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    Wyświetlanie 1-6 z 6
    Tytuł:
    A simulation study of Industry 4.0 factories based on the ontology on flexibility with using FlexSim® software
    Autorzy:
    Luściński, Sławomir
    Ivanov, Vitalii
    Powiązania:
    https://bibliotekanauki.pl/articles/406882.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Industry 4.0
    Simulation Modelling
    Flexible Manufacturing System
    FlexSim
    Opis:
    The main aim of the article is to develop a simulation model of flexible manufacturing system with applying the ontology on flexibility. Designing manufacturing systems matching both production and market requirements becomes more and more challenging due to the variability of demand for a large number of products made in many variants and short lead times. Manufacturing flexibility is widely recognised as a proven solution to achieve and maintain both the strategical and operational goals of the companies exposed to global competition. Generic simulation model of flexible manufacturing system was developed using FlexSim® 3D software, then the example data were used to demonstrate the developed model applicability. “The Ontology on Flexibility” was applied for evaluation of achieved flexibility of manufacturing system.
    Źródło:
    Management and Production Engineering Review; 2020, 11, 3; 74-83
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ensuring economic efficiency of flexible fixtures in multiproduct manufacturing
    Autorzy:
    Ivanov, Vitalii.
    Liaposhchenko, Oleksandr
    Denysenko, Yuliia
    Pavlenko, Ivan
    Powiązania:
    https://bibliotekanauki.pl/articles/1818972.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    flexible manufacturing
    fixture design
    multiaxis machining
    cost of machining
    elastyczna produkcja
    projekt oprawy
    obróbka skrawaniem
    koszty obróbki
    Opis:
    The first-priority directions for modern engineering, especially for multiproduct manufacturing, include the intensification of manufacturing processes, increasing the efficiency of technological equipment, and reducing the time required to implement technological solutions. Fixture design is a complicated and time-consuming process that requires considering many parameters of the closed-loop technological system “machine tool — fixture — cutting tool — workpiece”. One machined part can have several fixture layouts corresponding to all specified parameters; however, their effectiveness differs depending on production conditions. Search for an optimal fixture for specified production conditions is an essential stage of production planning. It has been proved that the efficiency of a manufacturing process should be assessed using single economic indicator — the cost of machining, which considers the costs of time, the total costs for process realisation, and a batch of parts. The paper aims to substantiate the efficiency of manufacturing processes in machining complex parts using flexible fixtures by developing a mathematical model that considers the cost of time, the cost of implementing the manufacturing process, and the batch value of parts production. This approach estimates the efficiency of manufacturing processes for machining complex parts and choosing the flexible fixture layout that corresponds to specific production conditions. It was proved that flexible fixtures could be effectively used for machining small batches of parts with frequent readjustments to new workpieces and short-term machining. A tendency has been established that the higher number of nomenclature of parts contributes to expanding the scope of the effective use of flexible fixtures.
    Źródło:
    Engineering Management in Production and Services; 2021, 13, 1; 53--62
    2543-6597
    2543-912X
    Pojawia się w:
    Engineering Management in Production and Services
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An integrated approach for improving tool provisioning efficiency
    Autorzy:
    Denysenko, Yuliia
    Ivanov, Vitalii
    Luscinski, Slawomir
    Zaloga, Viliam
    Powiązania:
    https://bibliotekanauki.pl/articles/1841403.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    tool provisioning
    information system
    decision making
    optimization
    sustainable development
    Opis:
    The specificity of tool provisioning is conditioned using tooling, the quantity of which exceeds the nomenclature of the manufactured goods considerably. Therefore, for modern enterprises, first-priority issues are harmonizing the processes of tool provisioning systems, increasing the level of the reaction of this system to changes, obtaining operational control over the production system, and, thus, improving the efficiency of the production process. In this paper, a mathematical model of decision-making based on determining the optimal strategy for the process flow was proposed to improve the efficiency of the information system for quality management of tool provisioning. It is suggested to use the sustainable development factor of information system for quality management of tool provisioning to make decisions about the path of the tooling process, which considers the requirements of international standards for management systems (ISO 9001, ISO 45001, etc.). This model is based on the application of graph optimization theory, fuzzy logic, and Markov chains. The use of this model is universal and will increase the validity of operational management decisions, increase productivity, reduce resource dependency, and, therefore, reduce the costs of tool provisioning, which directly affects the cost of production and competitiveness of the enterprise as a whole.
