bluuebunny/crossref_metadata_2025 huggingface dataset:
OPTIMAL DESIGN OF INVOLUTE SPUR GEARS WITH INCREASED CONTACT RATIO: OBJECTIVE FUNCTION, VARIABLES PLANNING AND CONSTRAINTS
Authors: Ustynenko Oleksandr , Cherelev Stanislav , Bošanský Miroslav , Protasov Roman , Bondarenko Oleksiy , Levin Nikita
Published: December 2022

Reducing the mass and dimensions of involute spur gears is an actual task of modern mechanical engineering. One of the perspective ways to solve it is the use of gearing with an increased working tooth depth and profile contact ratio εα ≥ 2. The study is devoted to the development of optimal design methods for such gears. Optimality criteria is formulated as follows: the contact stresses in the pitch point must take a minimum value when all constructive, geometric, kinematic, and technological constraints are met, first, when the profile contact ratio εα ≥ 2 is ensured. Variables planning are defined. These are addendum coefficients of the basic racks tooth for pinion and wheel ,  ; profile angle of the basic rack α; addendum modification coefficient of the pinion x1. Formed a system of constraints for the variables planning: the main functional constraint of the minimum value of the profile contact ratio: εα ≥ 2; constraint for the addendum coefficients of the basic racks tooth for pinion and wheel ,  ; constraint for profile angle of the basic rack α; constraint for addendum modification coefficients x1, x2; absence of the cutter interference for tooth dedendum; absence of the sharpening for tooth addendum; absence of the mesh interference; ensuring the bending strength of pinion and wheel teeth. A method for solving the problem of optimal design is chosen. The method of probing the space of design parameters was chosen from all the variety. The points of the LPτ-sequence are used as test points. The method allows you to operate with a significant number of parameters – up to 51, provides a sufficiently large number of evenly distributed test points – up to 220. In further studies, it is planned developing of methods and algorithms for solving the problem. Also carry out test and verification calculations to confirm and evaluate the theoretical results.
Keywords: spur gear, profile contact ratio, contact stress, optimal design, objective function, variables planning, constraints of the variables planning.
Increasing the functional reliability of industrial electrical networks 6-10 kV by integrating vacuum reclosers
Authors: Kalinchyk Vasyl , Pobigaylo Vitaliy , Borychenko Olena , Kuzovkin Sergii , Yatsenko Oleksandr
Published: December 2022

Topical matter of power supply for today is effective increase in the reliability of power supply in medium voltage overhead power systems by sectioning of lines with switching devices, such as disconnectors, controlled disconnectors or sectioning points. In such schemes, the manual approach to emergency management is used. This kind of schemes can be used where the overhead power lines are. Protective device on the outgoing feeder is switched off as soon as damage occurs in any area. As a result, all consumers of the line lose power for a long time. Remotely operated disconnectors or remote controlled sectioning points can also be installed instead of manual line disconnectors. This process of damage localization differs only in that all switching operations are performed remotely. Decision on switching is made by the dispatcher, constant communication with each controlled element of the network is necessary, otherwise it becomes virtually uncontrollable and the entire effect of remote control of disconnectors is eliminated.
Comparison of synchronous generators for autonomous gasoline installation system
Authors: Chumak Vadim , Kovalenko Mykhaylo , Tkachuk Ihor , Kovalenko Iryna
Published: December 2022

There are many power plants like thermal, solar, hydro, nuclear etc. but there are some disadvantage of it like CO2 emission pollution, problem of global warming requirement of fuels cost etc. To avoid such factors we developed system is biomass power plant to meet the demands of electricity and environment concern day by day price of fuels that fact to which motivate to use renewable energy. Biomass is renewable in nature, carbon neutral and has the potential to provide large productive employment in rural areas. It is considered as one of the promising sources for generation of power / energy using commercially available thermal and biological conversion technologies. The fossil fuels are depleting very fast, it is very important to replace fossil fuels with best alternative fuel modes which will be available for requirement in abundance at the same time if it is ready at one’s disposal is a eminent balance to the environment. The sanctification for this need is the bio mass power plant; on finding the major advantage of bio mass power plant is the fuel which is agricultural waste (rice husk, wood, etc.) segregation available in unnumbered tons around the world. It is very important to utilize this in the context of energy. It is also found that the sulphur content in the biomass is very less when compared with coal. The wood fuels contains very little ash (-1% or less), so increasing the ratio of wood in biomass coal blends can reduce the amount of ash that must be disposed. In biomass power plants, wood waste or other waste is burned to produce steam that runs a turbine to make electricity, or that provides heat to industries and homes. Fortunately, new technologies including pollution controls and combustion engineering have advanced to the point that any emissions from burning biomass in industrial facilities are generally less than emissions produced when using fossil fuels (coal, natural gas, oil), biomass is burned in a combustor or furnace to generate hot gas, which is fed into a boiler to generate steam, which is expanded through a steam turbine or steam engine to produce mechanical or electrical energy. In this paper were performed comparison of traditional synchronous generator with electromagnetic excitation and permanent magnet generator for autonomous gasoline installation system.
Correction of output power of non-multiplicator wind electrical installation at discrete and random speed values
Authors: Chumak Vadim , Ostroverkhov Mykola , Kovalenko Mykhaylo , Golovko Vladimir , Kovalenko Iryna
Published: December 2022

