International Scientific and Technical conference "The Progressive Technics, Technology and Engineering Education"最新文献

{"title":"Crack formation dynamics investigation of in a solid body under the surfactant influence","authors":"V. Kulinich, V. Vorobyov, L. Vorobyova, Iryna Peeva","doi":"10.20535/2409-7160.2021.xxii.239064","DOIUrl":"https://doi.org/10.20535/2409-7160.2021.xxii.239064","url":null,"abstract":"A method for estimating crack formation in a solid is proposed. The necessity the crack formation dynamics investigation is substantiated. Based on the Rebinder effect, a method for controlling the cracking nature using surfactants is proposed. The destruction by impact and explosion of samples pre-treated with water and surfactant is considered. It is established that pre-treatment of glass plates with surfactant solution shows a more uniform cracks distribution on impact, which may be the basis for the assumption that the surfactants use in blasting will significantly improve the crushing quality and reduce the oversized fractions yield. When examining the samples, which were saturated with surfactant solution, it is seen that the cracks system only increased after the explosion, small cracks appeared, which connect large ones. In the case of water use, we also see an increase in cracking, but it is not as intense and uniform as in the case of surfactants previous use. This result also confirms the fact that the pre-saturation of the medium with a surfactant solution before the pulse loads contributes to a more uniform crushing in the future and provides a basis for experiments on three-dimensional models in this direction.","PeriodicalId":104027,"journal":{"name":"International Scientific and Technical conference \"The Progressive Technics, Technology and Engineering Education\"","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114760651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Controlling turning contouring of shaped parts","authors":"Yu. F. Petrakov, J. Ezenduka","doi":"10.20535/2409-7160.2021.xxii.239130","DOIUrl":"https://doi.org/10.20535/2409-7160.2021.xxii.239130","url":null,"abstract":"Abstract. The machining of contoured shaped surfaces of parts with a circular cross-section is executed on CNC lathes using control programs. All known CAM systems offer canned cycles for such surfaces. In most cases, it is recommended to use G71, G72 and G73 canned cycles for roughing contouring. The aim of the study is to analyze the cutting processes in roughing and finishing and to assess their influence on the surface quality of the part. A modeling technique is proposed, which is based on the use of an original application soft that allows simulating all machining cycles with fixing the results in the form of oscillograms of changes in the depth of cut. Comparative analysis of the results allows you to choose the most acceptable machining cycle for a specific profile of the contour of the part. The developed program also makes it possible to obtain the predicted accuracy of machining along the entire contour, which may arise as a result of technological heredity. In addition, the array of data on cutting depth obtained during the simulation, which is the main disturbance of the process, allows one to design the law of control of the cutting mode, for example, on the feed, which will lead to the stabilization of the cutting process. \u0000 \u0000Анотація. Обробка контурних фасонних поверхонь деталей, що мають круглий поперечний переріз, виконується на токарних верстатах з ЧПУ по керуючим програмами. Всі відомі САМ-системи пропонують стандартні цикли для обробки таких поверхонь. У більшості випадків рекомендується застосовувати стандартні цикли чорнової контурної обробки G71, G72 і G73. Метою дослідження є аналіз процесів різання в чорновий і фінішної обробки і оцінка їх впливу на якість поверхні деталі. Порівняльний аналіз результатів дозволяє вибрати найбільш прийнятний цикл обробки для конкретного профілю контуру деталі. Розроблена програма також дозволяє отримати прогнозовану точність обробки по всьому контуру, яка може виникнути в результаті технологічної спадковості. Крім того, отриманий під час моделювання масив даних по глибині різання, який є головним обуренням процесу, дозволяє спроектувати закон управління режимом, наприклад, з подачі, які призведе до стабілізації процесу різання.","PeriodicalId":104027,"journal":{"name":"International Scientific and Technical conference \"The Progressive Technics, Technology and Engineering Education\"","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130888919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dominant science in the State target scientific and technical program of aviation industry development for 2021-2030","authors":"George Krivov","doi":"10.20535/2409-7160.2021.xxii.240731","DOIUrl":"https://doi.org/10.20535/2409-7160.2021.xxii.240731","url":null,"abstract":"In recent decades, JSC UkrNDIAT has traditionally performed the functions of co-developer and integrator of state programs for the development of the domestic aviation