bluuebunny/crossref_metadata_2025_split huggingface dataset:
Reduction of time errors of the inertial measuring module by realization of its structural redundancy on the basis of three-axis micromechanical measuring instruments
Authors: Chernyak Mykola , Kolesnyk Vadym 
Published: December 2021

Redundant inertial measurement units (IMU) are used in security-critical operations since the advent of inertial technology. This approach allows you to create fault-tolerant systems that can detect and isolate defective sensors. Besides, experimental results have shown that redundant IMU is also an effective way to improve the performance of navigation systems. The question is only in the dependence of the accuracy of the unit on the number of sensors used and their mutual orientation.
This paper analyses the influence of spatial orientation on the accuracy of an IMU with a redundant configuration in the case of using triaxial orthogonal micromechanical measuring modules as atomic structural units.
The first part of this article concentrates on the geometry of the redundant IMU. Analysis of its metrological model of a redundant showed that, when dealing with orthogonal IMU triads, its resulting accuracy is independent of the relative orientation between them. This fact presents important practical implications since it demonstrates that using complex large-scale installation structures can be avoided. As a result, it is enough to place instead of an array of units, for example, only on one printed circuit board with any orientation. Also, it was found the relationship between the number of sensors employed and the accuracy improvement that enables us to ascertain the exact number of sensors needed to design a navigation system with a certain precision.
The second part of this article shows the experimental approval of theoretical conclusions during the testing of a prototype block based on three low-cost units (MPU6050) built according to a symmetric tetrahedron scheme.
The accuracy of the redundant block was experimentally evaluated based on the value of the errors in determining the modulus of gravity acceleration and a given angular velocity of a test rotary platform in a series of positions. The performance of the tested inertial measuring block was better on average in comparison with anyone module from this block that proved the possibility of using these approaches for MEMS sensors in high-accuracy application areas.
Experience in the formation of power elements of an aircraft wing using topological optimization approaches
Authors: Khrebtiievskyi Yaroslav , Sukhov Vitaliy , Kozei Yaroslav 
Published: December 2021

The process of designing aircraft structures, in most cases, involves finding solutions that will minimize weight, while maintaining the characteristics of strength and rigidity. To increase the mass efficiency of the aircraft glider, it is proposed to carry out topological optimization of structural and power elements at the initial stages of design with the help of modern software packages.
Modern wings of traditional forms are close to exhausting their aerodynamic and weight characteristics, so all over the world there is an intensive search for new technical solutions. This indicates the relevance of developing new methods that use high-precision mathematical modeling in the early stages of design.
Despite the significant number of publications on the topic of mass optimization, including aircraft structures, there are no quantitative indicators of the magnitude of the possible minimization of mass by topological optimization methods for the main structural and power elements of the aircraft wing.
The article describes the results of the analysis of the effectiveness of the use of topological optimization methods to minimize the mass of the main structural and power elements of the aircraft wing. For a typical, typesetting structural and power scheme of a light aircraft wing, the values of possible minimization of the glider mass were determined.
The use of topological optimization at the design stage of the power elements of the aircraft glider makes it possible to significantly reduce the mass of the main structural and power elements and allows to significantly reduce the takeoff mass of the aircraft. This approach using the results of optimization can be used to determine rational power schemes and predict the mass of the wings, taking into account the peculiarities of their geometric shapes and boundary conditions.
Comparison of aerodynamic characteristics of convertible models with single and coaxial schemes of propellers
Authors: Povarov Sergey 
Published: December 2021