The main converter of mechanical wind energy into electricity in wind turbines is an electric generator. Typically, such systems use synchronous generators with permanent magnets on the rotor. The main disadvantage of this design is the complexity or the impossibility of adjusting the output parameters of the generator: voltage, power, etc. Known methods and tools aimed at solving this problem relate to cases where the wind speed is constant, ie constant. In real conditions, the nature of the wind is changeable. The average annual wind speed for Ukraine varies between ≈ 5-6 m / s. The current value of wind speed depends on weather conditions, time of day and season. Accordingly, the nature of the output power of the generator will be variable. In this paper, the authors evaluate the effectiveness of the correction of the output power of the generator of the multiplier wind turbine at discrete and random values of wind speed. The main power unit of this study is a magnetoelectric synchronous generator with two-sided arrangement of magnets on the rotor and with axial magnetic flux. To solve this goal, a numerical simulation mathematical model of the system was developed, consisting of a multiplier-free wind turbine and a magnetoelectric synchronous generator with two-way arrangement of magnets on the rotor and with axial magnetic flux in the MATLAB-Simulink software package. The developed simulation model takes into account the change of the output parameters of the generator when the wind speed changes and vice versa, the system in which the change of the initial state of the generator leads to a change in the parameters of the rotor of the wind turbine. The variability and discreteness of wind speed is realized in the MATLAB-Simulink system by generating signals, the values of which at certain points in time are a random variable distributed according to the normal (Gaussian) law with predetermined parameters. Using the developed mathematical model, numerous simulation experiments were performed, which investigated the efficiency of correction of the output power of the studied system when connecting static capacitors to the armature winding of the generator and when applying current to the additional winding of the magnetoelectric generator. When connecting an additional magnetizing capacitance ≈30 μF to the generator terminals, there is an increase in output power by ≈5-10%. When the voltage is applied to the excitation winding Uf = 8 V, there is an increase in the output power of the generator ≈30-40% than without regulation. Therefore, it is a more efficient way to correct the output power of the magnetoelectric generator. The developed mathematical model can be used in further research to synthesize the control law of the additional winding of the magnetoelectric generator for the most efficient conversion of mechanical wind energy into electrical energy.
PHILOSOPHICAL TRIANGLE OF CONTEXT OF CONTROLLING IN THE MANAGEMENT OF THE ENTERPRISE
Authors: Mishchenko Volodymyr , Shapran Evgen , Drugova Olena , Korzun Valeriia , Jabbarowa Guljahan
Published: December 2022

Controlling in today's conditions is considered as management of economic activity of the enterprise with use of modern innovative tools. Since classical management cannot be effective in conditions of uncertainty and crisis situations, controlling management must be permanent and anti-crisis. The all-encompassing nature of controlling is reflected in its connection to the various managerial aspects of the company, which are shown in the philosophical triangle. The company's general management policy has a direct mission to ensure the production, survival and development of the company as a result of its adaptation to the current external unpredictable and unpredictable environment, so it is the starting point of the entire technological network of controlling interdependencies between its socio-economic development.
ENERGY EFFICIENT TECHNOLOGIES FOR SELF-DEVELOPMENT OF REGIONAL RURAL COMMUNITIES
Authors: Shevchenko Vasily , Ivanko Alexander , Mekhovych Sergey
Published: December 2022

The paper considers new scientific approaches to solving an urgent problem - the systemic revival of regional communities within the boundaries of collectively elected electoral districts. It is noted that this requires modern additional knowledge that corrects traditional ideas about life. New approaches to the vision of the idea of ​​decentralization are formulated, its value for the functioning of Ukraine is substantiated in the extremely difficult problems of reviving its depressed regions in the entire spectrum of natural, human, military, economic, environmental and other problems. A simplified model of adaptive self-government and self-development in the regions under the conditions of children with non-invasive scientific State support is proposed. A mechanism for introducing an adaptive control system is proposed and its influence on the efficiency of the control apparatus, knowledge intensity, and the adoption of globally optimal multi-keriterial decisions using computer technologies is substantiated. Examples of developments in the field of biotechnologies are given that provide ultra-economical year-round cultivation of eco-friendly food products and biologically active Healthy Food Products in fundamentally new HelioGreenhouses. A mechanism for ensuring systemic Energy Saving using Electro-Greenhouses, solar collectors, Aero-Mechanical small-scale energy is proposed.
METHODOLOGY OF ORGANIZATIONAL REENGINEERING OF INDUSTRIAL RELATIONS AND MANAGEMENT SYSTEMS FOR ECONOMIC PROCESSES OF INNOVATIVE TRANSFORMATIONS
Authors: Popov Alexander
Published: December 2022

