2020

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Agile transformation by organisational development projects
(Національний технічний університет "Харківський політехнічний інститут", 2020) Bushuyev, S. D.; Bushuiev, D. A.; Bushuieva, V. B.; Bojko, O. O.
The organisationl development of project, programs and project portfolios management systems with drivers of agile transformation is considered. Fust changes in the environment require further research into the effectiveness of the application of existing agile methodologies, knowledge systems and competencies of project managers and their leadership. The foundations of environmental change lie in changing the decision-making paradigm in agile project and programs management. The article explores modern approaches to leadership formation when applying agile methodologies of its specificity from decision-making processes in project management. The problems of leadership creation and development in the application of agile project management methodologies for the implementation of Agile transformation of organisation are considered. The studies were conducted based on a competency-based approach modelled by the International Project Management Association. The content model of competency of the leader applying agile management is presented. The Agile leadership and leadership behaviour patterns are formed in a project management behavioural competency system based on agile technology methods and tools. These competencies included: Self-reflection and self-management, Personal integrity and reliability, Personal communication, Relationships and interaction, Leadership, Teamwork, Conflicts and Crises, Resourcefulness, Negotiation, and Orientation to results. The patterns of project managers' behaviour as agile leaders in project product creation and agile project management are explored. The differences in the behaviour patterns of leaders and agile leaders were examined by behavioural competencies within the identified key competency indicators. Such patterns allowed the authors to identify bottlenecks in the application of agile project management methodologies in the context of the development for Agile transformation of organization.
Analysis of opportunities of analytical method of optimization in chemical technology
(Національний технічний університет "Харківський політехнічний інститут", 2020) Prishchenko, Olga Petrivna; Chernogor, Tetyana Timofiyivna
The article analyzes the possibilities of optimization methods in chemical technology. The optimization of the technological process of production of any product contains an important stage - the determination (finding) of a mathematical model or the equation of the relationship of the output quality indicator of the product (target function, optimization parameter) with the parameters of this product or technological process (input factors). The search for optimal conditions is one of the most common scientific and technical problems. The process of solving these problems is called the optimization process or simply optimization. An example of optimization is the search for the optimal composition of multicomponent mixtures or alloys, increasing the productivity or operating efficiency of existing plants, improving product quality, reducing production costs. To solve optimization problems, you need to choose the right method. Of the main optimization methods that are most widely used in chemical technology, this article considers the analytical method.
Analysis of the diagnostic criteria used to defect type recognition based on the results of analysis of gases dissolved in oil
(Національний технічний університет "Харківський політехнічний інститут", 2020) Kulyk, Oleksii Serhiiovych
Dissolved gas analysis is one of the most used and common diagnostic methods for high voltage oil-filled equipment. According to existing methods for interpreting the results of dissolved oil gas analysis, defect types are recognised using different diagnostic criteria. Using different methods to recognize the type of defect may result in different diagnoses. There area sufficient number of publications on the comparative analysis of methods for the results interpretation of dissolved gas analysis. Most of them do not cover more than 4 methods at a time, and only a small number of publications deal with more methods. Some methods remain unreported, therefore an analysis of diagnostic criteria used in various standards and methods to identify types of defects by the dissolved gas analysis is given. The national standards of Ukraine and the Russian Federation, international methods, as well as a number of author's methods and standards are considered. All considered methods can be divided by the type of diagnosis, by the diagnostic criterion used and by the number of recognizable defects. According to the type ofdiagnosis, the considered methods can be divided into two groups – analytical and graphical methods. In the considered methods the following diagnostic criteria are used – valuesof gas concentrations or the gas pair ratios or gas percentage content. Most of theanalysed methods allow identification of 6–7 most characteristic types of defects. The highestnumber of recognizable defects is 13–14, and the lowest only 3–4. Only a few methods make it possible to diagnose defect-free condition and/or damageof solid insulation as well as to recognize combined defects. The results show significant differences in the criteria and norms used by different standards and author's methods to determine the type of defect, which can lead to different diagnoses for the same data.
