Vira Viktorivna Shendryk

• PhD
• Head of Information Technology Department at Sumy State University

This study addresses the urgent need for advanced digitalization tools in air pollution detection, particularly within resource-constrained municipal settings like those in Ukraine, aligning with directives such as the AAQD. The forecasting information system for integrating data processing, analysis, and visualization to improve environmental moni...

The problem of forecasting electricity generation is key to enabling decision-making support at the level of individual prosumers in the power grid and efficient prosumer integration into the grid. This study investigates the application of machine learning (ML) approaches to photovoltaic generation forecasting, aiming to provide general practical...

In response to the increasing demand for efficient and automated production processes, Digital Twins have emerged as a vital tool for optimising industrial operations and preemptively identifying equipment issues. An important component of the Digital Twin is the storage of historical data on equipment operation. This research focuses on developing...

This paper delves into the challenges encountered in decision-making processes within Hybrid Energy Systems (HES), placing a particular emphasis on the critical aspect of data integration. Decision-making processes in HES are inherently complex due to the diverse range of tasks involved in their management. We argue that to overcome these challenge...

The object of this study is the process of providing informational support to stakeholders of the life cycle of energy to ensure strategic management of energy systems with renewable energy sources. The task to improve and develop information technologies applied to the management of complex energy systems and the issue of their socialization and p...

Nowadays, information technology plays a significant role in increasing the efficiency of any company by focusing its attention on market trends, reducing and increasing competition for maximum profit. Based on the results of the analysis of scientific works, the author concluded that the existing information technologies in project risk management...

This article deals with the problem of technological production preparation, as the task of choosing the optimal machining method on machine tools with numerical control. The task of finding the optimal solution is considered in the context of Industry 4.0 and 5.0 paradigms. The analysis of the possibilities for increasing the technological readine...

In today's conditions, the introduction of the latest information technologies becomes a guarantee of a comfortable human existence in society. One of the main results of their use is the increase and improvement of the quality of services that can be provided via the Internet. Which, in turn, leads to the need for rapid transformation and provisio...

Technological developments and methodologies for manufacturing processes have changed the understanding and use of technology and the paradigm of human-machine interaction. Industry 4.0 has exacerbated the problems of human-machine interaction, especially in terms of interaction between humans and robots. The concept of Industry 5.0 overcomes the c...

A probabilistic-statistical mathematical model of the technological process of flotation has been developed, which belongs to the class of mass diffusion processes with drift. The use of Markov chains in compiling the apparatus model made it possible to make maximum use of a priori information about the physics of the process and ensure in dynamics...

To optimize the heating control system in a smart home, it is necessary to have a tool that allows you to determine the optimal air heating time. This study is dedicated to the synthesis of the model of the regression dependence of air heating time on the parameters of the heating system and the internal and external parameters of the room. The res...

A promising approach to improve sustainability within the energy sector is to incorporate renewable energy sources into existing energy systems. However, such hybrid energy systems have several characteristics that make developing and coordinating the challenging, e.g. due to the need to manage large amounts of heterogeneous data in a distributed a...

Digital Twins (DT) are used in various industries. In particular, when working with robotic systems, the data from Digital Twins allows you to identify problems in the product and modernize it. In addition, Digital Twins technology can be used to train operators to prevent dangerous incidents.Specially developed software or artificial intelligence...

Context. The current stage of development of the electric power industry is characterized by an intensive process of microgrid development and management. The feasibility of using a microgrid is determined by the fact that it has a number of advantages compared to classical methods of energy generation, transmission, and distribution. It is much ea...

The Internet of Things (IoT) is one of the most disruptive technologies, enabling ubiquitous and pervasive computing scenarios. IoT is based on intelligent self-configuring nodes (also known as things) interconnected in a dynamic and global collaborative network infrastructure. In contrast, Cloud computing has virtually unlimited capabilities in te...

The study is devoted to the formation of an intelligent model for choosing and applying the optimal strategy for managing risk events, both threats and opportunities, of modern small IT projects with limited resources and implicit or uncertain influencing factors. The proposed model is built taking into account the decomposition of the process into...

Nowadays the problem of the efficient use of available energy resources is urgent. It causes the development of energy-saving technologies, including using renewable energy sources and their implementation in existing energy systems. Decentralized electricity generation becomes more expanded. Smart Grids are designed to provide real-time data manag...

The object of research is the process of processing and storing data when making decisions on managing the life cycle of electricity generation and consumption in microgrids with renewable energy sources. The prospects of the study are due to the fact that in order to provide a full-fledged decision support process in the management of microgrids w...

An overwhelming number of defects occur for production reasons due to technology deficiencies. The thermal-impulse method allows you to flexibly automate the cleaning operations from technological contaminants in particles, burrs and quickly wearing out part of the microrelief when obtaining a close to the absolute degree of cleaning surfaces and e...

The chapter discusses the problem of energy management in Smart MicroGrid. The strategies of Smart MicroGrid energy management and objectives of Smart MicroGrid operation have been analyzed. The chapter emphasizes the potential of information technologies implementation to achieve energy management goals and provide a description of energy manageme...

