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Wyświetlanie 1-15 z 97
Tytuł:
A framework for the reliability characteristics estimation on the experimental data
Autorzy:
Borowczyk, H.
Lindstedt, P.
Manerowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/242525.pdf
Data publikacji:
2016
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
reliability
experimental data
framework
expert system
Opis:
This paper presents a framework for the reliability characteristics estimation on the experimental data. The framework consists of the set of failures, the experimental data sources, the set of reliability characteristics, the estimation methods, the estimation goodness tests and the expert system supporting estimation and statistical inference processes. The experimental data was obtained with two main theoretical means: control theory and diagnostics. It has been observed that changes of the functioning condition potential could serve to determine the symptoms of transient (momentary) failures and the changes in the potential of the technical condition to determine the symptoms of parametric faults. Such an information is sufficient to calculate reliability characteristics before dangerous catastrophic failures occur and to calculate reliability characteristics for single object without having to deal with a numerous set of objects. The set of reliability characteristics models consists of the analysed failures combination and distribution functions used in the reliability engineering. The set of estimation methods includes analytical and numerical ones. The proposed expert system supporting estimation and statistical inference processes consists of data base (the experimental data), rule base and inferring machine.
Źródło:
Journal of KONES; 2016, 23, 3; 57-63
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Expert system on efficiency evaluation of continuous flow grain dryer
Autorzy:
Walczak, R.
Powiązania:
https://bibliotekanauki.pl/articles/92842.pdf
Data publikacji:
2006
Wydawca:
Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach
Tematy:
energy efficiency
dryer
drying
expert system
Opis:
The purpose of the paper is to present a concept of energy efficiency and financial evaluation of counter flow dryer. Energy efficiency and many other efficiency indexes of the dryer and all additional devices like heater, heat exchangers, tubing and fans are calculated. Expert system provides also the financial evaluation of the investment. Many investments could be considered. The system provides the user with suggestions about the best dryer for him/her. Expert system also enables evaluation of energy saving improvements. The energy savings for dryer installation sections are calculated. Cost savings are compared with investment value. The best energy saving project could be selected on the base of selection algorithm. Expert system could be used for existing and new-designed dryers.
Źródło:
Studia Informatica : systems and information technology; 2006, 1(7); 179-193
1731-2264
Pojawia się w:
Studia Informatica : systems and information technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Expert systems in assessing the construction process safety taking account of the risk of disturbances
Autorzy:
Siemaszko, A.
Jakubczyk-Galczynska, A.
Grzyl, B.
Powiązania:
https://bibliotekanauki.pl/articles/30147063.pdf
Data publikacji:
2018
Wydawca:
Akademia Wojsk Lądowych imienia generała Tadeusza Kościuszki
Tematy:
construction safety
artificial intelligence
expert system
Opis:
The objective of the paper is to present the issue of safety management during the construction process. Threats in the form of disturbances may occur in the preparatory phase, during the execution of the construction project and also during its operational use. The article presents the concept of applying the methodology based, among others, on Learning Bayesian Networks, Artificial Neural Networks and Support Vector Machine, which can be used for building a system for diagnostic and decision-making support at each stage of the construction process. The use of expert systems when it comes to making choices related to construction issues can bring many benefits to decision-makers, as it reduces the risk of taking a wrong decision, and, thus, increases the construction process safety.
Źródło:
Scientific Journal of the Military University of Land Forces; 2018, 50, 3(189); 218-227
2544-7122
2545-0719
Pojawia się w:
Scientific Journal of the Military University of Land Forces
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assesment of existing reinforced concrete structures with usage of the fuzzy logic - based expert system
Autorzy:
Tur, Viktar
Yalavaya, Yuliya
Powiązania:
https://bibliotekanauki.pl/articles/132073.pdf
Data publikacji:
2019
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
expert system
fuzzy logic
existing structures
Opis:
Fuzzy logic is a useful tool when assessing the existing reinforced concrete structures. The introduction of expert system in assessing the technical condition of the existing structures built on the fuzzy logic represents a transition to a new and higher-quality level for the survey of constructions sites. As a result, it is seen that the assessment of the existing building with the usage of the proposed expert system complies with the estimation of the qualified experts.
Źródło:
Modern Engineering; 2019, 2; 61-70
2450-5501
Pojawia się w:
Modern Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concept of expert system interpreting correctness of measurement and method of the EEG signal analysis for needs of the brain-computer interface
Autorzy:
Paszkiel, S.