The article describes the study of rotor-to-wing aerodynamic interaction for the wingtip-mounted coaxial rotors configuration of the tiltrotor aircraft.
The influence of the rotor slipstreams on lift-to-drag ratio characteristic was determined. Obtained results were compared with similar characteristics of the equivalent in thrust conventional single rotor slipstreams impact.
Using the computational aerodynamics methods (panel-vortex method) the flow around the tiltrotor model with the wingtip-mounted single and coaxial rotors has been simulated. A study of the basic model configuration with conventional single rotors, based on the technical characteristics of the AgustaWestland AW609 tiltrotor, was conducted. Further researches were conducted for a modified model where single rotors were replaced with equivalent in thrust coaxial rotors. The influence of the rotor slipstreams on the aerodynamic characteristics of the model for both directions of rotors rotation in coaxial combination is considered. Also, the dependence of the maximum lift-to-drag characteristic due to the coaxial rotor diameters change has been determined.
The results show that the coaxial rotor slipstreams-to-wing aerodynamic interaction effect is the similar to the effect of conventional single rotor, but less intensive. Comparison of the results showed that a tiltrotor equipped with wingtip-mounted single rotors has approximately 20% greater maximum lift-to-drag characteristic than one equipped with coaxial rotors with the same thrust. However, the use of coaxial rotors allows getting higher maximum speed, when conventional single rotors lose the efficiency significantly. Therefore, it is advisable to conduct further research for the possibility of using coaxial rotors for tiltrotor aircrafts.
The research results are presented in graphical form. The obtained data provides a basis for further studies of the described problem, and also will be useful for new tiltrotor design works.
Application of a systems approach during the external design of uninhabited towed underwater systems
Authors: Blintzov Volodymyr , Kutzenko P. 
Published: December 2021

The purpose of the work is to improve the methodology of external design of unmanned towed underwater systems on the basis of a systematic approach and to develop generalized indicators of their intended use.
This goal is achieved by applying a systematic methodology, set theory and SWOT analysis of research results.
As a result of system-based research, the structure of generalized performance indicators for the use of towed underwater defense systems has been determined as a methodological basis for the formation of a state order. It is established that the main generalized indicators it is advisable to attribute the set of probable threats to the state from the maritime direction, which have underwater origin, the set of methods of counteracting the probable threats, the set of indicators of the effectiveness of the use of a single towed submarine system for the implementation of the specified methods of counteraction underwater system and many technical and economic indicators that can form the basis of a state order spare.
The scientific results of the work include the first developed structure of generalized indicators of efficiency of use of a towed underwater system, which is obtained on the basis of a systematic approach methodology, components of these generalized performance indicators, which forms the theoretical basis for the development of methods for quantifying them Second external evaluation stage design of this type of marine equipment.The practical importance of the work is confirmed by the examples of practical use of some generalized indicators of the effectiveness of the use of a towed underwater system for monitoring marine waters, which make it possible to make an informed decision at the preliminary stage of formation of the state order.
Мовленнєва діяльність та її моделювання
Authors: Кисленко Юрій Іванович 
Published: December 2021

Робота присвячена питанням формування інформаційних природно-мовних технологій, які намагаються моделювати окремі прояви мовленнєвої поведінки людини – однієї з найскладніших форм її інтелектуальної діяльності. Аналізується сучасний стан справ у вказаному напрямі, окреслюються перспективи розвитку таких технологій на шляху інтеграції наукових досягнень у всіх помежованих напрямах.
Вирішення задачі багатокритеріальної оптимізації інформаційного навантаження при структуризації корпоративного центру даних
Authors: Стенін Олександр Африканович 
Published: December 2021

В статті розглядаються результати наукових досліджень по створенню алгоритмів параметричної та структурної оптимізації системи БД та сховища електронних даних Датацентру університету при заданих структурних обмеженнях, обумовлених відповідними вимогами до ризиків рівнів безпеки, яким відповідають зони і яруси в архітетурі прикладної мережі.Розроблено функціонали і моделі параметричної оптимізації та оригінальна модель структурної оптимізації для архітектури з централізованим зберіганням даних Датацентру у вигляді трьохрівневої процедури оптимізації з використанням розроблених авторами метрик систем обробки даних згідно їх ієрархії, а також наводиться приклад такої оптимізації між зонами та ярусами Датацентру.
Рішення рівняння коливань у випадку резонансу опромінюючого радіосигналу і кристалічної структури радіопоглинаючої композитної речовини
Authors: Пархомей Ігор Ростиславович 
Published: December 2021

Запропоновані в статті підходи можуть бути реалізовані на етапах отримання інформації і автоматичного супроводження РЛС сучасних літальних апаратів.
Математичний опис рівноваги двоногої локомоції
Authors: Ткач Михайло Мартинович 
Published: December 2021

