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Wyświetlanie 1-15 z 18
Tytuł:
The Decision Support System in the Domain of Casting Defects Diagnosis
Autorzy:
Wilk-Kołodziejczyk, D.
Rojek, G.
Regulski, K.
Powiązania:
https://bibliotekanauki.pl/articles/947573.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
application of information technology
foundry industry
castings defects
diagnosis
zastosowanie technologii informatycznych
przemysł odlewniczy
wady odlewów
Opis:
This article presents a computer system for the identification of casting defects using the methodology of Case-Based Reasoning. The system is a decision support tool in the diagnosis of defects in castings and is designed for small and medium-sized plants, where it is not possible to take advantage of multi-criteria data. Without access to complete process data, the diagnosis of casting defects requires the use of methods which process the information based on the experience and observations of a technologist responsible for the inspection of ready castings. The problem, known and studied for a long time, was decided to be solved with a computer system using a CBR (Case-Based Reasoning) methodology. The CBR methodology not only allows using expert knowledge accumulated in the implementation phase, but also provides the system with an opportunity to "learn" by collecting new cases solved earlier by this system. The authors present a solution to the system of inference based on the accumulated cases, in which the main principle of operation is searching for similarities between the cases observed and cases stored in the knowledge base.
Źródło:
Archives of Foundry Engineering; 2014, 14, 3; 107-110
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Methods of Computational Intelligence in the Context of Quality Assurance in Foundry Products
Autorzy:
Rojek, G.
Regulski, K.
Wilk-Kołodziejczyk, D.
Powiązania:
https://bibliotekanauki.pl/articles/380386.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
application of information technology
foundry industry
quality management
casting defects
computational intelligence
artificial intelligence
zastosowanie technologii informatycznych
przemysł odlewniczy
zarządzanie jakością
wady odlewnicze
inteligencja obliczeniowa
sztuczna inteligencja
Opis:
One way to ensure the required technical characteristics of castings is the strict control of production parameters affecting the quality of the finished products. If the production process is improperly configured, the resulting defects in castings lead to huge losses. Therefore, from the point of view of economics, it is advisable to use the methods of computational intelligence in the field of quality assurance and adjustment of parameters of future production. At the same time, the development of knowledge in the field of metallurgy, aimed to raise the technical level and efficiency of the manufacture of foundry products, should be followed by the development of information systems to support production processes in order to improve their effectiveness and compliance with the increasingly more stringent requirements of ergonomics, occupational safety, environmental protection and quality. This article is a presentation of artificial intelligence methods used in practical applications related to quality assurance. The problem of control of the production process involves the use of tools such as the induction of decision trees, fuzzy logic, rough set theory, artificial neural networks or case-based reasoning.
Źródło:
Archives of Foundry Engineering; 2016, 16, 2; 11-16
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:
Study of the BA1044 alloy properties and their interpretation with the use of fuzzy logic
Autorzy:
Górny, Z.
Kluska-Nawarecka, S.
Wilk-Kołodziejczyk, D.
Saja, K.
Powiązania:
https://bibliotekanauki.pl/articles/380513.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
modification
heat treatment
copper alloy
artificial intelligence
fuzzy logic
simulation studies
modyfikacja
obróbka cieplna
stop miedzi
sztuczna inteligencja
logika rozmyta
badania symulacyjne
Opis:
The study presents the results of research aimed at the construction of a model of the relationship between the physical properties of metal and the types of toughening treatment and modifiers used in the modification of BA1044 alloy. Samples of melts were subjected to four variants of the heat treatment and to five types of modification. Studies of the samples consisted in measurements of five physical parameters. Consequently, it was necessary to seek a relationship between the nine input parameters and five output parameters. With this number of the variables and a limited number of samples, searching for the relationships by way of statistical methods was obviously impossible, so it was decided to create an approximate model through the use of fuzzy logic. This study describes the process of creating a model and presents the results of some simulation experiments that confirm the validity of the correct approach.
Źródło:
Archives of Foundry Engineering; 2013, 13, 2; 75-79
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of an Approximation Model of Selected Properties of Model Materials Used for Simulations of Bulk Metal Plastic Forming Processes Using Induction of Decision Trees
Autorzy:
Hawryluk, M.
Wilk-Kołodziejczyk, D.
Regulski, K.
Głowacki, M.
Powiązania:
https://bibliotekanauki.pl/articles/351927.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
regression tree induction
properties approximation
physical modelling
soft model materials
Opis:
The article discusses the development of an approximation model of selected plastic and mechanical properties obtained from compression tests of model materials used in physical modeling. The use of physical modeling with the use of soft model materials such as a synthetic wax branch with various modifiers is a popular tool used as an alternative or verification of numerical modeling of bulk metal forming processes. In order to develop an algorithm to facilitate the choice of material model to simulate the behavior of real-metallic materials used in industrial production processes the induction of decision trees was used. First of all, the Statistica program was used for data mining, which made it possible to determine / find the relationship between the percentage of particular constituents of the model material (base material and modifiers) and yield strength, critical and maximum strain, and provide the opportunity to indicate the most important variables determining the shape of the stress - strain curve. Next, using the induction of decision trees, an approximation model was developed, which allowed to create an algorithm facilitating the selection of individual modifying components. The last stage of the research was verification of the correctness of the developed algorithm. The obtained research results indicate the possibility of using decision tree induction to approximate selected properties of modeling materials simulating the behavior of real materials, thus eliminating the need for costly and time-consuming experiments carried out on metallic material.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 3; 1073-1085
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
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:
Optymalizacja dodatków Ni i Cu w żeliwie ADI z uwzględnieniem szybkości stygnięcia odlewu
Optimization of Ni and Cu additions in ADI cast iron in respect of cast cooling rate
Autorzy:
Wilk-Kołodziejczyk, D.