The article describes the methods of organizing industrial relations and the system of managing the economic processes of innovative transformations. Based on the generalization of the provisions of the organization theory and management theory, the methods of organizational and reengineering are ordered into an integral system with clearly defined characteristics, a logical structure and a process for their implementation. The features of the transformation of the control system of such a complex functional and technological formation as a production system are considered. It is noted that it is a synthetic multidimensional phenomenon, which is characterized by three attributive dimensions of the production system: process dimension, object and subject dimensions. It is substantiated that the integration of dimensions provides an opportunity to analyze, study and design a more efficient production management system based on organizational reengineering methods, as well as the opportunity to obtain functioning models focused on an object, formation or practical implementation. It is shown that industrial relations can be of a diverse nature, therefore, when conducting organizational reengineering of the management system, it is necessary to consider managerial, social and economic relations. The most significant factor in these relationships is the level of the management hierarchy, that is, the management environment. It can be divided into what directly controls (influences) and what controls indirectly or regulates. It is substantiated that the control system must ultimately be constantly improved and adapted to the changing conditions of the enterprise's production base. The requirements that the system of managing the economic processes of innovative transformations must meet in the framework of the ongoing technological rehabilitation are formulated. Key words: methodology, organizational reengineering, industrial relations, economic processes, innovations, management system, flexible production systems.
INNOVATIVE WAYS TO MANAGE FINANCIAL RISKS IN E-COMMERCE AND DIGITAL MARKETING
Authors: Tataryntseva Yuliia , Pushkar Oleksandr , Kochetova Tetiana , Nazarova Tetiana
Published: December 2022

The article substantiates methodological recommendations for financial risk management in the process of e-commerce and digital marketing. The importance of identifying digital and financial risks during the entire interaction between the client and the company based on the client's travel map is proved. Thanks to the proposed methodological recommendations, the company can systematically approach the risk management process, based on 3 stages: identification of critical points (recording of risk events) at the points of contact of customers; identifying the causes of risk events in the risk chain; elimination of the causes of risk events in the risk chain. Key Principles of Financial Risk Management in E-Commerce and Digital Marketing Proposed It has been proven that financial risk management in e-commerce and digital online marketing meets modern market demands, which is necessary to maintain brand loyalty and increase sales.
ENERGY AUDIT AT HEAT POWER STATIONS IN SERVICE
Authors: Dunaievska Natalya , Yevtukhov Volodymyr , Yevtukhov Danylo
Published: December 2022

This article explains the necessity of complex energy audit as an alternative for another approaches to their technical and economical indicators improvement. By authors estimation, latest 20 years there weren’t nor new facility launches neither research on existing ones (at least open public). The article proves that using limited financial resources for facilities modernization, external complex examination (audit) is systematized, controlled and profitable way to prolong energy equipment use or to justify its’ replacement. While any regulation rules for HES energy audit services are absent, such activities’ reliability straightly depend on customers’ and executants’ mutual clarity. Further there are requirements for HES energy audit Customers and Executants defined as far as general methodology approaches and typical energy audit (chronological) order. Also the article suggests that success of Ukrainian HES modernization strongly depends on sectoral-level energy business clarity and demonopolization.
RESEARCH AND ANALYSIS OF BUSINESS PROCESSES OF PASTA PRODUCTION BASED ON THE CONCEPT OF LEAN PRODUCTION AND THE USE OF SCADA TECHNOLOGIES
Authors: Moiseev Viktor , Manoilo Yuriy , Myalo Maksym
Published: December 2022

The article presents the results of the analysis of business processes of pasta production. According to the concept of lean production, types of losses during the production of pasta products were identified. Among the causes of losses are a high proportion of unregulated interruptions, cases of incomplete production in a shift, the presence of downtime due to technological equipment failures, and the laboriousness of manual operations. Taking into account the high importance of optimization of production business processes, emphasis is placed on the expediency of using lean production tools to eliminate losses. The standard SCADA system ‒ TRACE MODE with pre-developed functional schemes for processing grain into flour in the cross-platform Ramus system using CASE technologies was used to develop an automatic process control system. The description of the developed automatic control system for the technological process of flour disinfection using the energy of ultra-high frequency electromagnetic radiation is given. The proposed automatic technological process control system using a disinfectant will speed up and, accordingly, reduce the cost of production. a promising method of drying is proposed - with an infrared energy supply, which ensures obtaining a final product with high quality characteristics, reducing energy consumption and shortening the duration of the drying process. The use of silent heating elements will reduce the noise level at the enterprise; Modernization of technological equipment made it possible to ensure: the possibility of producing pasta products of higher quality; compaction of the structure of the semi-finished product and reduction of its fragility, while simultaneously increasing the strength limit of finished products by 20-25%; improvement of consumer properties, as well as sanitary and hygienic indicators of pasta products due to its pasteurization; decrease in moisture absorption and loss of nutritional value during storage.
DEVELOPMENT OF A FACETED CONCENTRATOR FOR A COMBINED PHOTOVOLTAIC PLANT
Authors: Nikitin Victor , Zaitsev Roman , Khramova Tatiana , Khrypunova Alina
Published: December 2022