У роботі проаналізовано поточний стан побудови антропоморфних крокуючих апаратів. Визначено області їх перспективного впровадження. Основою публікації є визначення критеріїв дотримання нестійкої рівноваги крокуючих апаратів за методом антропної симуляції. Зокрема, наводиться формалізоване вирішення задачі дотримання рівноваги на поверхнях другого роду за принципом спостереження переміщення проекції центру мас апарата на вказаній поверхні та коригування траєкторії цієї проекції згідно до умови дотримання нестійкої рівноваги. Математична модель, що отримана в роботі описує антропоморфну модель крокуючого апарата побудовану за антропним принципом, і на відміну від існуючих аналогів забезпечує дотримання рівноваги за рахунок застосування принципово-нового датчика натиску опори на поверхню, що дозволяє суттєво розширити область застосування даної моделі.
Аналіз нових перспектив технологій Java Enterprise для корпоративних застосувань з появою Polyglot JVM
Authors: Сирота Олена Петрівна 
Published: December 2021

Стаття присвячена аналізу архітектур серверних платформ для корпоративних застосувань на мові програмування Java з використанням технологій Java EE, Spring, Akka та актуальності використання цих архітектур при зміні мови програмування. Декілька останніх років популярним є питання, яка мова замінить Java. Цінність використання Java для корпоративних застосувань складається не в самій мові, а у створених архітектурах та існуючому стеку технологій, які ефективно вирішують задачу розробки високонавантажених корпоративних систем.Розглянуто еволюцію серверних платформ для корпоративних застосувань від CORBA до Java EE/Spring/AKKA, виділені основні складові цих платформ. Проаналізовано як за допомогою Polyglot JVM можливо зберегти ці архітектури та технології в секторі корпоративних застосувань та при цьому додати іновації, пов’язані з появою нових мов програмування.
THE EFFECT OF HYDROPONIC GARDENING ACTIVITIES AND PARENT INVOLVEMENT ON CHILDRENâ€™S NATURALISTIC INTELLIGENCE
Authors: Pratiwindya Dini 
Published: December 2021

Living in a big city such as Jakarta that is densely populated and crowded is challenging. The limited open land is an obstacle for schools in urban areas, especially in the Central Jakarta region, to stimulate children's naturalistic intelligence and sometimes become a forgotten thing. The rapid progress of technology and information makes children become electronic addiction and nature deficit disorder. The teacher feels it is difficult to carry out activities related to nature.
The results of preliminary observations show that the naturalistic intelligence of early childhood still has not received attention to be developed. The lack of teacher creativity to create and design activities to improve children's naturalistic intelligence is also another obstacle. Likewise, parent involvement in children's learning activities is still not optimal.
The aims of this study was to look at the effect of hydroponic gardening activities and parents involvement on the naturalistic intelligence of early childhood. This study included an ex post facto study using a quantitative survey research approach to TK B children. The results of the studyshowed that there were hydroponic gardening activities and parental involvement had a significant influence on naturalistic intelligence in early childhood. Urban farming activities such as hydroponic gardening need to beintroduced to kindergaten teachers to get around the limited land in schools. Hydroponic gardening activities can bedesigned so parents can be involved in learning with children and teachers with a pleasant atmosphere
Using DELPHI TECHNIQUE IN META-EVALUATING THE MATHEMATICS ASSESSMENT PRACTICES OF MATHEMATICS EDUCATORS
Authors: Oli Mario Colega 
Published: December 2021