Kowalski, A.
Opaliński, A.
Regulski, K.
Mrzygłód, B.
Gumienny, G.
Jaśkowiec, K.
Powiązania:
https://bibliotekanauki.pl/articles/391520.pdf
Data publikacji:
2017
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Odlewnictwa
Tematy:
żeliwo ADI
obróbka cieplna
właściwości mechaniczne
struktura
ADI cast iron
thermal treatment
mechanical properties
structure
Opis:
W pracy analizowano wpływ dodatków Ni i Cu na właściwości mechaniczne żeliwa ADI w odlewach o różnej grubości ścianek. Zastosowano plan eksperymentu, stosując kombinacje dodatku Ni w ilości 0,5% i 1,5% oraz dodatku Cu w ilości 0,5% i 1,0%. Zawartość pozostałych pierwiastków wynosiła: C = 3,3−3,6%, Si = 2,2−2,6%, Mn = 0,10−0,13%, P do 0,05%, S do 0,020% (% wag.). Wykonano 4 wytopy żeliwa, odlewając wlewki o grubości 25 mm, 50 mm i 75 mm. Sferoidyzację żeliwa przeprowadzono metodą przewodu elastycznego (otoczka stalowa wypełniona magnezem). W formach odlewniczych zastosowano specjalny układ filtrująco-modyfikujący. Z każdego wytopu i z każdego wlewka wykonano próbki wytrzymałościowe. Po hartowaniu izotermicznym zmierzono Rm i A5. Opracowano wielomiany aproksymujące (Rm, A5) = f(Ni,Cu). Wielomiany te pozwalają na dobór optymalnych dodatków Ni i Cu dla uzyskania wymaganej wytrzymałości bądź plastyczności. Na podstawie wielomianów wykonano wykresy trójwymiarowe obrazujące powyższe zależności.
The study analyzes the effect of Ni and Cu additions on the mechanical properties of ADI cast iron in casts with different wall thickness values. The applied experiment plan included the use of combinations of the Ni addition in the amount of 0.5% and 1.5% and the Cu addition in the amount of 0.5% and 1.0%. The content of the remaining elements equaled: C = 3 .3−3.6%, S i = 2 .2−2.6%, M n = 0 .10−0.13%, P max. 0.05%, S max. 0.020% (wt. %). Four cast iron melts were performed, by way of casting ingots with a thickness of 25 mm, 50 mm and 75 mm. The cast iron spheroidization was conducted by the flexible conduit method (steel envelope filled with magnesium). In the casting moulds, a special filtering-modifying system was applied. From each melt and each ingot, strength samples were prepared. After isothermal quenching, Rm and A5 were measured. The approximating polynomials (Rm, A5) = f(Ni,Cu) were elaborated. The polynomials make it possible to select the optimal Ni and Cu additions to obtain the required strength or plasticity. Based on the polynomials, three-dimensional diagrams illustrating the above relations were constructed.
Źródło:
Prace Instytutu Odlewnictwa; 2017, 57, 2; 85-94
1899-2439
Pojawia się w:
Prace Instytutu Odlewnictwa
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:
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:
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:
Heuristic Model of the Mechanical Properties of a Hypoeutectic EN AC-42100 (EN AC-AlSi7Mg0.3) Silumin Alloy Subjected to Heat Treatment
Autorzy:
Górny, Z.
Kluska-Nawarecka, S.
Czekaj, E.
Wilk-Kołodziejczyk, D.
Saja, K.
Powiązania:
https://bibliotekanauki.pl/articles/383182.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
information technology
application of information technology
foundry industry
silumin alloy
mechanical properties
heat treatment
fuzzy logic
artificial intelligence
technologie informatyczne
zastosowanie technologii informatycznych
przemysł odlewniczy
silumin
właściwości mechaniczne
obróbka cieplna
sztuczna inteligencja
Opis:
The object of the experimental studies was to determine the mechanical properties of a hypoeutectic EN AC - 42100 (EN ACAlSi7Mg0,3) silumin alloy, where the said properties are changing as a result of subjecting the samples of different types to solution treatment. An important aspect of the studies was the use type of device for the heat treatment. As a basic parameter representing the mechanical properties, the tensile strength of the metal (Rm) was adopted.
Źródło:
Archives of Foundry Engineering; 2014, 14, 4; 35-38
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
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
Wyświetlanie 1-15 z 18

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