Powiązania:
https://bibliotekanauki.pl/articles/378126.pdf
Data publikacji:
2016
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
EEG signal
expert system
data analysis
Opis:
The concept of construction of the expert system interpreting correctness of measurement and the method of the EEG signal analysis for needs of the brain-computer interface (BCI) are described in the article. The general orientations related with the methodology of creating the expert systems based on the knowledge base (KB) are characterised. Also, the brain-computer interface technology was described, which has been recently gaining more and more popularity within the scope of its application in control processes.
Źródło:
Poznan University of Technology Academic Journals. Electrical Engineering; 2016, 88; 209-216
1897-0737
Pojawia się w:
Poznan University of Technology Academic Journals. Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of sample advisory systems in medicine
Autorzy:
Woehl, Agnieszka
Zapotoczny, Kacper
Żaba, Julia
Nagi, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/34656174.pdf
Data publikacji:
2023
Wydawca:
Politechnika Opolska
Tematy:
advisory system
expert system
block diagram
decision tree
Opis:
Artificial intelligence is a field that has been rapidly developing in various areas of knowledge in recent years. Its application in medicine can support the intensive development of research in health care and improve and ac-celerate the operation of many medical facilities. This article presents sev-eral examples of expert systems that can find application in diagnosing and preparing a patient for selected tests. Expert systems can also find appli-cation in the rapid selection of rehabilitation, medical or support equip-ment and devices with which medical facilities are supplied. In this article, the reader will also find a sample application that will perform this func-tion. The article presents the elements of which a correct expert system should consist. For each application, tests have been carried out to show the correctness of the system. The purpose of the article was to show the capabilities of the expert system and its application in medical fields.
Źródło:
Sustainable Production, Instrumentation and Engineering Sciences; 2023, 1, 1; 13-17
2956-6711
Pojawia się w:
Sustainable Production, Instrumentation and Engineering Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Expert systems used in industrial production management
Systemy eksperckie wykorzystywane w zarządzaniu produkcją przemysłową
Autorzy:
Dima, I. C.
Man, M.
Grabara, I.
Ciurea, V.
Powiązania:
https://bibliotekanauki.pl/articles/405839.pdf
Data publikacji:
2010
Wydawca:
Politechnika Częstochowska
Tematy:
system ekspercki
sztuczna inteligencja
interfejs
wyszukiwarka
wdrażanie systemu eksperckiego
expert system
artificial intelligence
interface
search engine
implementation of expert system
Opis:
In the conditions of computing the human society, the operational management activities can be improved by using artificial intelligence. Therefore, an expert system is proposed, for the metallurgical industry, for the casting activity for parts necessary in mining industry.
Sztuczna inteligencja może przyczynić się do poprawy działań związanych z zarządzaniem operacyjnym w przypadku informatyzacji społeczeństwa. W związku z powyższym, w artykule zaproponowano wykorzystanie systemu eksperckiego w przemyśle metalurgicznym, szczególnie w procesach odlewania części niezbędnych w przemyśle kopalnianym.
Źródło:
Polish Journal of Management Studies; 2010, 2; 57-67
2081-7452
Pojawia się w:
Polish Journal of Management Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An evaluation of the use of expert systems in economics
Autorzy:
Sonnet, Daniel
Powiązania:
https://bibliotekanauki.pl/articles/518250.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Gdański. Wydział Ekonomiczny
Tematy:
expert system
artificial intelligence
economic modelling
SWOT analysis
Opis:
This article presented the hypothesis that expert systems can extend traditional economic modelling. Before this hypothesis was examined, expert systems were specified and example swere given. Expert systems use a knowledge base, often of the form of “if A, then B” rules. It has been highlighted that expert systems have not as often been applied in economics as in other disciplines, like medicine or business science. A SWOT analysis for the stated hypothesis was conducted. Based on this qualitative analysis, the hypothesis was not rejected. An expert system for supporting inflation forecasts will be built in the nearer future.
W niniejszym artykule postawiono hipotezę, że system ekspercki może rozszerzyć tradycyjne podejście modelowe w ekonomii, a także, że systemy te z powodzeniem możemy zastosować do problemów ekonomicznych. Zanim przetestowano hipotezę przedstawiono przykłady zastosowań systemu eksperckiego oraz wykazano, w jaki sposób korzysta ów system z bazy wiedzy. System ten w wielu przypadkach opiera się na warunku, „jeżeli A to B”. Zaznaczono także, że stosowanie systemu eksperckiego jest nieporównywalnie mniej popularne w ekonomii niż w medycynie czy w praktyce biznesowej. Przeprowadzono analizę SWOT w celu weryfikacji hipotezy. Wyniki analizy jakościowej nie pozwalają odrzucić hipotezy, system ekspercki pozwala zmniejszyć niepewność zmiennych ekonomicznych, gdy tylko dostarczymy jemu rzetelną bazę wiedzy. System ekspercki także pomógłby w prognozowaniu inflacji, dlatego ciekawym rozwinięciem powyższych rozważań byłaby budowa systemu eksperckiego wspomagająca prognozowanie inflacji.