While assessment practices are very important into the students’ learning and development, the processes of assessment may follow a logical progression from the selection and development of classroom assessment to the communication of the assessment results. Teachers may have similar assessment practices but they vary on the processes in conducting the assessment. Through Delphi Technique, evaluation experts assessed the extent to which mathematics assessment practices satisfy meta-evaluation criteria of utility, feasibility, propriety, accuracy and accountability employed by Mathematics Educators of pre-professional mathematics teachers in some select State Universities in the Philippines. The assessment practices of the Mathematics Educators were meta-evaluated with high ratings on utility, feasibility, propriety, and accuracy, while only moderate in accountability. Assessments performed in the largest state university have better overall utility, accuracy and accountability with overall feasibility and propriety about the same level across the four state universities. Hence, the respondents should develop assessment strategies for students with different learning abilites, continuesly improve their technqiue in assessing students’ learning and have sound judgement not only through the students’ quantitative scores but the impact of feedback about their performance for future use.
DEVELOPMENT OF BIOLOGY TEST OF CREATIVE THINKING-TORRANCE TEST (BTCT-TT) ASSESSMENT TO IMPROVE STUDENTS’ CREATIVE THINKING SKILLS
Authors: Radiah  
Published: December 2021

This research aims to developing the Biology Test of Creative Thunking-Torrance Test (BTCT-TT) assessment in studying Biology for high school student in grade 11. This type of research is Research& Development (R & D) with 4D (Define, Design, Develop, and Disseminate). This study have develodped 37 items that are valid and reliabel. BTCT-TT was tested on 150 high school students, the results showed the average score of students’ creative thinking skills was significantly releted to students who received BTCT-TT assessment and Conventional assessment.

Keywords: Biology Test of Creative Thinking-Torrance Test (BTCT-TT), Creative Thinking
THE ACADEMIC INTEGRITY OF BUDDHIST COLLEGE STUDENTS IN INDONESIA
Authors: Asdar Ahsanul Khair , Tri Amiro  
Published: December 2021

This study was a descriptive research with the quantitative approach which aimed to describe the academic integrity of the Buddhist college students in Indonesia. This study used 224 students who selected using proportionate cluster sampling. The data were collected using the academic integrity questionnaire with five dimensions, namely honesty, trust, fairness, respect, and responsibility. The questionnaire consisted of 39 items with a Likert modification scale (four options). The result of this study showed that the academic integrity of Buddhist College students in Indonesia was supported by the fairness dimension. The academic integrity both of male and female college students were supported by the fairness dimension, and neither was based on the department, the academic integrity both of Dharmacarya and Dharmaduta students were supported by the fairness dimension. Generally, the academic integrity of Buddhist college students in Indonesia was supported by the fairness dimension which included fairness form lecturers, fairness in expressing opinions, and transparency of the values in the lecture process. Nevertheless, both the honesty and the trust dimension need to be considered because they got a lower score than the other dimensions.
IMPLEMENTATION OF SELF-ASSESSMENT TO KNOW THE LEVEL OF STUDENT'S LEARNING MOTIVATION IN FOLLOWING ONLINE LEARNING
Authors: Fadilah Maharani  
Published: December 2021

ABSTRACT
This study aims to determine the level of student learning motivation by applying self-assessment in participating in online learning, and to provide an objective description of how the student's learning motivation is. This research uses a quantitative approach with a survey method. The research was conducted at Bengkulu State Islamic Institute involving 40 students in the Natural Science Tadris study program. Data collection techniques in this study used survey techniques with a Likert scale. The survey is made on google form so that it is easily accessible to students. The data analysis technique used in this study is to calculate the percentage of data from each indicator, then interpret the data presentation score and analyze each indicator in depth. The results of this study indicate that the learning motivation of students of the Tadris Study Program of Natural Science of the Agam Islam Negeri Bengkuli Institute is good, it is obtained from the percentage score of the motivation which amounts to 78.83%. This research is expected to be an evaluation of various parties in organizing online learning in tertiary institutions, especially those involving motivation.
Keywords: self assessment, motivation, online learning
NERACA KETERSEDIAAN BERAS DI KALIMANTAN TIMUR SEBAGAI CALON IBUKOTA BARU INDONESIA DENGAN PENDEKATAN SISTEM DINAMIK
Authors: Adi Aswan , Rachmina Dwi , Krisnamurthi Y Bayu 
Published: December 2021