The paper describes the problems and contradictions description in the formation of the organizational structure of energy management systems. This work covers the Ukrainian regulatory acts and international standards that are providing methodologies of implementation and evaluation of effective energy management systems. Problems of implementation...

The proposed study overcomes the problem of heterogeneity and inconsistency of information, the complexity of providing information support for energy management processes of geographically distributed objects. It is proposed to reduce this problem to solve the problems of structural and parametric synthesis of distributed energy management systems...

The paper is devoted to the analysis of algorithms for finding optimal solutions for nonlinear functions with several variables. Often microprocessors in process automation systems monitor and perform calculations to find the extremum of such functions in order to generate a control signal that will be transmitted to the executive. The algorithm of...

In recent years, the mathematical apparatus for studying the energy modes of electrical circuits, analyzing the processes of energy conversion in nonlinearities, identifying the parameters of electrical equipment using the theory of instantaneous power, which is based on methods for converting signals represented in the form of approximation depend...

The object of research is the process of choosing a method for predicting continuous numerical features on big datasets. The importance of the study is due to the fact that today in various subject areas it is necessary to solve the problem of predicting performance indicators based on data collected from different sources and presented in differen...

This paper is devoted to the development of information technology for decision making support when controlling the parameters of the hybrid power grid (HPG), considering the meteorological forecast and changes in the required level electricity generation and consumption in the HPG. The problem of decision making in the HPG management is formed und...

The simulation of the self-excitation process of an autonomous asynchronous generator when changing the parameters of the excitation circuit is presented in the paper. The carried out theoretical studies of the capacitive self-excitation of AC machines have created a good basis for solving issues related to the practical use of autonomous sources b...

The harmonic analysis technique of non-stationary signals containing inter and subharmonics in power quality control systems has been improved. The discrete windowed Fourier transform and Kotelnikov’s sampling theorem are used. Computer simulation of signal analysis was carried out according to the proposed technique based on the application of two...

The object of research is the process of expert evaluation in planning the energy supply of buildings using renewable energy sources. The conducted research is based on the application of system analysis methods to formalize the process of expert evaluation in the planning of an energy system with renewable energy sources. Here were used methods of...

The chapter focuses on implementation of Industry 4.0 in energy management of a district heating system. The present objectives for implementation of digital technologies in district heating are analyzed. The barriers for sustainable and flexible district heating systems and challenges to overcome them are discussed. The objectives of energy manage...

pdf-форматі. Актуальність даної роботи зумовлена відсутністю універсальної структури подання медичних протоколів та методів їх обробки. У ході роботи вирішено задачу первинної обробки даних клінічних протоколів на прикладі уніфікованого клінічного протоколу первинної, вторинної (спеціалізованої) та третинної (високоспеціалізованої) медичної допомог...

The article deals with the approach to the primary processing of poorly structured medical protocol textual data stored and disseminated as pdf files. The relevance of this work is due to the lack of a universal structure for the presentation of medical protocols and methods of their processing. In the course of the work, the problem of primary pro...

This paper is devoted to developing a model of decision-making regarding the optimal control of the Hybrid Grid mode parameters, considering the forecast of changes in the parameters of generation and electricity consumption in the Microgrid. The decision-making problem at the management of Hybrid Power Grids is formed in the conditions of uncertai...

Збільшення фінансових прибутків і мінімізація будь-яких витрат є актуальним питанням для сучасного бізнесу, яке можливо вирішити завдяки проактивному та стратегічно-зваженому й стандартизованому управлінню. Управління загрозами, або ризик-менеджмент, є однією зі складових та провідних сфер управління проєктами, програмами і портфоліо. Саме ризики п...

The Industry 4.0 concept involves the use of intelligent technology to improve the production processes, such as using centralized management at the system level, which leads to faster and more flexible energy management. Thus, large and small industrial and utility companies need to create a system for predicting electricity consumption. This pape...

Some technology introduction problems of Smart Grid in the electric networks of Ukraine are considered in the article. It is offered to apply the automats of parallel action in control system by a power supply. It is offered to make alteration in the structure of parallel action classical automat for the decision of problem vagueness detains. The g...

The technique for the sampling interval of time series determining of parameter measurements for automation systems are improved. Mathematical apparatus of Discrete Fourier Transform is used to describe the frequency characteristics of signals in measuring channels of automation systems and Kotelnikov theorem. It is performed computer simulation of...

The paper is dedicated to the description of problems that occur during the functional modeling of different information systems at large enterprises. The effectiveness of enterprise management is being provided by common use of information systems, which can only increase through flexible data management. Modern trends in manufacturing demand inte...

Some technology introduction problems of Smart Grid in the electric networks of Ukraine are considered in the article. It is offered to apply the automats of parallel action in control system by a power supply. It is offered to make alteration in the structure of parallel action classical automat for the decision of problem vagueness detains. The g...

