bluuebunny/crossref_metadata_2025_split huggingface dataset:
Tracking the potential of vocational high school students leading to eighteen strategic creative industry sub-sectors in Indonesia
Authors: Setiadi BR , Suparmin  , Priyanto S , Roniwijaya P 
Published: June 2019

Abstract
This study aims to trace the interest of Vocational High School (VHS) students to meet the sub-sectors of strategic creative industry in Indonesia which is divided into eighteen sub-sectors such as animation, architecture, design, photography, music, crafts, culinary, fashion, research and development, publishing, film, advertising, interactive games, performing arts, visual arts, information technology, television, radio and video. The study will also track the reasons why students choose these sub-sectors with three priority-scale options.The research method used is an exploratory survey with the dominant approach is quantitative. This study was conducted in 7 VHS in DIY-Indonesia with a sample size of 350 people. The subjects of this study are students with a background of educational concentration is technology and engineering. The technique of collecting data using questionnaire of specialization. Data analysis techniques used descriptive statistics that aims to determine quantitatively the percentage of student’s interest in sub-sub creative industries.Quite unique findings are generated in this study because researchers want to explore the other side of the engineering students who in fact work by relying on hard skill instead of developing their soft skill. The results of this study indicate that the dominance of student interest to eighteen creative industry sub-sectors exists in the sectors of music, photography, and design. While the sub-sector that they are not interested in the fashion sector. Other tracking results are the reason students choose the three priority sectors of interest are because their hobbies are relevant to the sub-sectors of the creative industry of their choice. This study will have implications for schools to attend the potential of other gifted students in the creative industries. If this can be effectively explored, employment opportunities for engineering students will become wider and foster an entrepreneurial spirit so they can open new jobs for others in need.
The effects of a teaching factory learning model on students’ competency: an empirical study at the department of automotive engineering education of Universitas Negeri Yogyakarta
Authors: Sulistyo B , Siswanto I , Tawardjono  , Widodo N 
Published: June 2019

Abstract
Vocational education is expected to serve the function of preparing competent and skilled graduates to meet the needs of industries. Therefore, this study aimed to determine the effects of implementing a teaching factory learning model integrated into the subject of Vehicle Body Painting on the students’ competency. Using the research design of an experimental approach, this study involved two research groups that consisted of Automotive Engineering students following the subject of Vehicle Body Painting. The control and the experimental groups were treated respectively with a training based learning model and a teaching factory learning model. Indicators to be observed were the results of the competency test and the feasibility of the students’ work. The data were collected through a competency test and documentation. The findings of this study suggested that the teaching factory learning model had significant effects on the students’ competency (83.82) compared to the students treated with the training-based learning model (77.87).
Developing project based learning module of CNC milling mechanical technique on mechanical engineering department vocational high schools in Surakarta
Authors: Nugroho T U , Sukardi T 
Published: June 2019

Abstract
This development research that use ADDIE model with stages: (1) Analysis, (2) Design, (3) Development, (4) Implementation, and (5) Evaluation. The object of research was students of XII class on Vocational High Schools in Surakarta. Internal trials included validation material expert and media expert, while external trials included teachers and students responses to use module. The trials data was collected through questionnaire, observation, documentation, and interview which were analyzed qualitatively and quantitatively. The research result: (1) The CNC learning module developed is suitable for CNC learning, students can learn independently and thoroughly, includes description and CNC learning goals, adaptived to development of science and technology, students easy to read and understand; (2) CNC learning module developed were declared very feasible by material expert feasibility percentage of 83.2% and media expert feasibility percentage of 84.04%, the teachers response to the module is 95.6% and the students response is 85.8% which module is very suitable to be used; (3) increasing of students learning outcome after using the module is 17.09% and student learning completeness reaches 100%. The conclusion of research results is module very feasible and effective to be used for CNC learning at Vocational High Schools in Surakarta.
Development of a mathematical model for the numerical study of a thermal control system fluid circuit
Authors: Tanasienko F V , Shevshenko Yu N , Melkozerov M G , Kishkin A A , Delkov A V , Khodenkova E V 
Published: June 2019

Abstract
This paper considers the development of a mathematical model for spacecraft thermal control fluid circuit systems. The need to take into account the complex mode of heat exchange in a fluid circuit model reflects relevance of the paper. Basic equations of heat exchange model in the circuit are given. A procedure for the numerical solution is described. Obtained calculation results are presented and analyzed. The developed model allows numerical studies to assess an impact on characteristics of the circuit of various design and operating parameters.
Development of automatic control system of satellite signal parameters with TDMA technology
Authors: Murigin A V , Mikishev G S , Kudabayev B T , Anarov M Zh , Kutsev M A 
Published: June 2019