Assessment of the strategic potential of an intellectual business system operating in a dynamic external environment
(Національний технічний університет "Харківський політехнічний інститут", 2020) Lisitsky, Vasily Lavrentievich; Semenchenko, Arseny Igorevich
The paper discusses the issues of increasing the efficiency of the functioning of an intelligent business system by reducing its losses by creating an integrated set of models for assessing the level of its current strategic potential and the degree of achievement of its fixed target state. The object of the analysis is an intelligent business system of the IT industry that produces software products, the results of which depend on the well-established abilities of its personnel, who has effective intelligent information technologies. The task of assessing the strategic potential, determined by the totality of available resources (human, material, intellectual) that can be put into action, mobilized to achieve the target state of the enterprise, this calculation is based on estimates of the material and intellectual potential of the business system. We will build a complex of models for determining estimates of material and intellectual potential based on the significance and intensity of the influence of the strengths and weaknesses of the material, human, intellectual resources of the functional zones of the business system. Development of a subject technology for assessing the strategic potential of an intelligent business system, assessing the degree to which it reaches a fixed target state. Obtaining the results can serve as a theoretical basis for creating information technology for assessing the strategic potential of an enterprise in the IT industry.
Benefits of emotional inтelligence for retail
(Національний технічний університет "Харківський політехнічний інститут", 2020) Mykilchenko, Maria Mykolayivna
This article is devoted to the issue of emotional intelligence in the life of each person an in retail. The idea is based on the fact that the EQ itself has a decisive influence on the formation of the individual and his integration into the society. Also, the comparative characteristics of two types of intelligence and their importance in the development of personality, its development and success in retail. The author analyzes different types of thinking, the concept of emotions and the ways of their correction for mental and intellectual development, because emotions are the driving force in both personal life and the professional field. There is an opinion that without emotional intelligence it is now impossible to move forward or reach any significant heights, it can be developed and improved. Particular attention is paid to aspects of emotional intelligence and real steps that need to be taken to realize their own potential. Also the article reveals information about the ability to control our own emotions and our own understanding of our weaknesses and strengths. The article presents vivid examples of the real importance of EQ in business, management and retail. Provides practical recommendations for raising the level of emotional intelligence. The conclusion formed the main results of the study and analysis of EQ.
Calculation of the electric field distribution in the vicinity of the conductive rod
(Національний технічний університет "Харківський політехнічний інститут", 2020) Lytvynenko, Svitlana
The article reviews the methods of mathematical modeling of electric fields in the vicinity of conducting rods and presents a method developed for calculating the distribution of the electric field strength and potential in systems with conducting rods. This method allows to use a computational spatial grid with a step proportional not to the radius of the rod, but to its length, which is relevant when the ratio of the rods length to its radius is large. The method is applied to the calculation of rods EF, for which this ratio is of the order of 102–103. The proposed method is based on the finite integration method. At the same time, the non-linear decrease in the levels of strength and potential when moving away from the rod in directions perpendicular to its axis is taken into account. The difference coefficients at the nodes surrounding the rod were obtained by integrating over the computational grid cell surfaces of expressions describing the strength and potential of the electric field for an elongated conducting ellipsoid under potential. With this representation of the conducting rod, it was possible to achieve the greatest accordance of calculations with the analytical solution. In practice, the application of the presented method allows for a more accurate calculation of the electric field in the vicinity of a conducting rod, which is either under potential, or in a homogeneous electric field, using a computational grid with a step proportional not to the radius of the rod, but to its length. The non-linear character of the decrease in the strength and potential of the electric field near the rod is taken into account using analytical expressions for a conductive ellipsoid under potential. In the area surrounding the rod and above its top, when using a spatial grid step proportionate with the length of the rod, and not with its radius, the relative errors in calculating the strength decreased from 27 % to 3 %. The results of calculating the electric field of a lightning rod are presented in order to analyze the conditions for the occurrence of upward leaders.
