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Multi-objective optimization for safety and reliability trade-off: Optimization and results processing
Linköping University, Department of Management and Engineering. Linköping University, Faculty of Science & Engineering. Saab Dynam, Linkoping, Sweden.
Linköping University, Department of Management and Engineering, Machine Design. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Management and Engineering, Machine Design. Linköping University, Faculty of Science & Engineering.
2018 (English)In: Journal of Risk and Reliability, ISSN 1748-006X, E-ISSN 1748-0078, Vol. 232, no 6, p. 661-676Article in journal (Refereed) Published
Abstract [en]

In early design phases, it is vital to be able to screen the design space for a set of promising design alternatives for further study. This article presents a method able to balance several objectives of different mathematical natures, with high impact on the design choices. The method (MOSART) handles multi-objective optimization for safety and reliability trade-offs. The article focuses on optimization problem approach and processing of results as a base for decision-making. The output of the optimization step is the selection of specific system elements obtaining the best balance between the targets. However, what is a good base for decision can easily transform into too much information and overloading of the decision-maker. To solve this potential issue, from a set of Pareto optimal solutions, a smaller sub-set of selected solutions are visualized and filtered out using preference levels of the objectives, yielding a solid base for decision-making and valuable information on potential solutions. Trends were observed regarding each system element and discussed while processing the results of the analysis, supporting the decision of one final best solution.

Place, publisher, year, edition, pages
SAGE PUBLICATIONS LTD , 2018. Vol. 232, no 6, p. 661-676
Keywords [en]
System reliability; system safety; aircraft design; genetic algorithm; parallel coordinates; trade-off
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:liu:diva-153509DOI: 10.1177/1748006X18757075ISI: 000452280300011OAI: oai:DiVA.org:liu-153509DiVA, id: diva2:1274635
Available from: 2019-01-02 Created: 2019-01-02 Last updated: 2019-01-02

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Johansson, CristinaÖlvander, JohanDerelöv, Micael
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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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