Temat: Fuzzy sets - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Fuzzy logic in indoor position determination system
Autorzy:: Socha, M.
Górka, W.
Kostorz, I.
Powiązania:: https://bibliotekanauki.pl/articles/375840.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: WiFi
indoor location
fuzzy sets
Opis:: The article outlines how to use the convergence of collections to determine the position of a mobile device based on the WiFi radio signal strength with the use of fuzzy sets. The main aim is the development of the method for indoor position determination based on existing WiFi network infrastructure indoors. The approach is based on the WiFi radio infrastructure existing inside the buildings and requires operating mobile devices such as smartphones or tablets. An SQL database engine is also necessary as a widespread data interface. The SQL approach is not limited to the determination of the position but also to the creation of maps in which the system dening the position of the mobile device will operate. In addition, implementation issues are presented along with the distribution of the burden of performing calculations and the benets of such an approach for determining the location. The authors describe how to decompose the task of determining the position in a client-server architecture.
Źródło:: Theoretical and Applied Informatics; 2015, 27, 2; 1-15
1896-5334
Pojawia się w:: Theoretical and Applied Informatics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Justification of RFID implementation. A case study of white goods manufacturer
Autorzy:: Gladysz, B.
Nalepa, K.
Santarek, K.
Powiązania:: https://bibliotekanauki.pl/articles/407105.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: technology assessment
RFID
SCOR
TOPSIS
fuzzy sets
Opis:: Radio Frequency Identification (RFID) is a rapidly emerging technology with a wide range of impact and still not fully exploited potential applications. The impact of RFID is not limited to the area of its direct application. There are many possible benefits to be gained from RFID application, but it must be preceded with careful analysis as its implementation is not always reasonable. A new method for an assessment of RFID technology was presented and explained on the case of a white goods manufacturer. There was a lack of such a method allowing for relatively quick and flexible assessment, which is important for decision makers, who do not want to become involved in very sophisticated and time-consuming analysis at the early stage of decision making. The method supports early phases of decision making related to RFID implementation. Conclusions derived from the analysis of the case study confirmed that the method applied allows for rationalizing decision making and answers whether RFID could generate strategic advantage, in which area RFID should be applied, how RFIDsupported processes will be executed and what benefits would be expected. previous papers focused only on answering specific questions from the above list, without showing a holistic approach. the approach to answer questions about execution of processes and benefits was not considered earlier at all. The paper illustrates details of using a new method of an assessment of RFID technology (ART) using a real industrial example.
Źródło:: Management and Production Engineering Review; 2017, 8, 4; 91-104
2080-8208
2082-1344
Pojawia się w:: Management and Production Engineering Review
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Qualitative description of metal ore deposits parameters based on selected fuzzy logic operators on the example of a KGHM Polish Copper S.A. copper-silver mine
Jakościowy opis parametrów złoża rud metali w oparciu o wybrane operatory logiczne zbiorów rozmytych na przykładzie kopalni rud miedziowo-srebrowych w KGHM „Polska Miedź” S.A.
Autorzy:: Krzak, Mariusz
Panajew, Paweł
Powiązania:: https://bibliotekanauki.pl/articles/219818.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: ruda miedzi
jakość złoża
zbiory rozmyte
operator logiczny
ore deposit parameters
mineral deposit management
fuzzy sets
logical operators
Opis:: The basis for a mineral deposit delimitation is a qualitative and quantitative assessment of deposit parameters, qualifying a deposit as an economically valuable object. A conventional approach to the mineral deposit recognition and a deposit detailed parameters qualification in the initial stages of develop-ment work in the KGHM were presented in the paper. The goals of such recognition were defined, which through a gradual detailed expansion, resulting from the information inflow, allows for the construction of a more complete decision-making model. The description of the deposit parameters proposed in the article in the context of fuzzy logic, enables a presentation of imprecise statements and data, which may be a complement to a traditional description. Selected non-adjustable and adjustable s-norm and t-norm operators were demonstrated. Operators effects were tested for selected ore quality parameters (copper content and deposit thickness) by constructing adequate membership functions. In a practical application, the use of chosen fuzzy logic operators is proposed for the assessment of the qualitative parameters of copper-silver ore in the exploitation blocks for one of the mines belonging to KGHM Polish Copper S.A. The considerations have been extended by including the possibility of using compensation operators.