Capacitive transducers based ITO/polyimide/Al2O3 thin film structure
(Національний технічний університет "Харківський політехнічний інститут", 2020) Zaitseva, Liliia; Vodoriz, Olga; Zaitsev, Roman
It has been developed and approbated prototypes of thin-film capacitor transducers based on Al/ITO/polyimide/Al2O3 heterosystem for capacitive acoustic control in metal objects in the modes of simultaneous acoustic signal reception and generation by capacitive transducers and in certain modes of acoustic signal generating or receiving that can realize objects monitoring with sensitivity at the level of piezoelectric transducers. The developed prototype of thin film capacitive transducer for monitoring pipelines by longwave capacitive method allows increasing the maximum distance between the capacitive transducers up to 10 meters. At a substrate temperature of 300 oC and a specific power of the magnetron of 0.31 W/cm2 on Upilex polyimide films were obtained layers of capacitive transducers with a thickness of 0.2-concentration of charge carriers was 8,3·1020 cm-3 and mobility - 44 cm2/(V·s). It has been engineered the thin film capacitive transducers which by using the polyamide film with 15 microns thickness of and alumina film with 1 micron thickness allow to increase the sensitivity of such method in 7-8 times, and the additional use of thin crystalline Al2O3 films deposited on a substrate of polyimide, allows to increase the value of the dielectric constant of the layer of the capacitive transduser from 3-4 relative units to 8.5-11.5 relative units. Experimental studies of the crystal structure of the developed transducers by X - ray diffractometry and research of their dielectric properties were carried out. The device was tested and the possibility of its use was shown along with the generally accepted methods of defectoscopy. It is shown that using the magnetron sputtering technology, which provides high adhesion to polyimide substrate layers, made possible produce the capacitive transducers for objects with various shape. Proposed and patented: capacitor method for receiving acoustic signals in non-destructive control and transducer of ultrasonic acoustic wave’s excitation and receiving.
Capturing software requirements for business process model analysis and improvement
(Національний технічний університет "Харківський політехнічний інститут", 2020) Kopp, Andrii Mykhailovych; Orlovskyi, Dmytro Leonidovych
This paper considers the problem of software requirements capturing for business process model evaluation and recommendations generation to suggest how detected modeling errors may be eliminated in order to improve business process model correctness. Existing software tools for business process model analysis are based on metrics and thresholds that allow assume presence of errors in business process models, but they are not capable to recommend structural changes required to eliminate detected modeling errors. Therefore, business process model analysis and improvement tasks become relevant, since early detection and elimination of possible errors presented in business process models may allow organizations avoid extra costs that may occur on any of the steps of business process lifecycle. Since business process models are shared organizational assets, it is also necessary to consider the capabilities of collaborative and concurrent usage of business process models by multiple stakeholders. Hence, the workflow of business process model analysis and improvement was analyzed and its key steps, which describe expected user and software behavior, were formalized using the IDEF0 functional model. Functional software requirements were captured in the form of user stories according to modern agile practices of software development. These user stories are based on features and drawbacks of existing software tools for business process model analysis. Captured user stories were formalized using the use case modeling. Non-functional software requirements were also captured; they include maintainability, readability, testability, understandability, integrability, and complexity requirements. Captured requirements can be used to design and develop business process model analysis and improvement software capable to provide recommendations to eliminate detected modeling errors.
The coronavirus COVID-19 effect on global economy
(Національний технічний університет "Харківський політехнічний інститут", 2020) Gololobova, Olesya; Chmeleva, Olga
The article is devoted to the consideration of the economic situation in most world countries in connection with the COVID-19 coronavirus pandemic, as well as to the analysis of the factors of economic decline in various sectors of the economy, industry and service provision. The outbreak of coronavirus has already caused suffering to humanity and led to significant economic shock. The decline in output in China is felt worldwide, reflecting China's key and growing role in global supply chains, as well as in financial and tourism markets. Outbreaks elsewhere in the world have similar effects, albeit on a smaller scale. Today, the prospects for economic growth remain uncertain, in particular, according to the forecast, the annual growth of global GDP as a whole until 2020 will fall to 2.4% compared to 2.9% predicted in 2019. The longer and more intense phase of the coronavirus outbreak, which is spreading widely in Asian region, Europe and North America, will significantly weaken economic expectations. In this case, global growth may drop to 1.5% in 2020, which is twice the projected rate of COVID-19 outbreak. There are also serious concerns that the continued spread of COVID-19 could jeopardize food security. Those are issues that make the work relevant. The theoretical and practical importance of the work is the need to consider as soon as possible the impact of negative risks on the economies of the world, the development of the most effective and proactive measures to prevent the infection of the virus, as well as the introduction of clearly targeted policies to support health systems and its workers, to protect the income of vulnerable social groups and enterprises during the pandemic. Activities aimed at maintaining macroeconomic policies can help restore confidence and encourage renewed demand and help to implement coordinated multilateral actions to ensure better health policies, deter and mitigate business controls, support businesses and ordinary low-income citizens. The conclusion was made that assessing the economic consequences of the virus outbreak is not an easy task due to uncertainty. However, it is possible to try to model scenarios for further restructuring of the world economy and its recovery.
