friendliness and speed of research. The application of risk assessment methodology for the chemical elements impact on humans and the environment allows to predict the consequences and occurrence of diseases with long-term consumption of contaminated drinking water or the possibility of using water bodies for irrigation and fish farming.

Keywords: concentration, ecological risk, ion-selective electrode, inversion chronopotentiometry, drinking water.

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1 Surovtsev I.V., Velykyi P.Y., Galimova V.M., Sarkisova M.V. Ionometric method for determination of concentrations of microelements in research of digital medicine. Cyb. and comp. eng., 2020. No. 4 (220), 25-43.

2 Surovtsev I.V., Galimov S.K., Galimova V.M., Sarkisova M.V. Method of chronoionometric determination of concentrations of fluorine, nitrate, ammonium in drinking water. Cyb. and comp. eng., 2021. No. 1 (203), 5-25.

3 Kopilevich V.A., Maksin V.I., Galimova V.M., Surovtsev I.V., Lavrik R.V. Electrochemical Control of Microconcentrations of Cadmium in Aquatic Environments // Journal of water chemistry and technology, 2021, Vol. 43, P. 336-341.

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5 Huang, Y.; Wang, T.; Xu, Z.; Hughes, E.; Qian, F.; Lee, M.; Fan, Y.; Lei, Y.; Bruckner, C.; Li, B. Real-time in situ monitoring of nitrogen dynamics in wastewater treatment processes using wireless, solid-state, and ion-selective membrane sensors. Environ. Sci. Technol. 2019, 53, 3140-3148.

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9 Guidance on harmonised methodologies for human health, animal health and ecological risk assessment of combined exposure to multiple chemicals // EFSA Journal 2019;17(3):5634.

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14 Meek ME, Boobis AR, Crofton KM, Heinemeyer G, Van Raaij M and Vickers C, 2011. Risk assessment of combined exposure to multiple chemicals: A WHO/IPCS framework. Regulatory Toxicology and Pharmacology, 60, S1-S14

15 Solomon KR, Wilks MF, Bachman A, Boobis A, Moretto A, Pastoor TP, Phillips R and Embry MR, 2016. Problem formulation for risk assessment of combined exposures to chemicals and other stressors in humans. Critical Reviews in Toxicology, 46, 835-844

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17 Van Gestel CAM, Jonker MJ, Kammenga JE, Laskowski R and Svendsen C, 2011. Mixture Toxicity. Linking Approaches from Ecological and Human Toxicology. SETAC Press, Pensacola, USA, 320 pp. ISBN 9781439830086

Received 26.09.2021

Issue 4 (206), article 1


Cybernetics and Computer Engineering, 2021, 4(206)

MOROZ O.H., PhD (Engineering),
Senior Researcher of Dept. for Information Technologies of Inductive Modeling
ORCID: 0000-0002-0356-8780, e-mail: о

STEPASHKO V.S., DSc (Engineering), Professor,
Head of Dept. for Information Technologies of Inductive Modeling
ORCID: 0000-0001-7882-3208, e-mail:

International Research and Training Centre for Information Technologies
and Systems of the National Academy of Sciences of Ukraine and Ministry
of Education and Science of Ukraine,
40, Acad. Glushkov av., Kyiv, 03187, Ukraine


Introduction. Deep neural networks are effective tools for solving actual tasks such as data mining, modeling, forecasting, pattern recognition, clustering, classification etc. They differ with respect to the architecture design, learning methods and so on. Most simple and widely used are deep feed-forward supervised NNs.

The purpose of the paper is to compare briefly main features of the deep feed-forward deterministic supervised networks with the Multilayered Iterative Algorithm of GMDH (MIA GMDH) and to formulate main ideas of constructing a new class of hybrid deep networks based on the MIA neural network.

Methods. Most usable deep feed-forward supervised neural networks have been studied: multilayered perceptron, convolutional NN and some its modifications, polynomial neural networks, genetic polynomial neural network etc.

Results. There was carried out a comparative analysis of main features of the MIA GMDH neural network with the characteristics of other deep deterministic supervised neural networks. The most promising approaches are identified to improve the performance of this network, particularly by hybridization with methods of computational intelligence. The main idea of building a new class of hybrid deep networks based on MIA GMDH is formulated.

Conclusions. MIA GMDH and its modifications are original representatives of the self-organizing networks potentially giving best results, especially for big data case. Hybridization of GMDH-based NNs with stochastic methods of computational intelligence is suggested to achieve a synergetic effect.

Keywords: multilayered iterative algorithm of GMDH (MIA GMDH), self-organizing neural network, neural network architecture, deep neural networks, feed-forward neural networks, supervised neural networks, deep learning.

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Received 03.08.2021