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Reliability calculations for complex systems
Linköping University, Department of Electrical Engineering, Automatic Control.
Linköping University, Department of Electrical Engineering, Automatic Control.
2011 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Tillförlitlighetsberäkningar för komplexa system (Swedish)
Abstract [en]

Functionality for efficient computation of properties of system lifetimes was developed, based on the Mathematica framework. The model of these systems consists of a system structure and the components independent lifetime distributions. The components are assumed to be non-repairable. In this work a very general implementation was created, allowing a large number of lifetime distributions from Mathematica for all the component distributions. All system structures with a monotone increasing structure function can be used. Special effort has been made to compute fast results when using the exponential distribution for component distributions. Standby systems have also been modeled in similar generality. Both warm and cold standby components are supported. During development, a large collection of examples were also used to test functionality and efficiency. A number of these examples are presented. The implementation was evaluated on large real world system examples, and was found to be efficient. New results are presented for standby systems, especially for the case of mixed warm and cold standby components. 

Place, publisher, year, edition, pages
2011. , p. 127
Keywords [en]
reliability, Mathematica, statistics, distributions, standby
Keywords [sv]
tillförlitlighet, Mathematica, statistik, distributioner, standby
National Category
Probability Theory and Statistics Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-69952ISRN: LiTH-ISY-EX--11/4441--SEOAI: oai:DiVA.org:liu-69952DiVA, id: diva2:433387
Subject / course
Automatic Control
Presentation
2011-05-31, Glashuset, Linköpings Universitet, Linköping, 10:15 (English)
Uppsok
Physics, Chemistry, Mathematics
Supervisors
Examiners
Available from: 2011-08-11 Created: 2011-08-09 Last updated: 2011-08-11Bibliographically approved

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fulltext(2011 kB)25495 downloads
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a4c49aaaef714f382f2675731559bba60355555564541eb1379cbbcdf6396cc85eb472962ae9476ff496d0250a35f19a483bb11fad6551ec97ebd9f38d84769a
Type fulltextMimetype application/pdf

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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