<p class="A04-abstrak3">Rice is the main and strategic commodity in East Kalimantan Province as primary food source. Rice production in this province was relatively low, around 66.57% of its consumption need, or at 33.43% deficit in 2019. This deficit will continue to increase if East Kalimantan becomes the country's capital city in 2025 due to arrival of new residents. Therefore, a proper policy to improve the balance of rice production and consumption need should be designed. This study aimed to develop rice availability balance model and formulate policy recommendation to fullfil the rice needs in the country's capital city candidate. The method used was dynamic system approach as rice balance availability determined by supply and demand sub-system. The study results showed that the model developed could describe the rice availability balance in East Kalimantan and had good validity level. Based on the simulation results on the existing condition in 2025, the rice availability in East Kalimantan as the country's capital city was only 44.80% of the consumption need. A recommended policy scenario to improve the rice balance in this provionce is the combination of policies on production and consumption sides, namely minimal rice planting index at 1.9 (irrigation) and 1.2 (without irrigation), minimum rice yield at 4.67 tons per ha (irrigation) and 3.50 ton per ha (without irrigation), open up new rice field at 1,000 ha, no rice field conversion, conversion rate from unhusk paddy to rice yield at 64%, and maximum per capita rice consumption at 80 kg/year.</p>
Hubungan Kepemilikan Aset Produksi terhadap Keputusan Petani untuk Menggunakan Varietas Unggul Baru Pepaya Merah Delima (The Association of Production Assets on Farmer Selection of A New Variety, Merah Delima Papaya)
Authors: Sayekti Apri Laila , Setiani Rima , Hayati Nur Qomariah , Nugrahapsari Rizka Amalia , Prabawati Sulusi , Maharina Khoirun Enisa , Mulyono Djoko , Puspitasari NFN , Waryat NFN , Yufdy Muhammad Prama 
Published: December 2021

<p>Keputusan untuk mengadopsi varietas atau teknologi baru, terutama bagi petani skala kecil, sangat dipengaruhi oleh kepemilikan sumber daya. Tujuan penelitian ini adalah mengevaluasi pengaruh kepemilikan aset produksi petani terhadap keputusan petani menggunakan Varietas Unggul Baru (VUB) pepaya Merah Delima. Survei dilaksanakan di beberapa sentra produksi pepaya (Sumatra Barat, Riau, Jawa Timur, Jawa Tengah, dan Jawa Barat) melibatkan 46 responden terpilih yang terdiri atas 17 petani pengguna pepaya Merah Delima dan 29 petani penanam pepaya varietas lainnya. Faktor-faktor determinan penggunaan varietas dianalisis dengan menggunakan model regresi Logit dan Tobit. Ketersediaan sarana dan prasarana produksi berpengaruh signifikan terhadap keputusan petani menggunakan VUB pepaya Merah Delima. Pengaruh sarana dan prasarana produksi terhadap probabilitas peningkatan penggunaan varietas lebih dominan dibanding pengaruh faktor-faktor lainnya. Oleh karena itu, program pengembangan VUB pepaya Merah Delima lebih lanjut disarankan perlu didukung dengan bantuan penyediaan alat semprot (sprayer) bertenaga mesin atau ditargetkan di lokasi-lokasi yang tidak terlalu bermasalah dengan tata kelola air.</p><p><strong>Keywords</strong></p><p>Adopsi; Pepaya Merah Delima; Varietas Unggul Baru</p><p><strong>Abstract</strong></p><p>The decision to adopt a new variety or technology, especially for small-scale farmers, is heavily influenced by resource ownership. The purpose of this study was to evaluate the effect of farmer production asset ownership on farmers’ decisions to use Merah Delima papaya high yielding variety (HYV). The survey was conducted in several papaya production centers (West Sumatra, Riau, East Java, Central Java, and West Java) involving 46 selected respondents consisting of 17 farmers using Merah Delima papaya and 29 farmers growing other papaya cultivars. The determinants of farmer decision were analyzed using the Logit and Tobit regression models. The results show that the availability of production facilities and infrastructure has significant effects on farmers’ decisions to use Merah Delima papaya HYV. The influence of production facilities and infrastructure on the probability of increasing the usage of Merah Delima papaya is more dominant than the influence of other factors. Therefore, it is recommended that further Merah Delima papaya HYV development program needs to be supported by the assistance of providing farmers with machine-powered sprayers or prioritized at locations that have few water/irrigation management problems.</p>