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    Wyświetlanie 1-14 z 14
    Tytuł:
    Information Technologies for Assessing the Quality of IT-specialties Graduates Training of University by Means of Fuzzy Logic and Neural Networks
    Autorzy:
    Azarova, Anzhelika O.
    Azarova, Larysa E.
    Pavlov, Sergii V.
    Savina, Nataliia B.
    Kaplun, Iryna S.
    Wójcik, Waldemar
    Smailova, Saule
    Kalizhanova, Aliya
    Powiązania:
    https://bibliotekanauki.pl/articles/227142.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    information technologies
    fuzzy logic
    neural networks
    quality of IT-specialties graduates' training
    Opis:
    The information technologies for assessing the quality of IT-specialties graduates' training of university by means of fuzzy logic and neural networks are developed in the article. It makes possible taking into account a wide set of estimation and output parameters, influence of the external and internal factors and allows to simplify the assessing process by means of modern mathematical apparatuses of artificial intelligence.
    Źródło:
    International Journal of Electronics and Telecommunications; 2020, 66, 3; 411-416
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    European Quantum Strategy : Global and Local Consequences
    Autorzy:
    Romaniuk, Ryszard S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2203001.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    QIT quantum information technologies
    quantum computing and simulation
    communications
    sensors
    metrology
    European Quantum Flagship
    Opis:
    Europe has to face strong competitive challenges in the field of QIT from other regions of the world. The tools for the effective implementation of the challenges related to the start, we hope, of building a quantum civilization are both common and individual in particular European countries. Joint projects in the field of QIT, usually narrowly focused, are announced by large European Agencies and are related to their activities. Large-scale collaborative projects are of course the domain of the EC. National projects depend heavily on the capabilities of individual countries and vary greatly in size. The most technologically advanced European countries invest hundreds of millions of Euros in national QIT projects annually. The largest European FET class project currently being implemented is the Quantum Flagship. Although the EQF is basically just one of the elements of a large and complicated European scene of development of quantum technologies, it becomes the most important element and, in a sense, a dominant one, also supported from the political level. There are complex connections and feedbacks between the elements of this quantum scene. National projects try to link to the EQF. Here we are interested in such connections and their impact on the effectiveness of QIT development in Europe, and especially in Poland.
    Źródło:
    International Journal of Electronics and Telecommunications; 2023, 69, 1; 199--206
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Approximation of Ausferrite Content in the Compacted Graphite Iron with the Use of Combined Techniques of Data Mining
    Autorzy:
    Regulski, K.
    Wilk-Kołodziejczyk, D.
    Kacprzyk, B.
    Gumienny, G.
    Rojek, G.
    Mrzygłód, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/379587.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    information technologies
    foundry
    graphite irons
    compacted
    ausferrite
    data mining
    regression
    odlewnictwo
    technologie informacyjne
    zagęszczanie
    żeliwo grafitowe
    Opis:
    This article presents the methodology for exploratory analysis of data from microstructural studies of compacted graphite iron to gain knowledge about the factors favouring the formation of ausferrite. The studies led to the development of rules to evaluate the content of ausferrite based on the chemical composition. Data mining methods have been used to generate regression models such as boosted trees, random forest, and piecewise regression models. The development of a stepwise regression modelling process on the iteratively limited sets enabled, on the one hand, the improvement of forecasting precision and, on the other, acquisition of deeper knowledge about the ausferrite formation. Repeated examination of the significance of the effect of various factors in different regression models has allowed identification of the most important variables influencing the ausferrite content in different ranges of the parameters variability.
    Źródło:
    Archives of Foundry Engineering; 2017, 17, 3; 117-122
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Computer Catalog and Semantic Search of Data in the Domain of Cast Iron Processing
    Autorzy:
    Rojek, G.
    Regulski, K.
    Wilk-Kołodziejczyk, D.
    Kluska-Nawarecka, S.
    Wawrzaszek, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/381770.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    application of information technologies
    foundry
    semantic search
    ontology
    cast iron processing
    zastosowanie technologii informacyjnych
    odlewnictwo
    obróbka żeliwa
    Opis:
    The aim of this study is to design and implement a computer system, which will allow the semantic cataloging and data retrieval in the field of cast iron processing. The intention is to let the system architecture allow for consideration of data on various processing techniques based on the information available or searched by a potential user. This is achieved by separating the system code from the knowledge of the processing operations or from the chemical composition of the material being processed. This is made possible by the creation and subsequent use of formal knowledge representation in the form of ontology. So, any use of the system is associated with the use of ontologies, either as an aid for the cataloging of new data, or as an indication of restrictions imposed on the data which draw user attention. The use of formal knowledge representation also allows consideration of semantic meaning, a consequence of which may be, for example, returning all elements in subclasses of the searched process class or material grade.