This article examines the features of solar energy concentrators. The characteristics of the currently existing types of solar energy concentration systems are given: a weak concentration system and a high concentration system. Their design features and shortcomings are given. It is noted that Frenel lenses are one of the most widely used concentrators, but their optical efficiency is limited by low or high temperatures, as a change in the refractive index or deformation of the Frenel lens structure is observed due to thermal expansion. Fresnel lenses, which focus solar radiation on an area of ​​up to 1 cm 2, do not allow the utilization of excess thermal energy. The complex geometric shape of parabolic concentrators determines the expensive technology of their manufacture, which, in turn, significantly increases the cost of the electric energy produced by them. Luminescent solar concentrators have a low coefficient of concentration of solar energy. The conducted analysis showed that the existing concentrators of solar radiation do not allow to create competitive compared to traditional sources of electrical energy photo-energy installations that work at high levels of concentration of solar radiation and utilize excess thermal energy. In order to solve the mentioned problems, the authors developed a faceted concentrator of solar radiation, gave its characteristics and presented a laboratory sample. Questions of optimization of the adjustment of the concentrator are investigated. A report on the mock-up tests conducted has been published.
Seismic vibrations of multi-storey buildings within the framework of the plate model
Authors: Isaev Gulamjan , Usarov Davronbek , Usarov Furqat
Published: December 2022

A continual plate-like dynamic model of a multi-storey building is proposed in the form of a cantilevered orthotropic plate developed in the framework of Timoshenko's theory of plates, which describes the seismic vibrations of buildings. Formulas are given for determining the reduced moduli of elasticity, shear, and density of a plate-like model of a building. The transverse vibrations of the building under seismic effects are considered. Numerical results are obtained.
Digital control unit for switching power supplies based on STM32G474RET6 microcontroller
Authors: Derkach Maryna , Eremenko Andriy
Published: December 2022

The article is devoted to the development of a digital control unit based on a specialized STM32G474RET6 microcontroller, which will improve the software algorithm for controlling a switching power supply. The developed block consists of a minimum number of components and is a universal basis for controlling high-power power supplies with complex topologies. The microcontroller program makes efficient use of the computational resources of the new hardware. Illustr.: 4. Table: 1. Bibliography: 10 titles.

Keywords: block, source, impulse, microcontroller, control.
EFFICIENCY EVALUATION OF STEAM-GAS PLANTS WITH THE SOLID OXIDE FUEL CELLS INTEGRATION
Authors: Kostikov Andrii , Tarasova Victoria , Kuznetsov Mikhail , Ganzha Mykola , Mazur Andrii
Published: December 2022

Today in Ukraine the generation of electricity increasing is an extremely urgent task, which can be solved in a short period not only by the creation of new power plants, but by the modernization of high-power steam power units of existing thermal power plants. The conceptual solutions for the use of the gas turbine cycle and solid oxide fuel cell (SOFC) technology as an add-on to existing high-power steam turbines to increase the efficiency and environmental friendliness of their operation was developed. The paper considers the ways of complex modernization on the example of power units of CHPP-5 in Kharkiv with T-110/120-130 steam turbines. As an add-on, it is proposed to use the GTE-60 gas turbine unit with a capacity of 60 MW, produced at the Zorya-Mashproekt State Enterprise, Mykolaiv. Also, the integration into the “T-110/120-130–GTE-60” steam-gas circuit of a modular SOFC unit with internal reforming with a total capacity of 20 MW, which is composed of 40 tubular fuel cells with a capacity of 500 kW is considered. In the study of the condensation mode of the steam turbine operation, the following results were obtained: with the standard scheme of parallel connection of the gas turbine unit to the steam turbine with the supply of steam produced in the heat recovery steam generator (HRSG) to the medium-pressure turbine, the electrical efficiency was 42%, and the total electrical power of the installation was 170 MW; when the gas turbine unit was connected in parallel to the steam turbine with the supply of steam produced in the HRSG to the high-pressure turbine, the electrical efficiency reached 44.75%, and the total electrical power was 170 MW (during the operation of such a scheme, the steam is overheated due to additional combustion of gas in the HRSG); the waste circuit for connecting the gas turbine unit to the steam turbine with SOFC and regeneration substitution provided the electrical efficiency of 46% and the total electrical power of 190 MW; in the scheme of parallel connection of the gas turbine unit and SOFC to the steam turbine with the supply of produced steam to the high-pressure turbine, the electrical efficiency was 49.4% with the total electrical power of 190 MW. A comparative energy analysis of various options for combined circuit solutions for the modernization of the existing power unit of CHPP-5 was performed. This analysis showed that the greatest increase in electrical efficiency by 12% compared to the existing T-100/120-130 steam turbine was achieved in the scheme of parallel connection of the GTE-60 gas turbine unit with gas afterburning in the HRSG and SOFC with a total capacity of 20 MW.
DEVELOPMENT OF A TEXT EDITOR FOR UNIX OPERATING SYSTEM
Authors: Mietielov Volodymyr , Marusenko Oleksiі , Baskakov Oleksandr
Published: December 2022