Abstract
The control of the frequency spectrum state under operating conditions of the satellite networks that include plenty of satellite earth stations is one of the main functions of ground segment of space communication systems. In this case, the control system of the satellite network must measure the parameters of separate network segments or separate earth station if it is necessary. The necessity for selective measurements is relevant in the following cases: the power level, noise level or spurious radiation level of any earth station is significantly higher than the nominal one. The overview of some existing monitoring systems that makes automatic control of the frequency spectrum is presented. The analysis of the problem arisen during the functioning of satellite TDMA networks that involve plenty of earth stations is presented. Based on the analysis, it was concluded that the existing control systems of the satellite networks do not allow measuring high frequency parameters of separate earth stations under TDMA technology. The analysis of the problem of measuring the channels parameters of satellite network functioned by using the TDMA technology is presented. The differences between computations of channel power under “single channel per carrier” technology and the TDMA technology are presented. The authors proposed an automatic control system of high-frequency (HF) parameters of satellite signals, functioning by using the time-division multiple access technology. The block diagram of this system and description of its operation are presented. The conditions for implementing this automatic control system are defined. The time chart and its characteristics were calculated during measurements executing by this automatic control system. The method of match making between the received signals through the satellite segment and the identifiers of earth stations of the satellite network is presented.
Improving the efficiency of information processing based on the entropy-parametric approach
Authors: Polosin V G , Bezborodova O E , Bodin O N , Trofimov A A , Ubiennykh A G 
Published: June 2019

Abstract
The paper contains an analysis of the task of establishing quantitative information reflecting the properties of the observed object. The authors of the article showed that in order to operate, both controls instruments and measuring instruments, it is necessary to form a “Euclidean measure” for the property of the object at the current time. The article describes an independent method for estimating the uncertainty of the state of an object by calculating the entropy of its observed properties. In particular, it is shown that the entropy potential is proportional to the measure of Euclidean space. A description is given of the method for determining the shape of an approximating function for sampling results based on a comparison of the difference between Euclidean measures and measures of the information space formed for entropy potential.
The study of cracks of X70 steel sample selected from the focal zone of destruction
Authors: Nasibullina O A , Tyusenkov A S 
Published: June 2019

Abstract
The fuel and energy complex is the basis for the development of all sectors of the Russian economy. Its most important element is trunk pipeline system for the transport of gas, oil and their products. The main gas pipelines with cathodic protection, are exposed to the impact of ground electrolytes and tensile stresses. As a result, corrosion cracks may appear on the pipe surface. One of the most dangerous types of destruction of gas pipelines is stress-crack corrosion (SCC) of the outside cathode-protected metal surface of the pipes. There are no efficient methods for SCC control at present (the only method for SCC control is application of anti-corrosive insulation). One of the methods for detection of stress-crack corrosion is the stress test, however, its application is justified only for single cracks. There is a system of cracks in practice. Analysis of the focal zone of the collapsed gas pipeline with multiple cracks was carried out in this research. Studies were conducted on a sample of X70 steel made in Japan, selected from the focal zone of destruction of the West Siberia gas pipeline. The sample has 4 cracks typical for SCC crack. A metallographic analysis of the X70 steel and the calculation of the stress-strain condition of the metal were carried out. On the basis of the obtained results, it is proved that tested cracks have a corrosion-mechanical origin typical for stress-crack corrosion.
Mathematical model for the study and prediction of a porous body thermal state
Authors: Ravshanov N , Shadmanov I U , Kravets O Ja 
Published: June 2019

Abstract
The paper deals with a mathematical model of thermal state of a porous body which is in form of a rectangular parallelepiped. The internal heat generation and the heat exchange between the surfaces of the porous body and surrounding medium were taken into account in the model developing process. In order to solve the problem, there was developed a modification of the finite-difference method based on the method of lines. Also, using the least squares method, there was proposed a sinusoidal formula for describing the annual variation of ambient temperature.
Methods and means of measuring information exchange among the spacecraft on the laser connection line
Authors: Kartsan I N , Malanina Yu N , Zhukov A O , Tsarev R Yu , Efremova S V 
Published: June 2019