    Źródło:
    Management and Production Engineering Review; 2020, 11, 4; 4-12
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Technology for complex parts machining in multiproduct manufacturing
    Autorzy:
    Ivanov, Vitalii
    Dehtiarov, Ivan
    Pavlenko, Ivan
    Kosov, Illia
    Kosov, Mykyta
    Powiązania:
    https://bibliotekanauki.pl/articles/407266.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    classification
    lever
    fork
    connecting rod
    manufacturing process
    fixture
    labor content
    setup time
    Opis:
    At present, the speed of production and its complexity increases with each passing year due to the shorter product life cycle and competition in the global market. This trend is also observed in the machine-building industry, therefore, in order to ensure the competitiveness of enterprises and reduce the cost of production, it is necessary to intensify production. This is especially true in the machining of complex parts that require a great number of setups, and technological equipment. The problem-oriented analysis of complex parts was carried out, the parts classification was structured and developed according to the design and technological features. This made it possible to offer advanced manufacturing processes for complex parts like levers, forks, and connecting rods. The flexible fixtures for specified complex parts were developed. The effectiveness of the proposed manufacturing processes, as compared with the typical ones, provides significant improvement in the production.
    Źródło:
    Management and Production Engineering Review; 2019, 10, 2; 25--36
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ensuring the economic efficiency of enterprises by multi-criteria selection of the optimal manufacturing process
    Autorzy:
    Kotliar, Alexey
    Basova, Yevheniia
    Ivanov, Vitalii
    Murzabulatova, Olena
    Vasyltsova, Svitlana
    Litvynenko, Mariia
    Zinchenko, Olena
    Powiązania:
    https://bibliotekanauki.pl/articles/406764.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    prismatic part
    multiproduct manufacturing
    machining
    optimality criteria
    optimization
    shaping intensification
    profit intensity
    Opis:
    Technological assurance and improvement of the economic efficiency of production are the first-priority issues for the modern manufacturing engineering area. It is possible to achieve a higher value of economic efficiency in multiproduct manufacturing by multicriteria optimization. A set of optimality criteria based on technological and economic indicators was defined with the aim of selecting the optimal manufacturing process. Competitive variants and a system of optimization were developed and investigated. A comparative analysis of the optimality criteria and their influence on the choice of optimal machining processes was carried out. It was determined that the batch of parts made an impact on the selection of the manufacturing process.
    Źródło:
    Management and Production Engineering Review; 2020, 11, 1; 52-61
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Crystal Lattice Damage and Recovery of Rare-Earth implanted Wide Bandgap Oxides
    Autorzy:
    Sarwar, Mahwish
    Ratajczak, Renata
    Ivanov, Vitalii
    Mishra, Sushma
    Turek, Marcin
    Wierzbicka, Aleksandra
    Woźniak, Wojciech
    Guziewicz, Elżbieta
    Powiązania:
    https://bibliotekanauki.pl/articles/2204945.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    wide bandgap oxides
    zinc oxide
    gallium oxide
    rare earth
    ion implantation
    Rutherford backscattering spectrometry
    low temperature photoluminescence
    Opis:
    Rare earth (RE) elements are important for the optical tuning of wide bandgap oxides (WBO) such as β-Ga2O3 or ZnO, because β-Ga2O3:RE or ZnO:RE show narrow emission lines in the visible, ultra-violet and infra-red region. Ion implantation is an attractive method to introduce dopant into the crystal lattice with an extraordinary control of the dopant ion composition and location, but it creates the lattice damage, which may render the dopant optically inactive. In this research work, we investigate the post-implantation crystal lattice damage of two matrices of wide-bandgap oxides, β-Ga2O3 and ZnO, implanted with rare-earth (RE) to a fluence of 5 x 10^14, 1 x 10^15 and 3 x 10^15 atoms/cm^2, and post-growth annealed in Ar and O2 atmosphere, respectively. The effect of implantation and annealing on both crystal lattices was investigated by channeling Rutherford backscattering spectrometry (RBS/C) technique. The level of crystal lattice damage caused by implantation with the same RE fluences in the case of β-Ga2O3 seems to be higher than in the case of ZnO. Low temperature photoluminescence was used to investigate the optical activation of RE in both matrices after performed annealing.
    Źródło:
    Advances in Science and Technology. Research Journal; 2022, 16, 5; 147--154
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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