Temat: fuzzy tolerance - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A new heuristic algorithm of fuzzy clustering
Autorzy:: Viattchenin, D. A.
Powiązania:: https://bibliotekanauki.pl/articles/970349.pdf
Data publikacji:: 2004
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:: grupowanie rozmyte
przydział
punkt typowy
fuzzy clustering
fuzzy tolerance
fuzzy cluster
membership degree
allotment
typical point
Opis:: This paper deals with a new method of fuzzy clustering. The basic concepts of the method are introduced as resulting from the consideration of the fundamental fuzzy clustering problem. The paper provides the description of the general plan of the algorithm and an illustrative example. An analysis of the experimental results of the method's application to the Anderson's Iris data is carried out. Some preliminary conclusions and the ways of prospective investigations are given.
Źródło:: Control and Cybernetics; 2004, 33, 2; 323-340
0324-8569
Pojawia się w:: Control and Cybernetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A direct algorithm of possibilistic clustering with partial supervision
Autorzy:: Viattchenin, D.
Powiązania:: https://bibliotekanauki.pl/articles/385026.pdf
Data publikacji:: 2007
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: clustering
fuzzy tolerance
fuzzy cluster
membership degree
allotment
typical point
labeled object
and partial supervision
Opis:: Fuzzy clustering plays an important role in intelligent systems design and the respective methods constitute a part of the areas of automation and robotics. This paper describes a modification of a direct algorithm of possibilistic clustering that takes into account the information coming from the labeled objects. The clustering method based on the concept of allotment among fuzzy clusters is the basis of the new algorithm. The paper provides the description of basic ideas of the method and the plan of the basic version of a direct possibilistic-clustering algorithm. A plan of modification of the direct possibilistic-clustering algorithm in the presence of information from labeled objects is proposed. An illustrative example of the method's application to the Sneath and Sokal's two-dimensional data in comparison with the Gaussian-clustering method is carried out. Preliminary conclusions are formulated.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2007, 1, 3; 29-38
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Automatic generation of fuzzy inference systems using heuristic possibilistic clustering
Autorzy:: Viattchenin, D. A.
Powiązania:: https://bibliotekanauki.pl/articles/384377.pdf
Data publikacji:: 2010
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: possibilistic clustering
fuzzy cluster
typical point
tolerance threshold
fuzzy rule
Opis:: The interpretability and flexibility of fuzzy classification rules make them a popular basis for fuzzy controllers. Fuzzy control methods constitute a part of the areas of automation and robotics. The paper deals with the method of extracting fuzzy classification rules based on a heuristic method of possibilistic clustering. The description of basic concepts of the heuristic method of possibilistic clustering based on the allotment concept is provided. A general plan of the D-AFC(c)-algorithm is also given. A method of constructing and tuning of fuzzy rules based on clustering results is proposed. An illustrative example of the method's application to the Anderson's Iris data is carried out. An analysis of the experimental results is given and preliminary conclusions are formulated.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2010, 4, 3; 36-44
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: A self-tuning fuzzy PD controller for a wheeled mobile robot operating in the presence of faults
Autorzy:: Srebro, A.
Powiązania:: https://bibliotekanauki.pl/articles/115515.pdf
Data publikacji:: 2011
Wydawca:: Fundacja na Rzecz Młodych Naukowców
Tematy:: fuzzy controller
mobile robot
nonholonomic system
trajectory tracking
fault tolerance
Opis:: This paper presents a self-tuning fuzzy PD controller designed to improve a control strategy for a wheeled mobile robot. The dynamic model of a two-wheeled mobile robot was implemented in Matlab/Simulink environment. In this paper the trajectory tracking problem for a mobile robot in the presence of positioning system faults is considered in detail. Mamdani fuzzy reasoning is used to tune the value of proportional gain Kp and derivative gain Kd of a PD controller. A few simulations comparing the classical PD controller with self-tuning fuzzy PD are reported to show advantage of the designed self-tuning controller.
Źródło:: Challenges of Modern Technology; 2011, 2, 4; 11-20
2082-2863
2353-4419
Pojawia się w:: Challenges of Modern Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Fuzzy programming for multi-choice bilevel transportation problem
Autorzy:: Arora, Ritu
Gupta, Kavita
Powiązania:: https://bibliotekanauki.pl/articles/2100292.pdf
Data publikacji:: 2021
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: bilevel programming
transportation problem
fuzzy programming
goal programming
tolerance limit
satisfactory solution
Opis:: Multi-choice programming problems arise due to the diverse needs of people. In this paper, multichoice optimization has been applied to the bilevel transportation problem. This problem deals with transportation at both the levels, upper as well as lower. There are multiple choices for demand and supply parameters. The multi-choice parameters at the respective levels are converted into polynomials which transmute the defined problem into a mixed integer programming problem. The objective of the paper is to determine a solution methodology for the transformed problem. The significance of the formulated model is exhibited through an example by applying it to the hotel industry. The fuzzy programming approach is employed to obtain a satisfactory solution for the decision-makers at the two levels. A comparative analysis is presented in the paper by solving the bilevel multi-choice transportation problem with goal programming mode as well as by the linear transformation technique. The example is solved using computing software.
Źródło:: Operations Research and Decisions; 2021, 31, 3; 5--21
2081-8858
2391-6060
Pojawia się w:: Operations Research and Decisions
Dostawca treści:: Biblioteka Nauki

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