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The use of fuzzy numbers in reliability calculations

DSpace at IIT Bombay

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Title The use of fuzzy numbers in reliability calculations
 
Creator VERMA, AK
DEKA, BC
 
Subject uncertainty importance
component-reliability
system components
 
Description In reliability analysis, complexity of data handling arises due to the complexity of systems with large number of electronic components. Due to the sophistication of the devices with Integrated Circuits, there Is a scarcity of failure data to analyze the system and to compare with alternative designs. In this context, for example, we often need to consider failure of components which have never failed before, Fuzzy Arithmetic has the capacity of dealing with such situations. The theory of fuzzy sets has been widely used for providing a mathematical framework to concepts which are imprecise and uncertain. This paper presents a method based on fuzzy arithmetic to calculate reliability of a component or a system considering uncertainty associated with the variables. Distribution parameter uncertainty has been quantified using Fuzzy Number (FN) and reliability Is calculated at the component level. Possibility distribution Is developed for component reliability with fuzzy parameters of well known exponential and Weibull distribution.
 
Publisher INST ELECTRONICS TELECOMMUNICATION ENGINEERS
 
Date 2011-08-03T06:59:29Z
2011-12-26T12:54:05Z
2011-12-27T05:41:26Z
2011-08-03T06:59:29Z
2011-12-26T12:54:05Z
2011-12-27T05:41:26Z
2001
 
Type Article
 
Identifier IETE TECHNICAL REVIEW, 18(1), 27-31
0255-9609
http://dspace.library.iitb.ac.in/xmlui/handle/10054/8936
http://hdl.handle.net/10054/8936
 
Language en