industry. Currently, the latest \"State Targeted Scientific and Technical Program for the Development of the Aviation Industry for 2021-2030\" (hereinafter - the Program-2030) has passed all necessary approvals and elaboration and is awaiting approval by the Cabinet of Ministers of Ukraine.","PeriodicalId":104027,"journal":{"name":"International Scientific and Technical conference \"The Progressive Technics, Technology and Engineering Education\"","volume":"276 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121076763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Planning of technical objects and systems","authors":"R. Zinko","doi":"10.20535/2409-7160.2021.xxii.240483","DOIUrl":"https://doi.org/10.20535/2409-7160.2021.xxii.240483","url":null,"abstract":"There are many types and methods of simulation, but among them special attention should be paid to methods based on the theory of heuristic self - organization. All algorithms of the method of group argumentation (MGVA) are characterized by structural commonality on the principle of self - organization, which require insignificant requirements for a priori information to search for an infinite number of options. The advantage of the algorithm of the method of group consideration of arguments in comparison with other algorithms of this class is the presence of possibilities of expansion of the vector of initial data and the device for elimination of collinearity - reception of orthogonalization. MGVA consists of two blocks: pre - processing of observations taking into account the system of selected reference functions and calculation of selection applicants. As a result of the algorithm, models capable of controlling the process taking into account the phenomena accompanying a certain process are obtained. Given the commonality of the main provisions of the theory of self - organization of artificial neural networks and MGVA, the network variables are added to the model as a variable Z. As a result, we obtain a neural network that describes the physical phenomena accompanying the process. This will significantly increase the efficiency and accuracy of process management.","PeriodicalId":104027,"journal":{"name":"International Scientific and Technical conference \"The Progressive Technics, Technology and Engineering Education\"","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132108951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Modified simplified algorithm of the method of group consideration of arguments in simulation processes","authors":"Nataliia Ravska, E. Korbut, Oleksiy Ivanovskyi, Radion Rodin, Valeria Parnenko, Oleksandr Zakovorotnyi, O. Klochko, Serhiy Sapon, Rolahd Loroch","doi":"10.20535/2409-7160.2021.xxii.240466","DOIUrl":"https://doi.org/10.20535/2409-7160.2021.xxii.240466","url":null,"abstract":"There are many types and methods of simulation, but among them special attention should be paid to methods based on the theory of heuristic self-organization. All algorithms of the method of group argumentation (MGVA) are characterized by structural commonality on the principle of self-organization, which require insignificant requirements for a priori information to search for an infinite number of options. The advantage of the algorithm of the method of group \u0000consideration of arguments in comparison with other algorithms of this class is the presence of possibilities of expansion of the vector of initial data and the device for elimination of collinearity - reception of orthogonalization. MGVA consists of two blocks: pre-processing of observations taking into account the system of selected reference functions and calculation of selection applicants. As a result of the algorithm, models capable of controlling the process taking into account the phenomena accompanying a certain process are obtained. Given the commonality of the main provisions of the theory of self-organization of artificial neural networks and MGVA, the network variables are added to the model as a variable Z. As a result, we obtain a neural network that describes the physical phenomena accompanying the process. This will significantly increase the efficiency and accuracy of process management.","PeriodicalId":104027,"journal":{"name":"International Scientific and Technical conference \"The Progressive Technics, Technology and Engineering Education\"","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132981278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Equations of motion of masses of the Chelomey pendulum model","authors":"N. Kryshchuk, A. Tsybenko, Y. Lavrenko, A. Oleshchuk A.","doi":"10.20535/2409-7160.2021.xxii.237976","DOIUrl":"https://doi.org/10.20535/2409-7160.2021.xxii.237976","url":null,"abstract":"Abstract. To verify the provisions stated by V.I. Bogomolov, B.I. Puzanov. and Linevich E.I. about the possibility of performing over-unit work by inertial forces, a closed mechanical system in the form of kinematically connected rotating masses is proposed for consideration. The research aimed, within the framework of Newtonian mechanics, to study