Źródło:
Zeszyty Studenckie Wydziału Ekonomicznego „Nasze Studia”; 2017, 8; 190-199
1731-6707
Pojawia się w:
Zeszyty Studenckie Wydziału Ekonomicznego „Nasze Studia”
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Statement Networks to Condition Monitoring of the Sealless Pump
Autorzy:
Rzydzik, S.
Amarowicz, M.
Psiuk, K.
Rogala, T.
Powiązania:
https://bibliotekanauki.pl/articles/226493.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
diagnostic model
statement network
multi-layer
expert system
Opis:
This paper shows an application of multi-layer statement networks to condition monitoring of the sealless magnetic drive pump. In this case, statement networks are computed based on the use of Bayesian probabilities. Moreover, the tool called REx which allows implementing such networks is described. An example of created four-layer network as well as final results of the performed tests shows also.
Źródło:
International Journal of Electronics and Telecommunications; 2014, 60, 3; 265-269
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sensitivity analysis of a fuzzy expert system for modelling dependencies in human operators’ emergency tasks
Autorzy:
Zio, E.
Baraldi, P.
Librizzi, M.
Podofillini, L.
Dang, H. V.
Powiązania:
https://bibliotekanauki.pl/articles/2069589.pdf
Data publikacji:
2007
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
human reliability analysis
fuzzy expert system
sensitivity analysis
Opis:
This paper analyzes the behaviour of a fuzzy expert system for evaluating the dependence among successive operator actions, through a sensitivity analysis on the fuzzy input partitioning and assessment. Preliminary results are presented with respect to a case study concerning two successive tasks of an emergency procedure in a nuclear reactor. Work is in progress to perform a thorough sensitivity analysis to generalize the results obtained.
Źródło:
Journal of Polish Safety and Reliability Association; 2007, 2; 379--389
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Knowledge management system for marine diesel engine diagnosis
Autorzy:
Charchalis, A.
Pawletko, R.
Powiązania:
https://bibliotekanauki.pl/articles/242163.pdf
Data publikacji:
2011
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
knowledge management system
diagnostic expert system
marine diesel engine diagnosis
Opis:
The paper presents the conception of knowledge management system for a diagnostic expert system. Development of knowledge management system is necessary during the construction of the expert system. The most important reason is that knowledge in this system is not a static whole, but is subject to dynamic growth, is modified and updated. Advantages afforded by the creation of diagnostic systems based on knowledge, such as expert systems, compared to traditional diagnostic systems based on closed algorithms were characterized. The conception of knowledge management system established in the diagnostic work associated with the development of expert system for marine diesel engine diagnosis. The main elements of the developed management system are: dictionary editor, rule editor, knowledge assessment module and import and export module. Knowledge management system is also equipped with an electronic form that is used to obtain knowledge from experts, specialists in diesel engines operation. The article presents the tasks and the performance of individual components of the system. The knowledge management system enables integration within a single frame of both information collected from experts and automatically collected one. A doubtless advantage of expert system is the opportunity of updating and developing the content recorded in the database. Due to this feature, the effectiveness of the system may grow during engine operation and facilitate gaining new experience.
Źródło:
Journal of KONES; 2011, 18, 2; 77-83
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Expert systems as a tool supporting the assessment of the financial condition of business units
Autorzy:
Olszewska, Kinga
Powiązania:
https://bibliotekanauki.pl/articles/1075627.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
IT management systems
expert system
financial analysis
index analysis
Opis:
The ubiquitousness of information systems means that more and more areas of the company's activity are moving into the virtual sphere. IT systems take over most of the complicated tasks performed by people, which has a positive impact on time and costs incurred for the implementation of these tasks. One of the areas in which IT systems are used is the area of financial management, and thus the management of the financial condition of the unit. This article aims to test the suitability of expert systems as tools that can support the analysis and assessment of the financial condition of business units. The theoretical part discusses the essence of IT systems, theoretical foundations of expert systems and their advantages and disadvantages. The research part shows the use of an expert system to conduct the analysis of the financial condition of selected enterprises based on data from the financial statements of these units from 2015. The expert system provided information on the financial condition of selected companies. These results were compared with the results of the analysis carried out in the traditional way. This confirmed the author's assumption that it is possible to replace the financial analysis carried out with traditional methods by using a properly prepared expert system.
