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    Wyświetlanie 1-9 z 9
    Tytuł:
    Concept of a system for building shared expert knowledge base of vehicle repairs
    Autorzy:
    Adamczyk, B.
    Konieczny, Ł.
    Burdzik, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/393237.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    expert knowledge base
    vehicle repair
    RDF
    SPARQL
    ekspertowa baza wiedzy
    naprawa pojazdu
    Opis:
    The paper focuses on technical aspects of creating a centralized expert knowledge base of vehicle repairs which is shared among its contributors. The proposed system is storing unstructured data gathered over the network from different sources such as workshops and authorized resellers. The novelty of the proposed system is to use a semantic web data store in form of OWL (Web Ontology Language) ontology in order to classify and explore the gathered data to significantly improve the process of resolution of challenging vehicle repair problems. Similar problems can be identified by using appropriate pattern recognition techniques and algorithms utilizing the Resource Description Framework (RDF) and its query language - SPARQL Protocol and RDF Query Language (SPARQL).
    Źródło:
    Archives of Transport System Telematics; 2014, 7, 2; 3-8
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Laser doppler vibrometer based examination of the efficiency of introducing artificial delaminations into composite shells
    Autorzy:
    Kustroń, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/260221.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    watercraft hull
    laminate
    artificial delamination
    SHM diagnostics
    advisory expert system knowledge base
    Opis:
    During its operation, the laminate shell of the watercraft hull can be exposed to local stability losses caused by the appearance and development of delaminations. The sources of these delaminations are discontinuities, created both in the production process and as a result of bumps of foreign bodies into the hull in operation. In the environment of fatigue loads acting on the hull, the delaminations propagate and lead to the loss of load capacity of the hull structure. There is a need to improve diagnostic systems used in Structural Health Monitoring (SHM) of laminate hull elements to detect and monitor the development of the delaminations. Effective diagnostic systems used for delamination assessment base on expert systems. Along with other tools, the expert diagnostic advisory systems make use of the non-destructive examination method which consists in generating elastic waves in the hull shell structure and observing their changes by comparing the recorded signal with damage patterns collected in the expert system database. This system requires introducing certain patterns to its knowledge base, based on the results of experimental examinations performed on specimens with implemented artificial delaminations. The article presents the results of the examination oriented on assessing the delaminations artificially generated in the structure of glass- and carbon-epoxy laminates by introducing local non-adhesive layers with the aid of thin polyethylene film, teflon insert, or thin layer of polyvinyl alcohol. The efficiency of each method was assessed using laser vibrometry. The effect of the depth of delamination position in the laminate on the efficiency of the applied method is documented as well.
    Źródło:
    Polish Maritime Research; 2015, 3; 75-82
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Classification of elements in the diagnostic model of a technical object for building an expert knowledge base
    Autorzy:
    Duer, S.
    Pokoradi, L.
    Bernatowicz, D.
    Duer, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/95315.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    expert system
    diagnostic system
    expert knowledge base
    technical diagnostic
    algorithm
    artificial intelligence
    systemy ekspertowy
    system diagnostyczny
    ekspertowa baza wiedzy
    diagnostyka techniczna
    algorytm
    sztuczna inteligencja
    Opis:
    The following paper presents the problem of classification (identification) elements in the internal structure of a technical object. This problem is directly linked with diagnostics and compilation of an expert data base. The basis of a process of grouping elements into classes is to make a diagnostic model of a given object in a form of a structure or set of basic elements of an object. In order to conduct the grouping of elements into subsets of s-th classes, the following paper compiles and presents analytical formulas and classification rules. Theoretical considerations presented in this paper are also verified using an engine control system as an example of a complex technical object.
    Źródło:
    Journal of Mechanical and Energy Engineering; 2017, 1, 1; 71-78
    2544-0780
    2544-1671
    Pojawia się w:
    Journal of Mechanical and Energy Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Module to generate rules for the knowledge base in a CAPCAST expert system
    Autorzy:
    Mrzygłód, B.
    Ścira, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/382864.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    systemy ekspertowe
    baza wiedzy
    ADI
    expert systems
    knowledge base
    Opis:
    The study presented here is related with one of the components of a hybrid decision support system called CAPCAST (Computer Aided Process - CAST), developed under a research project at the Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology. This is a module for rule generation to serve the knowledge base operating in an expert system. The scope of the system operation involves the selection of technological parameters for the manufacture of machine parts from ductile iron. However, it can be extended to include other materials and technologies.
    Źródło:
    Archives of Foundry Engineering; 2012, 12, 2; 167-170
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methods of knowledge representation contained in COLREGS
    Metody reprezentacji wiedzy zawartej w MPDM
    Autorzy:
    Breitsprecher, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/359747.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    system ekspertowy
    baza wiedzy
    reprezentacja wiedzy
    expert system
    knowledge base
    knowledge representation
    Opis:
    The article presents the problem of knowledge representation contained in COLREGS for its use in navigation information systems. The idea of knowledge and representation of knowledge was discussed. A comparison of selected methods of knowledge representation was made and possibility of their use to represent the COLREGS rules was considered. By using selected COLREGS rule and presented methods of knowledge representation, functionality of the knowledge base was analyzed.
