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    Wyświetlanie 1-11 z 11
    Tytuł:
    Case-Based Reasoning System for the Selection of Silumin Alloying Elements
    Autorzy:
    Rojek, G.
    Regulski, K.
    Kluska-Nawarecka, S.
    Wilk-Kołodziejczyk, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/382446.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    foundry industry
    information technology
    silumin
    mechanical properties
    modified alloys
    additions Cr, Mo, V, W
    przemysł odlewniczy
    technologia informacyjna
    właściwości mechaniczne
    stopy modyfikowane
    dodatki Cr, Mo, V, W
    Opis:
    This work presents the project of the application of Case-based reasoning (CBR) methodology to an advisory system. This system should give an assistance by selection of proper alloying additives in order to obtain a material with predetermined mechanical properties. The considered material is silumin EN AC-46000 (hypoeutectic Al-Si alloy) that is modified by the addition of Cr, Mo, V and W elements in the range from 0% to 0.5% in the modified alloy. The projected system should indicate to the user the content of particular additives so that the obtained material is in the chosen range of parameters: tensile strength Rm, yield strength Rp0.2, elongation A and hardness HB. The CBR methodology solves new problems basing on the solutions of similar problems resolved in the past. The advantage of the CBR application is that the advisory system increases knowledge base as the subsequent use of the system. The presented design of the advisory system also considers issues related to the ergonomics of its operation.
    Źródło:
    Archives of Foundry Engineering; 2018, 18, 3; 126-131
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    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:
    Computer Advisory System in the Domain of Cooper Alloys Manufacturing
    Autorzy:
    Wilk-Kołodziejczyk, D.
    Kluska-Nawarecka, S.
    Rojek, G.
    Regulski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/383285.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    copper alloy
    bronze
    modification
    quenching
    tempering
    cased based reasoning
    stop miedzi
    brąz
    modyfikacja
    hartowanie
    odpuszczanie
    Opis:
    The main scope of the article is the development of a computer system, which should give advices at problem of cooper alloys manufacturing. This problem relates with choosing of an appropriate type of bronze (e.g. the BA 1044 bronze) with possible modification (e.g. calcium carbide modifications: Ca + C or CaC2) and possible heat treatment operations (quenching, tempering) in order to obtain desired mechanical properties of manufactured material described by tensile strength - Rm, yield strength - Rp0.2 and elongation - A5. By construction of the computer system being the goal of presented here work Case-based Reasoning is proposed to be used. Case-based Reasoning is the methodology within Artificial Intelligence techniques, which enables solving new problems basing on experiences that are solutions obtained in the past. Case-based Reasoning also enables incremental learning, because every new experience is retained each time in order to be available for future processes of problem solving. Proposed by the developed system solution can be used by a technologist as a rough solution for cooper alloys manufacturing problem, which requires further tests in order to confirm it correctness.
    Źródło:
    Archives of Foundry Engineering; 2015, 15, 3; 77-80
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methodology for the Construction of a Rule-Based Knowledge Base Enabling the Selection of Appropriate Bronze Heat Treatment Parameters Using Rough Sets
    Metodyka budowy regułowej bazy wiedzy umożliwiającej dobór odpowiednich parametrów obróbki cieplnej brązów z zastosowaniem zbiorów przybliżonych
    Autorzy:
    Górny, Z.
    Kluska-Nawarecka, S.
    Wilk-Kołodziejczyk, D.
    Regulski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/353780.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    application of information technology to the foundry industry
    heat treatment
    classification algorithms
    rough sets
    data mining
    zastosowanie technologii informatycznych dla przemysłu odlewniczego
    obróbka cieplna
    algorytm klasyfikacji
    zbiory przybliżone
    Opis:
    Decisions regarding appropriate methods for the heat treatment of bronzes affect the final properties obtained in these materials. This study gives an example of the construction of a knowledge base with application of the rough set theory. Using relevant inference mechanisms, knowledge stored in the rule-based database allows the selection of appropriate heat treatment parameters to achieve the required properties of bronze. The paper presents the methodology and the results of exploratory research. It also discloses the methodology used in the creation of a knowledge base.
    Decyzje dotyczące odpowiedniej metody obróbki cieplnej brązów mają wpływ na uzyskanie końcowych własności tych materiałów. W pracy przedstawiono przykład budowy bazy wiedzy z zastosowaniem teorii zbiorów przybliżonych. Wiedza zgromadzona w bazie reguł umożliwia za pomocą mechanizmów wnioskowania dobór odpowiednich parametrów obróbki w celu uzyskania pożądanych własności brązu.
    Źródło:
    Archives of Metallurgy and Materials; 2015, 60, 1; 309-312
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Overview of activities on the internet devoted to casting technology
    Autorzy:
    Wilk-Kołodziejczyk, D.
    Regulski, K.
    Dziaduś-Rudnicka, J.
    Kluska-Nawarecka, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/382912.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    komponent wiedzy
    proces produkcyjny
    odlewnictwo
    metalurgia
    media społecznościowe
    wyszukiwanie internetowe
    odlewnictwo metali
    technologia odlewnicza
    knowledge components
    production process
    foundry
    metallurgy
    social media
    searching on internet
    metal casting
    casting technology
    Opis:
    Article present various forms of transfer of information available on the Internet. An attempt was made to show the possibility of such a selection of the knowledge sources that, taking into account user preferences, would arouse his interest, showing in parallel the intended substantive content. This commitment is shown in the context of the current assumptions of building a platform dedicated to support the needs of production processes in foundry and metallurgy.