the fulfillment of the laws of conservation of momentum, angular momentum and energy, to establish the possibility of performing work by inertial forces (centrifugal and Coriolis), to assess the change in kinetic parameters using the example of the Chelomey pendulum model. For the complex radial-circular motion of the masses of the Chelomey pendulum model, resolving equations are obtained. To verify the analytical calculations, algorithms for numerical solutions of the above problems have been developed and implemented in the MathCAD software package.","PeriodicalId":104027,"journal":{"name":"International Scientific and Technical conference \"The Progressive Technics, Technology and Engineering Education\"","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131114084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Modern processes and technologies of cold gas dynamic spraying of products agricultural equipment","authors":"N. Veselovska, R. ISKOVICH-LOTOTSKY","doi":"10.20535/2409-7160.2021.xxii.240481","DOIUrl":"https://doi.org/10.20535/2409-7160.2021.xxii.240481","url":null,"abstract":"Modern equipment of processing industry, animal husbandry, bioenergy complexes is used for processing, storage or transportation of aggressive substances. Functional coatings made of inert materials do not enter into any chemical reactions with food, processed products, livestock waste, acids and other aggressive media. There is a question of protection of the equipment of the processing industry, animal husbandry, bioenergy complexes from aggressive environments by application of processes of a cold gas-dynamic spraying. This is an urgent problem for the development of protective technologies and appropriate equipment for the implementation of the process of creating functional coatings","PeriodicalId":104027,"journal":{"name":"International Scientific and Technical conference \"The Progressive Technics, Technology and Engineering Education\"","volume":"116 1-2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131580195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development of the basic provisions of designing manipulators of mobile robots of special purpose, adapted for robots with dangerous objects","authors":"O. Yurchyshyn, Vasyl Strutinsky, O. Kravets","doi":"10.20535/2409-7160.2021.xxii.239152","DOIUrl":"https://doi.org/10.20535/2409-7160.2021.xxii.239152","url":null,"abstract":"The concept of development of the theory of design of mobile robots for special purposes has been developed. The influence of road conditions on the accuracy of manipulators has been established. Parameters of static and dynamic characteristics of mobile robots are substantiated by means of mathematical modeling. On this basis, Recommendations have been developed, which develop the main provisions of the theory of designing manipulators of mobile robots for special purposes, adapted to work with hazardous objects.","PeriodicalId":104027,"journal":{"name":"International Scientific and Technical conference \"The Progressive Technics, Technology and Engineering Education\"","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129223342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation and Analysis of ICT development index (IDI) for measuring ICT resources in Georgia","authors":"G. Popkhadze, P. Dašić, R. Turmanidze","doi":"10.20535/2409-7160.2021.xxii.242644","DOIUrl":"https://doi.org/10.20535/2409-7160.2021.xxii.242644","url":null,"abstract":"Abstract. Information and communication technologies (ICT) are a set of equipment (devices, systems, etc.) and techniques with associated software (software systems and software tools) that have been developed and used for more efficient communication, creation, distribution, storage and management of information. The IDI (ICT Development Index) index is most often used to measure ICT resources, which is defined as a composite index that combines 11 indicators (classified into 3 sub-indices: Access, Use and Skills). Data on values of IDI index has been retrieved from Measuring the Information Society Report (MISR), which since 2008 has been publishing by International Telecommunications Union (ITU). The IDI index for 2017 was determined for 176 countries of the world, with the first on the ranking list was Iceland with IDI2017=8.98 and the last Eritrea with IDI2017=0.96. The mean value of IDI index for 2017 was Avg=5.11, standard deviation was StD=2.22 and coefficient of variation was CoV=43.52. In this paper is given of analysis of IDI (ICT development index) for measuring ICT resources in Georgia. The data were approximated using a 3rd degree polynomial regression model (PRM3) with a correlation coefficient R=0.9964, determination coefficient R2=0.9928 and adjustment coefficient of determination is AdjR2=0.9885.","PeriodicalId":104027,"journal":{"name":"International Scientific and Technical conference \"The Progressive Technics, Technology and Engineering Education\"","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115392836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}