Podstawą delimitowania złoża jest ocena parametrów jakościowych oraz ilościowych, kwalifikująca twór przyrodniczy jako obiekt o znaczeniu gospodarczym. W artykule przybliżono konwencjonalne podejście do rozpoznania serii złożowej i szczegółowych parametrów złoża, realizowane w kopalniach KGHM Polska Miedź S.A. w trakcie wykonywania tzw. robót przygotowawczych. Określono celowośćtakiego rozpoznania, które poprzez stopniowe uszczegółowianie, wynikające z napływu informacji, pozwala na konstrukcję bardziej kompletnego modelu decyzyjnego. Dopełnieniem tego tradycyjnego opisu może być zaproponowana w artykule deskrypcja parametrów złoża w ujęciu logiki rozmytej, umożliwiająca przedstawienie nieprecyzyjnych stwierdzeń i danych. Zademonstrowano wykorzystanie nastawialnych i nienastawialnych operatorów mnogościowych s-normy i t-normy a działanie operatorów przetestowano dla wybranych parametrów jakościowych rudy (zawartości miedzi oraz miąższości złoża) konstruując adekwatne funkcje przynależności. W praktycznym zastosowaniu przetestowano wybrane operatory logiki rozmytej do oceny parametrów jakościowych złoża rud miedziowo-srebrowych w blokach eksploatacyjnych dla jednej z kopalń KGHM Polska Miedź S.A. Rozważania poszerzono o możliwośćzastosowania operatorów kompensacyjnych.
Źródło:: Archives of Mining Sciences; 2019, 64, 2; 261-277
0860-7001
Pojawia się w:: Archives of Mining Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Multi-attribute decision-making based on q-rung dual hesitant power dual Maclaurin symmetric mean operator and a new ranking method
Autorzy:: Li, Li
Wang, Jun
Ji, Chunliang
Powiązania:: https://bibliotekanauki.pl/articles/2175106.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: q-rung dual hesitant fuzzy sets
power geometric
dual Maclaurin symmetric mean
power dual Maclaurin symmetric mean
multi-attribute decision-making
Opis:: The ability of q-rung dual hesitant fuzzy sets (q-RDHFSs) in dealing with decision makers’ fuzzy evaluation information has received much attention. This main aim of this paper is to propose new aggregation operators of q-rung dual hesitant fuzzy elements and employ them in multi-attribute decision making (MADM). In order to do this, we first propose the power dual Maclaurin symmetric mean (PDMSM) operator by integrating the power geometric (PG) operator and the dual Maclaurin symmetric mean (DMSM). The PG operator can reduce or eliminate the negative influence of decision makers’ extreme evaluation values, making the final decision results more reasonable. The DMSM captures the interrelationship among multiple attributes. The PDMSM takes the advantages of both PG and DMSM and hence it is suitable and powerful to fuse decision information. Further, we extend the PDMSM operator to q-RDHFSs and propose q-rung dual hesitant fuzzy PDMSM operator and its weighted form. Properties of these operators are investigated. Afterwards, a new MADM method under q-RDHFSs is proposed on the basis on the new operators. Finally, the effectiveness of the new method is testified through numerical examples.
Źródło:: Archives of Control Sciences; 2022, 32, 3; 627--658
1230-2384
Pojawia się w:: Archives of Control Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Dual hesitant Pythagorean fuzzy Bonferroni mean operators in multi-attribute decision making
Autorzy:: Tang, Xiyue
Wei, Guiwu
Powiązania:: https://bibliotekanauki.pl/articles/229277.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: multiple attribute decision making
MADM
dual hesitant Pythagorean fuzzy sets
dual hesitant Pythagorean fuzzy Bonferroni mean operator
DHPFBM
dual hesitant Pythagorean fuzzy geometric Bonferroni mean operator
DHPFGBM
supplier selection
supply chain management
Opis:: In this paper, we investigate the multiple attribute decision making problems based on the Bonferroni mean operators with dual Pythagorean hesitant fuzzy information. Firstly, we introduce the concept and basic operations of the dual hesitant Pythagorean fuzzy sets, which is a new extension of Pythagorean fuzzy sets. Then, motivated by the idea of Bonferroni mean operators, we have developed some Bonferroni mean aggregation operators for aggregating dual hesitant Pythagorean fuzzy information. The prominent characteristic of these proposed operators are studied. Then, we have utilized these operators to develop some approaches to solve the dual hesitant Pythagorean fuzzy multiple attribute decision making problems. Finally, a practical example for supplier selection in supply chain management is given to verify the developed approach and to demonstrate its practicality and effectiveness.
Źródło:: Archives of Control Sciences; 2019, 29, 2; 339-386
1230-2384
Pojawia się w:: Archives of Control Sciences
Dostawca treści:: Biblioteka Nauki

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