The task of developing and implementing a software application for creating, editing, displaying on the screen, as well as saving in the form of files of various formats, which in turn will be used in programming in languages such as C, C++, Python, and the Linux system language – Bash, is being considered. The developed software application is designed to enable the user to interact with files of various extensions, edit and save changes, work with the content of files for further development of software code in languages such as C, C++, Python. The software application can be used both as a console application and with the use of a graphical interface on UNIX and MS Windows operating systems. During development, the UNIX operating system was used, namely the Linux – Ubuntu distribution, which made it possible to use the created text editor on such operating systems as Ubuntu, Linux Mint, Kali Linux, Raspberry Pi Ubuntu. A free cross–platform multimedia package of libraries – SFML was also used, which made it possible to use a text editor on the MS Windows platform. The source code of the SFML library is provided under the ZLIB/PNG Free Software Distribution License. During development, a method of processing input information, as well as saving it in a file of a separate format, was defined and implemented. The following programming languages were used: C, C++11, a convenient software application architecture was developed, which allows you to easily maintain and improve the program in the future. The use of a virtual machine was an integral part of the project. By using a virtual machine, many computer resources are utilized, such as: RAM, number of cores, data storage and discrete desktop acceleration in the desired operating system. A friendly graphical interface for user interaction has been implemented.
SELECTION OF THE TECHNIQUE OF ARRANGEMENT OF EQUIPMENT SERVICE AREA TO PROVIDE THE PERMISSIBLE TOUCH VOLTAGE
Authors: Koliushko Denis , Rudenko Serhii , Istomin Oleksandr
Published: December 2022

Ensuring the permissible value of the touch voltage in operating electrical installations is a necessary condition for the electrical safety of personnel and third parties. In the study, based on literature data, it is analyzed in which cases it is impossible to achieve the permissible values of the touch voltage only with the help of the design of the grounding system. It is shown that ensuring the permissible value of the touch voltage is performed by arranging in a special way both the place of operational maintenance of the equipment and the territory of the opendoor switchgear. It is study the selection a technique of arrangement of the service place to ensure the permissible value of the touch voltage on the equipment of the opendoor switchgear during a single-phase short circuit to the ground. When performing the work, statistical methods of analysis, the ammeter-voltmeter method for experimental determination of the resistance of the base according to the method of Research&Design institute "Molniya" NTU "KhPI" were used. For the first time, on the basis of statistical data, the necessity of arrangement of equipment service area to ensure an acceptable value of touch voltage at operating substations of class 110 (150) kV and 330 (220) kV was analyzed. The spread of base resistance (ground resistance of human foot) values was determined experimentally. The most common ways of arrangement of equipment service area were analyzed: technological (natural), namely: a reinforced concrete pool with a layer of crushed stone, a cable channel or tray, asphalt paths and specially created (artificial) ones, namely: a metal structure , a layer of crushed stone, reinforced concrete slabs, concrete slabs without scaffolding, paving slabs, concrete slabs (paving slabs) with gravel admixtures, polymer sand slabs. The base resistance was measured for the listed techniques at operating substations. The advantages and disadvantages of various arrangement of equipment service area are determined, and recommendations for their use are provided.
Perilaku konsumen terhadap keputusan pembelian Tahu Susu Jombang
Authors: Anesti May Anggi , Hayati Mardiyah
Published: December 2022

Industry in Jombang is growing, especially in the specialty food sector. One of the growing industries is tofu milk, a typical food of Jombang. The more years this industry, the more developed. The purpose of this study is to determine the characteristics and behavior of consumers and what factors influence consumers to purchase milk tofu. The number of respondents in this research is 120 respondents. In this study using 5 variables, namely the dependent variable consisting of purchasing decisions and the independent variables consisting of cultural, personal, psychological, and social factors. The data analysis methods used are validity and reliability tests, classical assumptions, and multiple linear regression. The results of this study are that simultaneously (simultaneous) cultural, personal, psychological, and social factors have a significant effect on the purchase decision of Jombang tofu milk. Partially, cultural, personal, and psychological factors have a significant influence on the purchase decision of Jombang tofu milk, while the social factor variable partially does not significantly influence the purchase decision of Jombang milk tofu.
Manajemen produksi dan kelayakan finansial tambak udang vanamei CV Indah Grup di Kabupaten Sumenep
Authors: Septianingtyas Hawaina , Hayati Mardiyah
Published: December 2022