Abstract
The article deals with the methods and means of using the inter-satellite measurements on the laser communication lines for high-precision temporary support of the GLONASS system spacecrafts. There is given the justification of the principles of measuring and exchange information among the spacecrafts via the laser navigation and communication lines for mutual synchronization of the on-board time scales of the GLONASS system spacecrafts.
Composite electrochemical nickel coatings with dispersed particles
Authors: Khaibieva V Sh , Fomina R E , Saifullin R S , Mingazova G G 
Published: June 2019

Abstract
The composition of electrochemical coatings of nickel-zirconium dioxide, the peculiarities of their morphology were investigated. It was shown that depending on the dispersion and the method of preparation (plasma-chemical method and deposition method) of the dispersed phase, the content of inclusions in coatings varies from 0.2 to 1%, in the case of the plasma-chemical method and from 0.3 to 2%, in the case of particles obtained by the deposition method. Nickel-zirconium coatings are characterized by increased microhardness, corrosion resistance, and wear resistance compared to control precipitates by 1.4; 2.4 and 1.2 times respectively.
Prediction model for the pressing process in an innovative forming joints technology for woodworking
Authors: Rubleva O A , Gorokhovsky A G 
Published: June 2019

Abstract
To improve the efficiency of the joints formation, a new method of pressing in the longitudinal direction is proposed. This paper presents a predictive model for the pressing force depending on the state of the wood and the parameters of the pressed mortise. The most significant factors are the width of the mortise and the moisture content of the wood. Interestingly, the depth of the mortise formation is a less significant factor, which means that the pressing technology will allow to form a long glue line and accordingly high joint strength due to sufficient profile length. In the test range of factors, the best results in terms of energy costs are shown by a minimum mortise width of 4 mm. Further research should be devoted to the study of the formation of small width mortises (4 mm or less) and the investigation of their quality.
Materials with mechanoluminescent properties and their use for registration of impact
Authors: Tatmyshevskiy K V 
Published: June 2019

Abstract
In the present article, the questions of using the materials with mechanoluminescent properties as impact indicators are analyzed. The class of substances that exhibit mechanoluminescence (ML) the most intensively is revealed. Various designs of ML transducers are considered. The mechanism of ML radiation, which is based on the interaction between the mobile charged dislocations with the luminescence centers, formed by the activator atoms, are considered. Space charge of the moving dislocations causes tunneling of electrons to excited state with the subsequent radiating transitions. The problem of calculation of elasto-plastic strain of the transducer was solved by means of the microdynamic theory of plasticity. Equation of the intra center ML kinetics is given, with separate calculation results. The major features of the output optical signals of ML transducers on impact is analyzed.
Hierarchical scheduling problem in the field of manufacturing operational planning
Authors: Semenkina O E , Popov E A , Ryzhikov I S 
Published: June 2019

AbstractThe paper considers a job shop scheduling problem similar to those taking place in many fields such as project management, educational sphere and operational planning of manufacturing process. The considered problem, in real life, has high dimensionality and it is quite hard to find even a feasible solution, therefore, making necessary a problem-oriented heuristic for solving it in reasonable time. Manufacturing process stability requires special care about restriction and, at the same time, operational planning requires finding solutions quickly. In this paper, hierarchical problem structure is proposed where the top-level problem is the traveling salesman problem and the nested resource-constrained project scheduling problem is replaced by the simulation model. This paper considers combinatorial genetic algorithm (GA) and Lin-Kernigan heuristic (LKH). The performance comparison is fulfilled and competitive results are demonstrated.
Problems and features of data structure modeling in distributed Web-oriented production systems
Authors: Danilov A D , Kravets O Ja , Terekhov D V 
Published: June 2019

Abstract
The goal is to develop a system model necessary for structuring the subject area, decomposing the functions performed by a web application; formalize the design methods, determine the general method of synthesizing Internet-oriented information systems. The main part of the development is the creation of a model, which components will be the objects of the domain, while attention should be paid to balance - the flexibility of the model and the development costs, taking into account the possibility of reuse. Too flexible components will have too many properties and will be difficult to customize adjust. On the contrary, models that implement too particular situation will be useless in terms of reuse, and, perhaps, the cost of its implementation will not make sense. For a more complete understanding of the functions and requirements for data processing, it is necessary to identify the main objects of the domain, information flows, logical connections, as well as rules and restrictions when working with data. The result of building a model should be a DBMS-independent data schema (metadata) corresponding to the internal data structure of the Web application, focused on the implementation of the required functions when interfacing with the user.
Digital transformation of bicycle rental maintenance process
Authors: Galyom V Yu , Shchenikov Ya A 
Published: June 2019