Current issues of leadership
(Національний технічний університет "Харківський політехнічний інститут", 2020) Antonova, Anastasiia Mykhailovna; Novik, I. O.
The article discusses the main historical views of scientists on the emergence of leadership. The differentiation, typologization and models of leadership perception are disclosed. The article is devoted to the consideration of the modern understanding of the phenomenon of leadership, the influence of history on understanding leadership and its role in the world, its relationship with management. The main focus of the article is on the study of the theoretical and practical foundations of human leadership in a company. Issues of leadership and their role in management are considered. The article discusses the role of a leader and manager, their similarities and differences, as well as the need of each for the effective existence of a company or group. The authors analyze the distinctive features of a leader and his behavior, the specifics of the presentation of the image of a leader, the path to becoming a leader, and why not everyone can be a leader. The place of a leader in the modern world is analyzed, the qualities necessary to be a leader. New requirements for modern management are highlighted, new features of a manager who can effectively combine the role of a demanding boss with the role of an inspirer, a visionary leader, such a leader that members of the organization are not forced to follow as subordinates, but as loyal followers and associates, are highlighted. The authors of the article substantiate the relevance of the leadership problem, the degree of its development in the scientific and educational literature. The essential features of leadership in management are revealed.
Designing information support for evaluating the quality of embedded software
(Національний технічний університет "Харківський політехнічний інститут", 2020) Zybin, Vladyslav Ivanovich; Liutenko, Iryna Victorivna
This article presents a system for evaluating the quality of embedded software using a decision system based on fuzzy logic. These approaches will improve the assessment of software quality, due to its features. This article defines the main criteria for software quality used in assessing the quality of the software. The main literature was examined, in which fuzzy logic was described, decision-making systems using fuzzy logic, as well as software quality assessment systems, including software for embedded systems. The main characteristics and properties of embedded syst ems were considered. Based on the considered characteristics and properties of embedded systems, the ranking of criteria was made, which will be further used in the software quality assessment methodology. The main criteria that are used to evaluate the quality of software were considered, and the criteria presented were distributed according to the degree of influence on the assessment of the quality of software of embedded systems. Fuzzy logic was considered, and more precisely: the basic properties of fuzzy logic and fuzzy numbers, the basic mathematical operators applied to fuzzy numbers. The system for constructing rules for the rule base, as well as the defuzzification process, built on the basis of the centroid method, is analyzed. An example of software evaluation for embedded systems was considered. In this example, linguistic variables were determined, as well as their numerical ranges, which were used for the initial assessment of the quality criteria of this software. Each range of ratings was distributed according to the influence of a criterion on software quality. The output linguistic variable and its numerical value were also determined. In the end, based on the set values, an estimate of the set software was derived. The theoretical result obtained in this article is the basis for constructing a system for evaluating software quality for embedded systems.
Developing adaptive learning management application for project team in It-industry
(Національний технічний університет "Харківський політехнічний інститут", 2020) Sokol, Volodymyr Yevhenovych; Bronin, Sergiy Vadymovich; Karnaukh, Vira Eduardivna; Bilova, Mariia Oleksiivna
Keeping employees aligned with modern trends and developments in their professional areas is the main focus of a lifelong lea rning approach. That becomes even more important for such dynamic industries like Information Technology. Therefore, it’s crucial to extend existing e-learning management system with an adaptive training component that enables the effective study of on-demand skills, leading to a broader range of candidates available for project management to select from and consequently improving the overall performance of an IT company. To improve the existing learning process according to company's and employee's needs the overview of a typical learning management system functionality is given in this paper. The main benefits from the adoption of a learning management system in small and medium-sized IT-companies were discussed, analysis of their features and problems was given. The adjustment plan for the typical learning management system to be suitable for the information technology domain including module of the adaptive learning content selection using the basic principles of graph theory was proposed to reduce the time of the learning process. LMS OpenOLAT was reworked according to the adjustment plan which is reflected by the number of diagrams such as sequence diagram, IDEF0 business process description, activity diagram that shows search algorithm steps and application component diagram. Also, GUI was adjusted to provide user with a good look and feel. The benefits of the proposed approach in business processes of IT-company are shown using “Academy – Smart”. To prove the efficiency of the proposed algorithm, real courses were used. Based on the learning material, provided by “Coursera”, a number of test cases was formed and analyzed. After applying adaptive content selection algorithm according to the models of “Academy – Smart” employees, learning time was reduced and optimized. This investigation has shown significant improvement in the resource management process and acceleration of the learning process for employees.