CV. Indah Grup is a business engaged in vanamei shrimp aquaculture, which is located in Kalianget Village, Sumenep Regency. This study aims to analyze production management in shrimp ponds CV. Indah Grup and analyze business feasibility based on financial aspects. The data analysis method used is a descriptive analysis of production management and business feasibility analysis based on financial factors with the criteria of PP (Payback Period), NPV (Net Present Value), IRR (Internal Rate of Return), and R/C Ratio. The results showed that CV Indah Grup's vanamei shrimp pond business management had been carried out properly in accordance with the established procedure stages. The value of R/C ratio 1, NPV (Net Present Value) of Rp. 659,426,022, IRR (Internal Rate of Return) of 54.25%, and PP (Payback Period) of 1 year 7 monthsKeywords: Production Management, and Financial Feasibility
Analisis preferensi konsumen terhadap produk jamu PT. Jamu Air Mancur selama masa pandemi Covid-19 di Kabupaten Pamekasan
Authors: Solehah Rohematus , Ariyani Aminah Happy Moninthofa , Destiarni Resti Prastika
Published: December 2022

Change style life consumer going back to nature occurred during the Covid-19 pandemic. Change the affect the existence of differences in consumer tastes for a product that causes differences consumer preferences. The purpose of this study is to analyze the level of consumer satisfaction with herbal products PT. Jamu Air Mancur during the Covid-19 pandemic in Pamekasan Regency and identify quadrant maps of the attributes of PT. Jamu Fountain during the Covid-19 pandemic in Pamekasan Regency. This research conducted from month November 2021–February 2022 in Pamekasan Regency with elections purposively. A total of 96 samples were selected based on accidental sampling. Method analysis used _ is descriptive analysis method, validity and reliability test, CSI and IPA. The results of the CSI analysis are 82%, indicating that consumers are very satisfied. The results of the IPA analysis in quadrant I have no attributes in it, this quadrant must be prioritized in terms of improving product attributes. Quadrant II, price, quality, efficacy and taste, in this quadrant consumer satisfaction must be maintained. Quadrant III product safety, quality of materials used, practicality of packaging, and ease of getting the product, in this quadrant the satisfaction and performance attributes are low. Quadrant IV completeness of information, and brand popularity , in this quadrant the attributes that are considered less important by customers but whose performance is already excessive. PT. Jamu Air Mancur further improves and develops its products because consumers of these herbal products are the younger generation.
Model Pemberdayaan Dan Komunikasi Organisasi Karang Taruna Desa Munggugianti Kecamatan Benjeng
Authors: Fitria Linda Nur , Lubis Hisnuddin
Published: December 2022

The Karang Taruna's role in the community necessitates a high level of expertise and cooperation with the government. This necessitates empowering and enabling efficient organizational communication models between members and the village government so that development planning initiatives, notably social welfare, can run in harmony. It is done in Karang Taruna in Munggugianti Village, Benjeng District, through studying, discussing, advising, instructing, and mentoring the younger generation. These services address an individual's cognitive, emotional, and psychomotor aspects. Organizational communication has been modeled under the Stephen P. Robbins approach. The findings suggest that the Karang Taruna have a sense of their dignity and are aware of historical patterns that can be used as a learning tool. A second benefit was that Karang Taruna Munggugianti Village residents could air their views in public. As the Village Government's Social-Economic Recovery Partner, the karang taruna Munggugianti Village has the same perception or knowledge of the karang taruna Optimization Strategy. This karang taruna village can create the Independence program, which is part of the activity idea, and put it into action. "Y" communications model is used in the Karang Taruna Munggugianti Village's organizational communications model because it is flexible enough to adapt to any given situation or condition in which it is applied. In the Karang Taruna Munggugianti Village, the wheel communication model, in which the chairman is the center communicator, is the prevalent organizational communication paradigm.
Konflik Lahan Pemukiman Pada Tanean Lanjheng
Authors: Muyassaroh Muyassaroh , Dzulkarnain Iskandar
Published: December 2022

Conflict in society is something that cannot be separated, where there is a community there is conflict. And conflict will be negative. When one society shakes the synergy of the social system, one of them is fighting or violence. Conflict over land can also lead to violence and fights, because land is one of the most valuable things in people's lives, this can happen anywhere and this condition can happen to the Gritan Hamlet, Tlomar Village, where they are still implementing the tanean lanjheng house structure. The purpose of this study is to find out how to resolve conflicts over residential land on tanean lanjheng. In this study the author uses the theory of social conflict. Conflicts that occur in society do not only show a negative function, but can also have a positive impact. Therefore, conflict can be beneficial for the system concerned, conflict is a form of interaction and its existence should not be denied. The research method used is descriptive qualitative using a case study approach. Informant selection technique using purposive sampling. Data collection techniques using observation, interviews and documents. Data collection techniques using data reduction, data presentation and drawing conclusions. The data validity technique uses source triangulation.
Factors that Influence Students’ Interest in Investing during The Covid-19 Pandemic
Authors: Mutasowifin Ali
Published: December 2022