Abstract
The payback of urban cycling has received considerable attention in many countries. One of the reasons for the loss of bicycle rental companies is the cost of maintaining rental bicycle transport caused by vandalism and poor bicycle handling. The article describes a fuzzy inference system, which, based on information obtained from an accelerometer installed on a bicycle, allows making a forecast about its technical condition. Each bike is assigned a rating, in accordance with bicycle rental maintenance process should be carried out. This rating is also used when cyclist choose a bicycle at the rental station. At the same time, a bicycle with an unsatisfactory technical condition is not issued to a cyclist. A conceptual model of digital transformation of a company providing bicycle rental services is presented.
Simulation of thin-sheet metal blanking and punching by elastic mediums
Authors: Semenov I E , Povorov S V 
Published: June 2019

Abstract
The paper describes the processes of thin-sheet workpiece blanking/punching using an elastic tool in an open and closed container. Finite element models are constructed, which describe the process of separation of the workpiece by an elastic workplace tool. A comparative analysis of the geometrical dimensions of the workpieces obtained as a result of theoretical and experimental studies was carried out.
Development of an automated fire extinguishing system for the mine of the third Solikamsk potash-mine control
Authors: Kostarev S N , Gladkov A N , Goryachev S N 
Published: June 2019

Abstract
The statistics of accidents at the enterprise “Uralkali” is analyzed. The object of the study was the fourth mine of the third Solikamsk potash mine. SKRU-3 is one of three mines in Solikamsk, where the underground method at a depth of 100 to 500 meters is the extraction of potassium and magnesium salts. A fatal accident was identified, as a result of smoke and fire at the fourth mine at a depth of 363 m, 9 people died – the builders of the contracting organization. The contract for the construction of the trunk was executed by the employees of FSUE Construction Management No. 30 from Bashkortostan. When developing a fire extinguishing system, a functional scheme for controlling a drainage pump and a high-pressure fire pump was constructed. Logical equations and relay-contact circuit equipment are developed. The design part proposes the use of software and hardware based on the Omron microcontroller.
Study of defects of the surface of rolls of rolling bearings under grinding
Authors: Nosov Nicolay , Bobrovskij Sergej , Levitskih Olesja , Khaimovich Alexander , Kanatnikov Nikita , Metel Alexander , Zaides Semen 
Published: June 2019

Abstract
The article proposes a new approach to the method of assessing the surface defects of the raceway of instrument bearings after profile grinding. The surface defects of the bearing raceways were studied on an optical-electronic complex on the basis of calculating the parameters of the autocorrelation function obtained as a result of computer processing of the video image of the surface. The purpose of this study is improving the profile grinding technology of bearings through the construction of an optical-electronic information-measuring system for monitoring the defects of raceways.
Improving the process of designing route maps in production
Authors: Karpaev S A 
Published: June 2019

Abstract
The paper describes the method of designing route maps, taking into account the capabilities of the production means, which will improve the efficiency of the technological processes being developed through the planning of resources. The paper presents the data used in the design of the route, as well as the model of interaction with the archive of technological processes. The basic requirements for the implementation of the proposed model at a high-tech instrument-making enterprise are described. The feasibility of using this approach in the framework of the integration of the computer-aided design system information flows for technological preparation of production and manufacturing automation systems is shown. An example of the route formation using the tools developed in the research process.
Simulation of a copper micro-wire drawing for electronics
Authors: Volkov A V , Sokolova I D , Korzhavyi A P , Beckel L S 
Published: June 2019

Abstract
The paper discusses the application of the mathematical model of repeated drawing with the sliding of a micro-wire made of copper, intended for the installation of intracircuit electrical connections of microcircuits. Creating production methods and methods for producing microwires based on copper is a complex scientific and technical challenge: only individual firms can produce material that fully meets the needs of the microelectronic industry [1-3]. Therefore, it is necessary to work on the creation of a micro alloyed alloy with rational deformation parameters and providing protection against corrosion damage during micro welding, sealing and operation of devices. The algorithm of the mathematical model applied in the design of drawing transitions is presented. Based on the analysis of the model, recommendations were made for its further improvement in order to increase the reliability of the drawing process with the involvement of process stability criteria. In modelling the technological process of drawing copper, an algorithm developed by the authors for drawing aluminium microwire was used, taking into account the changes needed to make a different material [4–8].