Źródło:
World Scientific News; 2019, 125; 114-126
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improving Dependability of Automation for Free Electron Laser FLASH
Autorzy:
Kosęda, B.
Szmuc, T.
Cichalewski, W.
Powiązania:
https://bibliotekanauki.pl/articles/384861.pdf
Data publikacji:
2009
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
automation
formal methods
model checking
expert system
Prolog
flash
Opis:
Free-electron laser FLASH (260-meter-long machine) is a pilot facility for the forthcoming XFEL (3 km). Along with growth of the experiment, service and maintenance are becoming so complex that certain degree of automation seems to be inevitable. The main purpose of the automation software is to facilitate operators with computer-aided supervision of several hardware/software subsystems. The efforts presented in this contribution concern elaboration of general framework for designing and development of automation software for the FLASH. The toolkit facilitates specification, implementation, testing and formal verification. The ultimate goal of the framework is to systematize the way of automation software development and to improve its dependability. At present usefulness of the tools is being evaluated by testing the automation software for single RF-power station of the FLASH.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 1; 33-39
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aircraft docking guidance system to the gate using fuzzy logic
Autorzy:
Żurawski, P.
Grzesik, N.
Kuźma, K.
Powiązania:
https://bibliotekanauki.pl/articles/243957.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
fuzzy logic
fuzzy expert system
aircraft taxiing
aircraft steering
Opis:
The article presents the concept of automated final process of aircraft taxiing to the gate at the terminal. On the basis of an analysis of the possibilities of aircraft taxiing in civil airports, the authors attempted at optimizing this process. The main objective of the project is to reduce the taxiing time, consequently reducing fuel consumption as well as the rotation time. As a result of the work, the authors designed a controller based on fuzzy logic, which, depending on the initial parameters, calculates the set values for the execution system of aircraft control in the horizontal plane and for the taxi speed. The controller receives two input signals, which determine two output signals. The designed controller allows comprehensive and fully automated aircraft steering. The project relies on data with regard to the apron class D, suited to handle aircraft with a wingspan of up to 52 m and the characteristics of a Boeing 767-200 in speed taxiing and the maximum turn of the nose gear. The measurements of the apron have been adopted in accordance with international regulations in the ICAO DOC 9157 “Aerodrome Design Manual”. The maximum deviation of the nose gear from the centre line was assumed 2.5 m in each direction and a safe distance behind the immobile aircraft equal to 25 m. The length of the Boeing aircraft 767-200 is below 48 m, therefore the input boundary parameters are equal to +/- 2.5 m from the centre line and 80 m from the designated aircraft stand (nose gear). The article presents the project of the controller and its optimization. The authors simulated the controller operation in the package MATLAB “Simulink”. The article ends with data analysis and final conclusions.
Źródło:
Journal of KONES; 2018, 25, 3; 549-556
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Database of expert diagnostic system in the field of turbine blades non-destructive testing
Autorzy:
Borowczyk, H.
Błachnio, J.
Powiązania:
https://bibliotekanauki.pl/articles/246981.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
gas turbine
blade
diagnostics
technical condition
expert system
database
Opis:
The article presents selected problems in the synthesis of the database of expert diagnostic system of gas turbine blades in the field of non-destructive testing. The source of data is optical methods and computed tomography methods. Optical tests can be carried out on the blades of the turbine built in the engine and after their disassembly. Optical tests provide diagnostic information in the form of an image of the blade surface. This makes it possible to identify damage based on changes in the attributes of the image of the blade surface. Computer tomography methods are applied on disassembled blades. Assessment of the technical condition of the blade is made on the basis of individual two-dimensional X-ray scans or on the basis of a three-dimensional image of the blade generated by the computer software from the set of X-ray scans taken during the full angle rotation. The computed tomography data set includes a small number of points on the timeline of operation; hence, the correlation of results with optical methods is difficult. Integration of diagnostic data from two or more sources into one expert system requires standardization of data. One possible approach is the use of multi-valued encoding of 2D and 3D image attributes. In this way a multivalued diagnostic model of the blade is obtained, which can be processed by information theory methods to optimize the set of attributes.
Źródło:
Journal of KONES; 2018, 25, 4; 25-32
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 97

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