The increase in the number of investors until 2021 reached 201.5% compared to 2019. The increase was dominated by students and college students. The number of investors who increased drastically remains small, compared to the total population of Indonesian society. The subject of this study are undergraduate students at IPB University. This study aims to analyze the factors that influence the interest in investing during Covid-19 pandemic through undergraduate students at IPB University. The factors being studied were investment knowledge, investment motivation, and technological progress. The samples used in this study were 100 college students, for sampling each faculty using the Quota Sampling method. The analysis method used in this study were descriptive analysis and Structural Equation Modeling (SEM)-PLS. The result of analysis show that the investment knowledge factor did not affect significantly, while investment motivation and technological progress had a positive and significant effect on the investment interest of undergraduate students at GL University during the Covid-19 Pandemic. The results that investment knowledge does not have a significant effect on investment interest need to be considered so that it does not produce a negative impact. The research will be immensely useful to different stakeholders such as government, policymakers, financial advisors, and investors in making their strategic or operational decisions.
Peran Sistem Integritas, Sistem Pengendalian Internal, Kepem-impinan dan Komitmen Organisasi Terhadap Akuntabilitas
Authors: Pitaloka Bella Dwi Gina , Carolina Anita , Abrori Rian
Published: December 2022

Penelitian ini berusaha untuk menguji pengaruh sistem integritas, sistem pengendalian internal, kepemimpinan dan komitmen organisasi terhadap akuntabilitas pengelolaan ekowisata mangrove. Penelitian ini menggunakan pendekatan deskriptif dan kuantitatif, dengan cara membagikan kuesioner sebagai alat pengumpulan data primer. Metode purposive sampling digunakan untuk memilih 161 anggota kelompok sadar wisata di 4 kabupaten di Madura. Perangkat lunak SPSS 26 dipilih untuk digunakan dalam menganalisis informasi yang telah dikumpulkan. Hasil yang diperoleh mengungkapkan bahwa terdapat hubungan positif langsung yang signifikan antara sistem integritas dan akuntabilitas serta sistem pengendalian internal dan akuntabilitas. Namun, tidak terdapat hubungan langsung antara kepemimpinan dan akuntabilitas serta komitmen organisasi dan akuntabilitas. Penelitian ini bermanfaat bagi pemerintah, pengelola pariwisata dan masyarakat sekaligus memperluas literature mengenai peran sistem integritas, sistem pengendalian internal, kepemimpinan dan komitmen organisasi untuk meningkatkan akuntabiltas dalam pengelolaan pariwisata. The study sought to examine the impact of integrity system, internal control system, leadership and organizational commitment on accountability in mangrove ecotourism governance. The study was descriptive and quantitative in design, with a questionnaire functioning as the primary data collection tool. A purposive sample method was used to select 161 members of a tourism awareness group that manages mangrove tourism in 4 districts in Madura. SPSS 26 software was used to analyze the information collected. The results revealed a direct significant positive relationship between integrity system and accountability as well as internal control system and accountability.  However, the direct link between leadership and organizational commitment and accountability was not supported. This study is beneficial to the government, tourism management and the community, as well as expanding to the literature on the importance of integrity systems, internal control systems, leadership, and organizational commitment in increasing accountability in tourism management.
THE ROLE OF COUNSELING TEACHERS BASED ON THE CURRICULUM FREEDOM TO LEARN
Authors: Elfira Yenni , Mudjiran Mudjiran , Nirwana Herman , Karneli Yeni
Published: December 2022

This paper aims to determine the role of guidance and counseling teachers based on the “Merdeka Belajar” curriculum. This writing uses a qualitative research method which is a literature study. The concept of the curriculum "Merdeka Belajar" is the freedom of learning for BK teachers to be free to think, innovate, and be creative. The expected evaluation is that it can provide comfort in the learning process.
THE APPLICATION OF THE EXAMPLE NON EXAMPLE LEARNING MODEL TO THE STUDENTS' IPA LEARNING OUTCOMES FOR CLASS V
Authors: Sartika Leni , Satinem Yohana , Yuneti Armi
Published: December 2022

This study aims to determine the completion of science learning outcomes for fifth grade students of SD Negeri 2 Air Satan.The research method used is in the form of a quasi-experimental. The population is all fifth grade students of SD Negeri 2 Air Satan and the research sample is 14 students. Data was collected by using saturated sampling technique. The data collected through the test was then analyzed using the z test. Based on the results of data analysis with a confidence level = 5% and dk = 13, it shows that zcount = 2.89 and ztable = 1.64 (zcount ztable). Thus, it can be concluded that the science learning outcomes of fifth grade students of SD Negeri 2 Air Satan after the implementation of the non-example ecample learning model were significantly completed.
PRECODING ACTIVITIES TO IMPROVE STUDENT'S COMPUTATIONAL THINKING SKILLS
Authors: Dwijayani Ni Made
Published: December 2022