    Źródło:
    Archives of Foundry Engineering; 2017, 17, 2; 79-84
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of ALSV(FD) logic and XTT knowledge representation in the range of ADI properties
    Autorzy:
    Regulski, K.
    Wilk-Kołodziejczyk, D.
    Rojek, B.
    Kluska-Nawarecka, S.
    Adrian, W. T.
    Powiązania:
    https://bibliotekanauki.pl/articles/380492.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    foundry production
    computer aided foundry
    application of information technologies
    ADI
    ALSV
    rule based XTT format
    odlewnia
    odlewy
    komputerowe wspomaganie odlewni
    zastosowanie technologii informatycznych
    Opis:
    The objective of studies presented in this publication was structuring of research knowledge about the ADI functional properties and changes in these properties due to material treatment. The results obtained were an outcome of research on the selection of a format of knowledge representation that would be useful in further work aiming at the design, application and implementation of an effective system supporting the decisions of a technologist concerning the choice of a suitable material (ADI in this case) and appropriate treatment process (if necessary). ALSV(FD) logic allows easy modelling of knowledge, which should let addressees of the target system carry out knowledge modelling by themselves. The expressiveness of ALSV (FD) logic allows recording the values of attributes from the scope of the modelled domain regarding ADI, which is undoubtedly an advantage in the context of further use of the logic. Yet, although the logic by itself does not allow creating the rules of knowledge, it may form a basis for the XTT format that is rule-based notation. The difficulty in the use of XTT format for knowledge modelling is acceptable, but formalism is not suitable for the discovery of rules, and therefore the knowledge of technologist is required to determine the impact of process parameters on values that are functional properties of ADI. The characteristics of ALSV(FD) logic and XTT formalism, described in this article, cover the most important aspects of a broadly discussed, full evaluation of the applicability of these solutions in the construction of a system supporting the decisions of a technologist.
    Źródło:
    Archives of Foundry Engineering; 2016, 16, 2; 75-78
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Committee of Electronics and Telecommunications Polish Academy of Sciences : structure, activities, perspectives
    Autorzy:
    Modelski, J.
    Romaniuk, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/226932.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    electronics
    telecommunications
    Committee of Electronics and Telecommunications
    Polish Academy of Sciences
    technical sciences in Poland
    research conferences
    research expertise
    information technologies
    science policy
    science funding
    Opis:
    Committee of Electronics and Telecommunications of the Polish Academy of Sciences (KEiT PAN) has been acting on behalf of scientific community in Poland since 1960. The article presents structure, statutory tasks, and Committee activities on behalf of the integration and development of electronics and telecommunications sciences and technology in Poland. The Committee of Electronics and Telecommunications of PAS is all the time an active participant of research life in the country. However, this participation is different than it used to be, and all the time is subject to intense changes. The authors present critically the current status of the Committee, but also undertake an effort to newly define the role, activity and potential of KEiT PAN, in completely new conditions of doing research in Poland, Europe and worldwide, than it was at that time, when the PAS Committees were originally defined. The conclusions, upon possible acceptance by the national research and technical communities of electronics and telecommunications, may possibly serve to change and/or optimise the work of the Committee in the near future.
    Źródło:
    International Journal of Electronics and Telecommunications; 2015, 61, 1; 49-56
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Current Advances in Information Quantum Technologies : Critical Issues
    Autorzy:
    Nałęcz-Charkiewicz, Katarzyna
    Meles, Jana
    Rzęsa, Wioleta
    Wojciechowski, Andrzej A.
    Warchulski, Eryk
    Kania, Kacper
    Stypułkowska, Justyna
    Fluder, Grzegorz
    Romaniuk, Ryszard S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1844491.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    information quantum technologies
    quantum sensors and timing
    quantum computing applications
    quantum genetic algorithms
    quantum communications and internet
    Opis:
    This article reviews chosen topics related to the development of Information Quantum Technologies in the major areas of measurements, communications, and computing. These fields start to build their ecosystems which in the future will probably coalesce into a homogeneous quantum information layer consisting of such interconnected components as quantum internet, full size quantum computers with efficient error corrections and ultrasensitive quantum metrology nodes stationary and mobile. Today, however, the skepticism expressing many doubts about the realizability of this optimistic view fights with a cheap optimism pouring out of some popular press releases. Where is the truth? Financing of the IQT by key players in research, development and markets substantially strengthens the optimistic side. Keeping the bright side with some reservations, we concentrate on showing the FAST pace of IQT developments in such areas as biological sciences, quantum evolutionary computations, quantum internet and some of its components.