    W artykule przedstawiono zagadnienie reprezentacji wiedzy zawartej w MPDM dla potrzeb jej wykorzystania w nawigacyjnych systemach informacyjnych. Omówiono pojęcie wiedzy oraz sposoby jej reprezentowania. Dokonano porównania wybranych metod reprezentacji wiedzy. Rozpatrzono możliwość ich zastosowania do reprezentacji prawideł MPDM. Na przykładzie wybranego prawidła przeanalizowano funkcjonalność bazy wiedzy utworzonej z użyciem przedstawionych metod reprezentacji wiedzy. Sformułowano wnioski.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2012, 30 (102); 18-24
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new approach for modelling uncertainty in expert systems knowledge bases
    Autorzy:
    Niederliński, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/229898.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    expert systems
    uncertainty
    certainty factors
    knowledge bases
    data marks
    SWOT
    SWOT knowledge base
    Opis:
    The current paradigm of modelling uncertainty in expert systems knowledge bases using Certainty Factors (CF) has been critically evaluated. A way to circumvent the awkwardness, non-intuitiveness and constraints encountered while using CF has been proposed. It is based on introducing Data Marks for askable conditions and Data Marks for conclusions of relational models, followed by choosing the best suited way to propagate those Data Marks into Data Marks of rule conclusions. This is done in a way orthogonal to the inference using Aristotelian Logic. Using Data Marks instead of Certainty Factors removes thus the intellectual discomfort caused by rejecting the notion of truth, falsehood and the Aristotelian law of excluded middle, as is done when using the CF methodology. There is also no need for changing the inference system software (expert system shell): the Data Marks approach can be implemented by simply modifying the knowledge base that should accommodate them. The methodology of using Data Marks to model uncertainty in knowledge bases has been illustrated by an example of SWOT analysis of a small electronic company. A short summary of SWOT analysis has been presented. The basic data used for SWOT analysis of the company are discussed. The rmes_EE SWOT knowledge base consisting of a rule base and model base have been presented and explained. The results of forward chaining for this knowledge base have been presented and critically evaluated.
    Źródło:
    Archives of Control Sciences; 2018, 28, 1; 19-34
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Concept of an expert diagnostic system of the turbine engine’s flow path elements
    Autorzy:
    Błachnio, J.
    Borowczyk, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/241869.pdf
    Data publikacji:
    2018
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    engine
    diagnostics
    expert system
    knowledge base
    silnik
    diagnostyka
    system ekspercki
    baza wiedzy
    Opis:
    The article presents a concept of an expert diagnostic system of the turbine engine’s flow path (compressor – combustion chamber – turbine) elements. The system adopts diagnostic signals obtained with the use of non-destructive methods implemented on the non-operating engine. The aim is to detect and assess early stages of damage to selected elements of the engine. The achievement of a reliable diagnosis on the condition of the elements requires the application of a set of diagnostic methods and carrying out the inference, including knowledge about the degradation processes of elements and correlation of the diagnostic (signals) tests results obtained with various methods. A convenient tool, which supports solution of such a set problem is an expert system, which on the one hand, makes it possible to organise the existing formal knowledge, and on the other hand – to use non-formal, or even uncertain, knowledge. The presented concept of the expert diagnostic system is based on PC-Shell system of AITECH Polish Company.
    Źródło:
    Journal of KONES; 2018, 25, 1; 25-32
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Decision making process in cardiac surgery – concept of building an expert system
    Podejmowanie decyzji w kardiochirurgii – koncepcja budowy systemu ekspertowego
    Autorzy:
    Hrapkowicz, T.
    Maruszewski, M.
    Kempa, A.
    Michalik, K.
    Zacny, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/409682.pdf
    Data publikacji:
    2013
    Wydawca:
    STE GROUP
    Tematy:
    expert system
    cardiac surgery
    knowledge base
    decision-making process
    system ekspertowy
    kardiochirurgia
    baza wiedzy
    podejmowanie decyzji
    Opis:
    The fundamental goal of modern information technology is to support decision making process in organizations, for both routine and highly complex problems, based on heterogeneous data sources. The main objective of the paper is to present the construction concept of knowledge base for an expert system designed to support the decision making in cardiac surgery. A knowledge-based medical expert system is designed to support decision-making process in cardiac surgery where knowledge from medical guidelines, risk scales, and registries is applied to reason the medical procedure in a particular case scenario.
    Jednym z podstawowych zadań współczesnej informatyzacji organizacji jest wsparcie procesu podejmowania rutynowych, ale i wysoce skomplikowanych oraz opartych na heterogenicznych źródłach danych, decyzji. Zasadniczym celem artykułu jest przedstawienie koncepcji budowy baz wiedzy na potrzeby systemu eksperckiego wspomagającego proces podejmowania decyzji w kardiochirurgii. System ekspertowy oparty na bazach wiedzy pochodzących ze wskazań medycznych, skal ryzyka i rejestrów, ma wspomagać podejmowanie decyzji odnośnie procedur medycznych w poszczególnych przypadkach klinicznych.
    Źródło:
    Management Systems in Production Engineering; 2013, 1 (9); 26-30
    2299-0461
    Pojawia się w:
    Management Systems in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Functional and diagnostic structure of the equipment of a wind power station
    Autorzy:
    Duer, Radosław
    Wrzesień, Paweł
    Duer, Stanisław
    Bernatowicz, Dariusz
    Valíček, Ján
    Powiązania:
    https://bibliotekanauki.pl/articles/95273.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    artificial intelligence
    expert systems
    knowledge base
    technical diagnostics
    wind power plant
    sztuczna inteligencja
    systemy ekspertowe
    baza wiedzy
    diagnostyka techniczna
    elektrownia wiatrowa
    Opis:
    This article describes functional and diagnostic structure of the equipment of a Wind Power Station. Considering particular operational conditions of a technical object, that is a set of Wind Power Station equipment, this is a significant issue. A structural model of Wind Power Station equipment is developed. Based on that, a functional – diagnostic model of Wind Power Station equipment is elaborated. That model is a basis for determining primary elements of the object structure, as well as for interpreting a set of diagnostic signals and their reference signals.
    Źródło:
    Journal of Mechanical and Energy Engineering; 2019, 3, 4; 323-328
    2544-0780
    2544-1671
    Pojawia się w:
    Journal of Mechanical and Energy Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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