Development of a model and a software solution to support the analytical dashboards design problem
(Національний технічний університет "Харківський політехнічний інститут", 2020) Orlovskyi, D. L.; Kopp, A. M.; Kondratiev, V. Yu.
This research paper considers the problem of dashboard design as part of the Business Process Management lifecycle, where it is become necessary to monitor and control the current state of the organizational business processes. Therefore, designed dashboards should fully correspond to the features of the considered business processes, such as Key Performance Indicators and possible stakeholders, which are considered here as users of the developed Business Intelligence dashboard application. At the same time, according to the state-of-the-art in the field of data visualization, it is required to choose data visualization techniques, which are clear, easy interpretable, space efficient, attractive, and legible. In general, the dashboard design problem requires placing various visualization tools in a relatively small place, such as a screen of a computer, a laptop, a tablet, or even a smart phone, while keeping them accessible and easy to understand. At first, as part of the related work review and analysis, we have considered the core architecture of the dashboards and reporting applications. It is outlined that modern dashboards might use various big data chunks, such as databases of enterprise information systems of different types, spreadsheets data, and even unstructured documents. In order to summarize all the raw data from these data sources, the Data Warehouse should be built and, moreover, it should correspond to the metrics and indicators of business processes that should be demonstrated on a dashboard. We have also considered main principles, common mistakes, and graphs and charts that might be used to design a dashboard for business analytics purposes. Using the existing research in this field, the levels of informativeness were defined for each visualization tool, as well as the best practices of mapping various data types to graphs and charts are outlined. Proposed model of the da shboard design is based on the mathematical optimization. It is used to provide recommendations on which visualization tool should be used to display a certain Key Performance Indicator on a dashboard that corresponds to a certain user role. Development and usage of the software solution that implements the proposed model is outlined, as well as the obtained results of validation of the proposed software solution are shown and discussed.
Development technology of electrical conductance ceramics
(Національний технічний університет "Харківський політехнічний інститут", 2020) Lisachuk, Georgiy Viktorovych; Ved, Maryna Vitaliivna; Kryvobok, Ruslan Viktorovych; Zakharov, Artem Viacheslavovych; Voloshchuk, Valentyna Vasylivna; Maistat, Mykyta Serhiiovych
The article considers the influence of the technological parameters of the composite ceramics production on the specific volume resistivity of the composition and, consequently, on the protective properties against the effects of electromagnetic radiation. The technological parameters included the preparation method, the averaging time of the raw materials, both the pressing and second calcination pressure. Based on the complex of studies carried out, the following technological parameters of production were established: duration of grinding – 60 minutes; the moisture content of the press powder is 6.2%; pressing pressure – 25 MPa; first calcination temperature – 1060 °С; temperature of the second calcination – 1060 °C. The developed technology can be applicated at enterprises that produce ceramic tiles according to high-speed calcination. The resulting material can to protect biological and technical objects from the action of electromagnetic radiation. Further research at selecting a glaze coating for the developed ceramics is aimed.
The economical advantages and disadvantages of urban passenger transport modes according to the purposes of urban passenger logistics
(Національний технічний університет "Харківський політехнічний інститут", 2020) Zhang, Min; Gorovyi, Dmytro Anatoliiovych
Urbanization and the significant growth of cities, due to the large processes of migration of rural residents to cities, passenger logistics became a separate problem of the 20th, and now the 21st century, especially urgent for the People's Republic of China. This led to the fact that the issues of urban passenger logistics became relevant. A distinctive feature of the human resources (passenger) logistics, in contrast to traditional transport logistics, is the quality of delivery or transportation. Therefore, the choice of the cheapest mode of transport (if there are no talks about perishable or fragile resources), the fastest delivery method, the optimal route, etc. plays an important role in ordinary transport logistics. Other goals play an important role in the transportation of people: comfort, small overload, convenient schedule, availability of accumulation points (stations, platforms, platforms, etc.), and especially – a choice of a transport mode vehicle and its suitability for transporting people. The aim of the article is to find out the economic advantages and disadvantages of all possible modes of urban passenger transport according to the purposes of urban passenger logistics. Many scientists discovered the problem of urban public transport mode choice, but it is still not have an optimal decision, as the aim of their study were connected technical side of urban transport or the management of existing transport modes, fuel alternative decisions, the possibility of traffic congestion reduction, etc. It the article it was shown that according to comparison on ecological and construction and operating cost criteria the best modes of passenger urban transport for ordinary landscape city are trolleybus and electric bus, as the most balanced modes. The most popular existing modes as bus and subway have lacks: a bus has a lack of environmental friendliness, and a subway has high cost on construction and operation. After choosing the best urban mode of passenger transport for the city two other main issues of organizing urban logistics are left. The choice of the method of accounting and control of travel and the choice of a fare rating system will be investigated in the next articles.