    Źródło:
    Archives of Foundry Engineering; 2012, 12, 2; 245-250
    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:
    Computer-Assisted Integration of Knowledge in the Context of Identification of the Causes of Defects in Castings
    Wspomagana komputerowo integracja wiedzy, w kontekście identyfikacji przyczyn powstawania wad odlewów
    Autorzy:
    Kluska-Nawarecka, S.
    Wilk-Kolodziejczyk, D.
    Dajda, J.
    Macura, M.
    Regulski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/356329.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    casting defects diagnostics
    data integration
    ETL
    Extract-Transform-Load
    diagnostyka wad odlewów
    integracja danych
    Opis:
    The paper outlines the rules of creating diagnostic tasks scenarios in determining the causes of defects in castings. The paper presents as well the rules of operation of the computer system for data integration based on Extract-Trasform-Load technology, and a description of prototype implementation of this system, also examples of the tests that was carried out.
    W pracy naszkicowano zasady tworzenia scenariuszy działań diagnostycznych przy określeniu przyczyn powstawania wad odlewów. Przedstawiono zasady działania informatycznego systemu integracji danych opartego na zastosowaniu technologii Extract-Trasform-Load, oraz opis prototypowej realizacji tego systemu, a także przykłady przeprowadzonych testów.
    Źródło:
    Archives of Metallurgy and Materials; 2014, 59, 2; 743-746
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Use of Formal Knowledge Representation in Operating on Resources Concerning Cast Iron Processing
    Autorzy:
    Kluska-Nawarecka, S.
    Wilk-Kołodziejczyk, D.
    Rojek, G.
    Regulski, K.
    Polek, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/380345.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    information technology
    foundry industry
    automation in foundry
    robotics in foundry
    semantic analysis
    semantic search
    technologia informatyczna
    przemysł odlewniczy
    automatyka w odlewnictwie
    robotyka w odlewnictwie
    analiza semantyczna
    wyszukiwarka semantyczna
    Opis:
    The problem of materials selection in terms of their mechanical properties during the design of new products is a key issue of design. The complexity of this process is mainly due to a multitude of variants in the previously produced materials and the possibility of their further processing improving the properties. In everyday practice, the problem is solved basing on expert or designer knowledge. The paper is the proposition of a solution using computer-aided analysis of material experimental data, which may be acquired from external data sources. In both cases, taking into account the rapid growth of data, additional tools become increasingly important, mainly those which offer support for adding, viewing, and simple comparison of different experiments. In this paper, the use of formal knowledge representation in the form of an ontology is proposed as a bridge between physical repositories of data in the form of files and user queries, which are usually formulated in natural language. The number and the sophisticated internal structure of attributes or parameters that could be the criteria of the search for the user are an important issue in the traditional data search tools. Ontology, as a formal representation of knowledge, enables taking into account the known relationships between concepts in the field of cast iron, materials used and processing techniques. This allows the user to receive support by searching the results of experiments that relate to a specific material or processing treatment. Automatic presentation of the results which relate to similar materials or similar processing treatments is also possible, which should make the conducted analysis of the selection of materials or processing treatments more comprehensive by including a wider range of possible solutions.
    Źródło:
    Archives of Foundry Engineering; 2015, 15, 2; 39-42
    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:
    Austempered Ductile Iron Manufacturing Data Acquisition Process with the Use of Semantic Techniques
    Autorzy:
    Wilk-Kołodziejczyk, D.
    Kluska-Nawarecka, A. S.
    Regulski, K.
    Adrian, W.
    Jaśkowiec, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/355169.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    austempered ductile iron
    thermal treatment
    properties
    process data
    data integration
    ontology
    Opis:
    The aim of this work was to propose a methodology supporting the task of collecting the comparative data on studies of the mechanical properties of ADI. Collecting of research data is an important step in the process of finding the optimum design solutions for newly made products - experimental data allow us properly calibrate the manufacturing process of ADI to let the final product achieve the required properties. Parameters of the ADI production process, i.e. the time and temperature of austenitising and austempering, as well as the alloying elements added to ductile iron affect the ADI properties. The design process can use research data collected, among others, from the Web. As stated in the article, the process of data acquisition can be supported by semantic technologies, including ontologies which are descriptive logic formalism.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 4; 2117-2122
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Method to Make Classification of the Heat Treatment Processes Performed on Bronze Using Incomplete Knowledge
    Autorzy:
    Kluska-Nawarecka, S.
    Górny, Z.
    Regulski, K.
    Wilk-Kołodziejczyk, D.
    Jančíková, Z.
    David, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/947501.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    information technology
    foundry industry
    heat treatment
    classification algorithms
    rough sets
    data mining
    technologia informacyjna
    przemysł odlewniczy
    obróbka cieplna
    algorytmy klasyfikacyjne
    zbiory przybliżone
    Opis:
    The article describes the problem of selection of heat treatment parameters to obtain the required mechanical properties in heat- treated bronzes. A methodology for the construction of a classification model based on rough set theory is presented. A model of this type allows the construction of inference rules also in the case when our knowledge of the existing phenomena is incomplete, and this is situation commonly encountered when new materials enter the market. In the case of new test materials, such as the grade of bronze described in this article, we still lack full knowledge and the choice of heat treatment parameters is based on a fragmentary knowledge resulting from experimental studies. The measurement results can be useful in building of a model, this model, however, cannot be deterministic, but can only approximate the stochastic nature of phenomena. The use of rough set theory allows for efficient inference also in areas that are not yet fully explored.
    Źródło:
    Archives of Foundry Engineering; 2014, 14, 2; 69-72
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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