    Źródło:
    International Journal of Electronics and Telecommunications; 2021, 67, 3; 497-505
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of IQT on research in ICT
    Autorzy:
    Bednarski, Bogdan J.
    Lepak, Łukasz E.
    Łyskawa, Jakub J.
    Pieńczuk, Paweł
    Rosoł, Maciej
    Romaniuk, Ryszard S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2055259.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ICT
    control theory
    IQT
    Information Quantum Technologies
    Quantum 2.0
    applications of IQT
    quantum systems
    qubit neural networks
    quantum time series forecasting;
    Quantum Reinforcement Learning
    Opis:
    This paper is written by a group of Ph.D. students pursuing their work in different areas of ICT, outside the direct area of Information Quantum Technologies IQT. An ambitious task was undertaken to research, by each co-author, a potential practical influence of the current IQT development on their current work. The research of co-authors span the following areas of ICT: CMOS for IQT, QEC, quantum time series forecasting, IQT in biomedicine. The intention of the authors is to show how quickly the quantum techniques can penetrate in the nearest future other, i.e. their own, areas of ICT.
    Źródło:
    International Journal of Electronics and Telecommunications; 2022, 68, 2; 259--266
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Information Technology in Education : Hopes and Fears
    Autorzy:
    Łaszczyk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/226098.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    information technology
    pedagogy
    distance learning
    new technologies
    Internet
    computer
    education
    Opis:
    Modern technologies whose development defines the beginning of the twenty-first century information civilization create entirely new possibilities for organizing and delivering educational processes. Thanks to them an opportunity for education opens up, which is a move away from the narrowly conceived encyclopaedism in education to independent work, revealing activities, and sometimes creativity. The paper will consider the benefits that can be associated with the use of IT in teaching on the one hand understood as a set of devices, on the other as education software packages. At the same time features which entails risks for the organization of teaching and learning processes as well as for themselves educated will be indicated.
    Źródło:
    International Journal of Electronics and Telecommunications; 2015, 61, 3; 261-266
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Digital Competences of Maria Grzegorzewska Academy of Special Education Students : Method and Results of a Survey
    Autorzy:
    Romaniuk, M. W.
    Powiązania:
    https://bibliotekanauki.pl/articles/227004.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    information technology
    computer skills
    students
    new technologies
    Internet
    computer
    smartphone
    Google Forms
    Opis:
    Author analyses the use of new technologies by the pedagogy students from the generation of digital natives focusing on using the functions of mobile electronic devices and basic functions of Internet. Data has been collected with Google Forms. They allow to collect the data very quick, to see the responses immediately and to export the data to a spreadsheet. The aim of the study is to determine the level of student’s competence on the chosen field of information technology. Research shows that students have lower skills than they declare. Author advocates that this situation needs to be improved.
    Źródło:
    International Journal of Electronics and Telecommunications; 2015, 61, 3; 267-272
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Implementation of Computer Platform for Foundries Cooperating in a Supply Chain
    Autorzy:
    Wilk-Kołodziejczyk, D.
    Kluska-Nawarecka, S.
    Rojek, G.
    Regulski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/382875.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    application of information technology
    foundry industry
    innovative foundry technologies
    innovative materials
    multi-agent technology
    production support
    zastosowanie technologii informatycznych
    przemysł odlewniczy
    innowacyjne technologie odlewnicze
    materiały innowacyjne
    wsparcie produkcji
    Opis:
    This article presents a practical solution in the form of implementation of agent-based platform for the management of contracts in a network of foundries. The described implementation is a continuation of earlier scientific work in the field of design and theoretical system specification for cooperating companies [1]. The implementation addresses key design assumptions - the system is implemented using multi-agent technology, which offers the possibility of decentralisation and distributed processing of specified contracts and tenders. The implemented system enables the joint management of orders for a network of small and medium-sized metallurgical plants, while providing them with greater competitiveness and the ability to carry out large procurements. The article presents the functional aspects of the system - the user interface and the principle of operation of individual agents that represent businesses seeking potential suppliers or recipients of services and products. Additionally, the system is equipped with a bi-directional agent translating standards based on ontologies, which aims to automate the decision-making process during tender specifications as a response to the request.