Coding means telling the computer to do something. In order to achieve this, the coder must understand what the problem is and what the best solution is. One of the things needed is pre-coding skills, including computational thinking skills. This study aims to improve students' computational thinking skills as a pre-coding ability. This classroom action research was conducted at a public elementary school in Dauh Puri, Denpasar, involving 20 first grade students. Data were collected based on observations in working on activity sheets and the results of student work on activity sheets. The data that has been collected was analyzed by quantitative descriptive. The results of data analysis showed that the students' computational thinking ability increased from pre-cycle activities, cycle I and cycle II respectively from 47.70 % to 65.05% and increased again to 81.50%. This increase in scores indicates that students' computational thinking skills can be improved by using student age-appropriate activity sheets as the basis for coding skills without having to involve a computer.
SMALL GROUP DISCUSION (SGD) LEARNING MODEL ON UNDERSTANDING THE CONCEPT OF THE NATURE OF LIGHT IN SD NEGERI 1 PUGUH
Authors: Sobirin M. , Suryani Ela
Published: December 2022

The purpose of this study was to improve the ability of students of SD Negeri 1 Pug uh in understanding the concept of class IV. This type of research is quantitative research using experimental research methods. The research subjects consisted of 48 fourth grade students of SD Negeri 1 Pug u h. data collection techniques through tests, observations and interviews. The results show that we will use the small group discussion method based on internships:1. The value of tcount ttable is 3.898 2009 and Sig. There is a difference in the average ability of students to understand concepts, it can be seen from the case where the score (both) is 0.001. If 0.05, H0 is rejected and Ha is accepted. 2. The small group discussion model can improve students' understanding of concepts represented by Fcount5040 with a significance of 0.035 Value for 0.05 and R2 = 0.182 = 18.2%. The conclusion of this study is a small group discussion model based on internships. There are differences between the use of the lab model and other models, which may affect your understanding of the concept of the nature of light.
THE APPLICATION OF THE TEAM ASSISTED INDIVIDUALIZATION (TAI) TYPE OF COOPERATIVE MODEL IN THE STUDENTS' IPA LEARNING IN CLASS V SD NEGERI 49 LUBUKLINGGAU
Authors: Nurhudha Nurhudha , Lokaria Eka , Asmara Yeni
Published: December 2022

This research by Nurhudha NPM 5018077 entitled the application of the Team Assisted Individualization (TAI) type cooperative learning model in science learning for fifth grade students of SD Negeri 49 Lubuklinggau with the main supervisor Yeni Asmara, M.pd and the assistant supervisor Eka Lokaria, M.pd, Si. The purpose of this study was to determine the completeness of science learning outcomes for fifth grade students of SD Negeri 49 Lubuklinggau after the cooperative model of Team Assisted Individualization (TAI) was applied. This type of research is a pre-experimental design research that was carried out without a comparison class with a pre-test and post-test group design. The population is the entire fifth grade of SD Negeri 49 Lubuklinggau for the academic year 2021/2022, which consists of 47 students consisting of two classes and as the sample is class V.A which is taken at random by 23 students. data collection was taken by test technique. The collected data were analyzed using t-test. based on the results of the t-test analysis at a significant level = 0.05, obtained t_count (20.11) t_table (1.717), so it can be concluded that the learning outcomes of science learning for fifth graders at SD Negeri 49 Lubuklinggau after the implementation of the Team Assisted Individualization cooperative model (TAI) significantly completed.
Development of e-LKPD Based on Real Problems in Theory Statistics Data Class VI SDN 101868 Sena Village
Authors: Wijaya Nadia Oktia Putri , Hidayat Hidayat
Published: December 2022

This research is motivated by the absence of appropriate teaching materials in the online learning process. Learning is only done through whatsapp groups because of the limited distance between teachers and students. This study aims to produce Electronic Student Worksheets (e-LKPD) based on Real Problems on data statistics material with sub-materials mean, median and mode to be applied in mathematics learning activities in elementary school and determine the feasibility of the developed e-LKPD. The subjects in this study were material experts and media experts. This type of research is research and development ( RD ) using ADDIE Analysis (Analysis), Design (Design), Development (Development), Implementation (Implementation), and Evaluation (Evaluation). However, this research only limits the stages to the ADD stage, namely Analysis, Design, and Development. The instrument used in this study was a validation sheet that was reviewed by material experts and media experts. The data analysis technique used in this study is a qualitative descriptive analysis technique. The results of this study are e-LKPD products based on Real Problems that fall into the "very valid" category in terms of the validation results of material expert studies with a percentage of 96.13% obtained from the content feasibility aspect 96.8%, the presentation feasibility aspect 97.2% , and linguistic aspects 94.4%. The validity of the e-LKPD from the media expert's review was stated to be very valid with a percentage of 95.2% obtained from the graphic aspect 95.4% and the software engineering aspect 95.0%. Based on the validation results from the material expert review and the media expert review, it can be concluded that the Real Problem-based e-LKPD that was developed is suitable for use in the mathematics learning process in elementary school.