The effect of the radial clearances on the dynamic processes in rolling bearings
(Національний технічний університет "Харківський політехнічний інститут", 2020) Gavrilov, S.; Ishin, N.; Goman, A.; Skorokhodov, A.; Dakalo, J.
A method for calculating the parameters of shock pulses generated in rolling bearings due to the presence of radial clearance in them is proposed. The method is a further development of theoretical research in the scientific direction of vibration-pulse diagnostics in relation to the operational assessment of the technical condition of bearing units as components of the gear drive mechanism, which largely determine the drive resource as a whole. The calculation is based on the consideration of the precession movement of the bearing axis, which it makes during the rotation of its shaft, and the theory of shock interaction of elastic bodies by G. Hertz. The mechanism of occurrence of shock pulses has been studied with an additional introduction to the calculation of the radial force acting on the shaft. It is shown that wear, which causes an increase in the working radial clearance between the races and the rolling bodies in the bearing, increases the speed and amplitude of the impact interaction of the inner ring with the rolling bodies. An example of calculating the parameters of shock pulses in ball radial single-row bearings of the 307 series is given. Conclusions are made about the prospects of using the developed method for diagnostics and forecasting the remaining life of bearings of transmission units of mobile machines.
Energy efficient asynchronous electric drive of an electromobile
(Національний технічний університет "Харківський політехнічний інститут", 2020) Vorobiov, Bohdan Vitaliyovich
The introductory part of the article describes the relevance of developments in the field of electric vehicles, as well as an economic analysis of the feasibility of using electricity as fuel instead of gasoline on the example of some mass-produced cars. Based on the general requirements for vehicles, a functional diagram of an asynchronous electric drive of an electric vehicle with a supercapacitor battery was built and justified as an intermediate link for the accumulation of electrical braking energy, all elements of the electric drive are described and justified. The parameters of a supercapacitor battery are obtained that can provide the necessary capacity for energy recovery. The optimal structure of the power energy converter was selected, as well as the necessary control algorithms. A mathematical computer model of the electric drive has been built, taking into account all the loads that the electric car experiences during movement, and also allowing modeling the necessary coordinates in various urban cycles of vehicle traffic. A computer simulation of the characteristics of the system was carried out when driving on a horizontal road, as well as when driving from a slope at an angle of 20 °. The characteristics of changes in the voltage on the battery of supercapacitors during regenerative braking are obtained, which allow us to obtain data on the nature of the processes in the battery at each stage of the motion cycle. Transient processes of engine speed and torque are obtained that correspond to the driving influences and the selected control method. The adequacy of the computer model is confirmed and the obtained data are compared with the experimental data presented in the sources. Quantitative indicators of energy recovered in a supercapacitor battery are obtained.
Ensuring maximum energy efficiency of working places on the basis of system energy audit
(Національний технічний університет "Харківський політехнічний інститут", 2020) Bilovol, Hanna; Komar, Sergii; Vasilenko, Oleg; Panchuk, Oleksii; Rukavishnikov, Pavlo
A method for ensuring the maximum energy efficiency of working places on the basis of system energy audit is proposed. The method is based on the use of certain complete sets of ways to obtain the necessary functional properties of working places and structures of ways to ensure energy efficiency of processes. The expediency of the use of general models for integrated structural-parametric optimization of systems and linearized models of energy supply and consumption processes is shown. A complete set of structures of possible solutions has been developed for every path on ensuring the necessary functions of the working place. It is shown that the formation of a complete set (within the accepted classification) of possible structural solutions can be achieved by topological product of complete sets of ways to obtain the desired functional properties of jobs and structures of ways to ensure energy efficiency processes. For each structurally excellent path, a relationship system is proposed according to which the search for reserves of energy saving and energy efficiency can be carried out within the limits of blocking circuits.