This paper describes the features of decision-making process about working modes of hybrid energy grid and indicates tasks, which has to solve the appropriate information system. In order to managing the hybrid electricity grid, it is necessary to have current data and forecast indicators of the functioning of its constituent elements. The fuzzy pr...

Research results on the development of an information support system for data integration from integrated production systems are presented. The way of information systems integration is offered. The corresponding method is based on data integration of information systems both for production purposes and for generating a subsystem of implementing th...

The chapter discusses the problem of energy management in Smart MicroGrid. The strategies of Smart MicroGrid energy management and objectives of Smart MicroGrid operation have been analyzed. The chapter emphasizes the potential of information technologies implementation to achieve energy management goals and provide a description of energy manageme...

This research aims to investigate the current status and future direction of the use of information systems for supply chain management for companies with multicomponent production. Paper presents a qualitative research method for analyzing a supply chain processes and for identifying ways of its information support. Based on data collected from di...

Today there is a wide variety of similar products in the market that are usually offered by several suppliers. This leads to the need to analyze the market and to solve the problem of finding the best goods supplier that would satisfy all necessary consumer requirements. The study is devoted to the web-based information system development for selec...

This paper is devoted to the development of scientific and methodological foundations of improvement the information support of decision at management of power network with distributed generation. It is proposed to consider the power quality index as the main criterion of management. Using the theory of fuzzy sets, the assessment of the conformity...

The frequency of unauthorized actions to information systems (IS) in the process of their integration is steadily increasing, which inevitably leads to huge financial and material losses. According to statistics, internal users of IS, commit more than half of all violations. All of this forms “a dangerous group of risk”. Existing approaches for IS...

This paper is devoted to the development of scientific and methodological foundations of improvement the information support of decision during planning stage of creation hybrid energy system with renewable energy sources. Here are proposed models of multiple-criteria decision-making for choosing the optimal structure of the grid within three inter...

The tools for energy management of district heating on the consumer side are proposed in this article. The information system of making decision support in the management of heat supply which carries out the heating monitoring, forecast of heat consumption and decision support of the heating modes regulation is developed. To make the decisions on h...

The chapter proposes to approach the problem in the following ways: Assess the problems in the existing power system, analyze the current state of the RES using, and determine the existing ways of computer modeling of the grid. The chapter also discusses the topicality of renewable energy use in the construction of distribution grids and the abilit...

The chapter focuses on implementation of information technologies in energy management of district heating system. It captures the current state of energy management in district heating. The main standards of energy management are described. The specific features of district heating system and the existing tools of energy management in district hea...

The paper is considering a problem of providing energy in small neighbourhoods consisting of the households and local industrial or commercial units (e.g. farms, workshops, offices). Such communities may benefit from the use of the Hybrid Renewable Energy Systems (HRES) harnessing solar and wind power, accumulating excess energy using Power Storage...

The paper is dedicated to the description of problems that occur during the functional modelling of MES (manufacturing execution system) class information systems. It was determined that the most significant problem is the lack of the universality of information systems. According to preliminary studies, the universality is achieved by using a proc...

The chapter proposes to approach the problem in the following ways: assess the problems in the existing power system, analyze the current state of the RES using, and determine the existing ways of computer modeling of the grid. The chapter also discusses the topicality of renewable energy use in the construction of distribution grids and the abilit...

This study is devoted to the increasing of the heat energy demand forecasting accuracy for district heating of the public sector buildings. The authors have analyzed forecasting techniques used for the heat energy demand forecasting for buildings with district heating. The system model for description the forecasting process as a part of the inform...

The goal of effective public administration is to provide qualitative services to citizens. Due to the increasing use of information and communication technologies (ICT), e-government is one of the possible solutions in achieving this goal. This solution includes a good understanding and management of the existing business processes, the use of nor...

The method of improvement the process of decision support to improve management of heat supplies’ modes through the development of prediction heat consumption model of the social and public sector building is proposed. The object of the study is the process of choosing the most optimal architecture of the neural network to solve goals of forecastin...

This paper describes the features of Smart MicroGrid and explains the of prior building appropriate information model of this system. It was determined information power system evaluation techniques and existing methods that can be applied in information system with simulation tools classification. This paper compares different tools for modeling,...

In this paper an implementation of a web-based monitoring system, which introduces the components and principles of this monitoring system, and provides the model of heat consumption prediction is presented. The general architecture of the information system is described. The data collection subsystem comprises monitoring devices such as digital se...

The present paper concerns the features and grounds of the modern element base for creation of the devices fordata collection of non-permanent parameters in geographically distributed systems of monitoring of buildings for industrial and sociocultural purposes.

The present paper concerns the features and grounds of the modern element base for creation of the devices for-data collection of non-permanent parameters in geographically distributed systems of monitoring of buildings for industrial and socio-cultural purposes. Аннотация — Рассматриваются особенности и обоснование современной элементной базы для...

The results of vane durability of the vane pump analysis are presented. The range of the loose part vane height is determined. Mathematical model is realized by facilities of COSMOSWorks module, which built-in in SolidWorks.