    Źródło:
    Archives of Foundry Engineering; 2014, 14, 3; 111-116
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The deformation of wax patterns and castings in investment casting technology
    Autorzy:
    Herman, A.
    Česal, M.
    Mikeš, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/382400.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    technologia informatyczna
    przemysł odlewniczy
    innowacyjne technologie odlewnicze
    innowacyjne materiały odlewnicze
    odlewanie precyzyjne
    model odlewniczy
    information technology
    foundry industry
    innovative foundry technologies
    innovative foundry material
    investment casting
    wax patterns
    Opis:
    The dimensional accuracy of the final casting of Inconel alloy 738 LC is affected by many aspects. One of them is the choice of method and time of cooling wax model for precision investment casting. The main objective was to study the initial deformation of the complex shape of the casting of the rotor blades. Various approaches have been tested for cooling wax pattern. When wax models are cooling on the air, without clamping in jig for cooling, deviations from the ideal shape of the casting are very noticeable (up to 8 mm) and most are in extreme positions of the model. When blade is cooled in fixing jig in water environment, the resulting deviations compared with cooling in air are significantly larger, sometimes up to 10 mm. This itself does not mean that the final shape of the casting is dimensionally more accurate with usage of wax models, which have deviations from the ideal position smaller. Another deformation occurs when shell mould is produced around wax pattern and furthermore deformations emerge while casting of blade is cooling. This paper demonstrates first steps in describing complex process of deformations of Inconel alloy blades produced with investment casting technology by comparing results from thermal imagery, simulations in foundry simulation software ProCAST 2010 and measurements from CNC scanning system Carl Zeiss MC 850. Conclusions are so far not groundbreaking, but it seems deformations of wax pattern and deformations of castings do in some cases cancel each other by having opposite directions. Describing entirely whole process of deformations will help increase precision of blade castings so that models at the beginning and blades in the end are the same.
    Źródło:
    Archives of Foundry Engineering; 2012, 12, 1; 37-42
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New Use of Instruments for More Accurate Wax Pattern Blade Segment Production
    Autorzy:
    Herman, A.
    Kubelková, I.
    Vrátný, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/381106.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    foundry industry
    application of information technology
    innovative foundry technologies
    innovative materials
    Investment casting
    gas turbines
    infrared thermography
    simulation
    przemysł odlewniczy
    zastosowanie technologii informatycznej
    innowacyjne technologie odlewnicze
    innowacyjne materiały
    turbiny gazowe
    symulacja
    Opis:
    Precision casting is currently motivated by high demand especially for castings for the aerospace, automotive and gas turbine industries. High demands on precision of this parts pressure foundries to search for the new tools which can help them to improve the production. One of these tools is the numerical simulation of injection process, whereas such software especially for investment casting wax injection, process does not exist yet and for this case must be the existing software, for alloys or plastic, modified. This paper focuses on the use of numerical simulations to predict the behavior of injected models of gas turbine blades segments. The properties of wax mixtures, which were imported into the Cadmould simulation software as a material model, were found. The results of the simulations were verified using the results of 3D scanning measurements of wax models. As a supporting technology for verifying the results was used the Infrared Thermography.
    Źródło:
    Archives of Foundry Engineering; 2019, 2; 101-106
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The framework of agent-based negotiation platform for foundries cooperating in supply chain
    Autorzy:
    Kluska-Nawarecka, S.
    Regulski, K.
    Rojek, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/379687.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    information technology
    foundry industry
    innovative foundry technologies
    innovative foundry materials
    ontology
    agent technology
    production support
    technologia informacyjna
    przemysł odlewniczy
    innowacyjna technologia odlewnicza
    innowacyjny materiał odlewniczy
    ontologia
    technologia agentowa
    wspomaganie produkcji
    Opis:
    This paper concerns the domain of contracts in the metallurgy and heavy industry, that are the form of deals making between cooperating companies being suppliers and consumers of some goods. From a general point of view cooperation enables for small companies to realize orders that are too large for an individual producer, but contract negotiations, further scheduling and support of production are usually too difficult and complicated. This paper presents a proposition of an information system, that should make cooperation between companies more available. Such system should be distributed among cooperating producers, what is the reason for choosing of the agent technology as the main software paradigm. This system should also support interchanging of information in many norms and technical standards, what results in the use of ontology concerning metallurgy and heavy industry.
    Źródło:
    Archives of Foundry Engineering; 2013, 13, 4; 73-78
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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