Estimating economic efficiency of enterprisese functioning
(Національний технічний університет "Харківський політехнічний інститут", 2020) Sheianova, Elina Dmytrivna
The article analyzes the essence and significance of the mechanism for assessing the efficiency of production activities. The main aggregate indicators of comprehensive assessment of economic efficiency of enterprises are identified. The main approaches to assessing the efficiency of production activities of the enterprise are analyzed and systematized. The use of econometric modeling is proposed to increase the reliability of the assessment of production efficiency. Improved theoretical foundations of the concept of "efficiency of the enterprise" as a property and ability of the enterprise to formulate and achieve its goals, taking into account the influence of external factors and using internal operating conditions, to achieve goals using all available resources and tools to solve social, environmental, budgetary and other problems of both society and the enterprise at the established ratio of expenses and results. The main theoretical and methodological approaches to assessing the economic efficiency of enterprises are considered. The main approaches to assessing the efficiency of production activities of the enterprise are analyzed and systematized. The use of econometric modeling is proposed to increase the reliability of the assessment of production efficiency. The expediency of such an assessment by determining the dependence of the efficiency of production activities on the partial indicators of the evaluation mechanism in modern industrial enterprises by traditional and multifactorial approaches is substantiated. The main elements of the assessment of the efficiency of producti on activities of the enterprise are identified and the integrated indicator of the assessment of the efficiency of production activities is determined. The expediency of such an assessment by determining the dependence of the efficiency of production activities on the partial indicators of the evaluation mechanism in modern industrial enterprises by traditional and multifactorial approaches is substantiated. The main elements of the assessment of the efficiency of production activities of the enterprise are identified and the integrated indicator of the assessment of the efficiency of production activities is determined. The article examines the main approaches to establishing the essence of economic attractiveness and economic efficiency of investment projects. Methodical approaches to assessing the economic attractiveness and cost-effectiveness of investment projects are explored. The main stages of evaluating the economic attractiveness and efficiency of the investment project have been established.
Estimating economic efficiency of enterprisese functioning
(Національний технічний університет "Харківський політехнічний інститут", 2020) Sheianova, Yuliana Dmytrivna; Sheianova, Elina Dmytrivna
The article analyzes the essence and importance of the mechanism of estimation of production activity efficiency in a modern industrial enterprise. The main aggregated indicators of complex evaluation of economic efficiency of enterprises are determined. In accordance with the prevailing instruments and means of public administration, the main mechanisms of state regulation of the analyzed industry are identified. The theoretical principles of the concept of "enterprise efficiency" as a property and ability of the enterprise to formulate and achieve their goals, taking into account the influence of external factors and using internal conditions of functioning, to achieve the set tasks, using all available resources and means for solving social, environmental, budgetary and other problems of both society and enterprise at the established cost-benefit ratio. The basic theoretical and methodological approaches to the estimation of economic efficiency of enterprises are considered. The basic approaches to the estimation of efficiency of production activity of the enterprise are analyzed and systematized. It is proposed to use econometric modeling to improve the reliability of the estimation of the efficiency of production activity. The expediency of carrying out such an assessment by determining the dependence of the production activity efficiency on the partial indicators of the evaluation mechanism in modern industrial enterprises based on tradition al and multifactorial approaches is substantiated. The basic elements of estimation of efficiency of production activity of the enterprise are selected and the integral index of estimation of efficiency of production activity is defined. The main approaches to establishing the essence of economic attractiveness and economic efficiency of investment projects are investigated in the article. It is established that the purpose of assessing economic attractiveness is to determine the efficiency of use of public resources within the project, economic efficiency - to assess the feasibility of using scarce (limited) resources of society in the framework of a specific project. The views of scientists on the choice and characteristics of indicators of evaluating the economic efficiency of functioning of enterprises for the purpose of conducting a comprehensive analysis are investigated. Methodical approaches to assessing the economic attractiveness and cost-effectiveness of investment projects are explored. The main stages of evaluating the economic attractiveness and efficiency of the investment project have been established.