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A linguistic approach to concurrent design
Department of Mathematics and Statistics, University of Calgary.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Space Technology.
2015 (English)In: Journal of Intelligent & Fuzzy Systems, ISSN 1064-1246, E-ISSN 1875-8967, Vol. 28, no 5, 1985-2001 p.Article in journal (Refereed) Published
Abstract [en]

This paper outlines a concurrent design methodology for multidisciplinary systems, which employs tools of fuzzy theory for the tradeoff in the design space. This methodology enhances communication between designers from various disciplines through introducing the universal notion of satisfaction and expressing the behaviour of multidisciplinary systems using the notion of energy. It employs fuzzy rule-bases, membership functions and parametric connectives in fuzzy logic to formalize subjective aspects of design, resulting in a two-phase simplification of the multi-objective constrained optimization of a design process. The methodology attempts to find a pareto-optimal solution for the design problem. In the primary phase of the methodology, a fuzzy-logic model is utilized to identify a region in the design space that contains the pareto-optimal design state, and a proper initial state is suggested for the optimization in the secondary phase, where the pareto-optimal solution is found. Finally, the impact of the designer's subjective attitude on the design is adjusted based on a system performance by utilizing an energy-based model of multidisciplinary systems. As an application, it is shown that the design of a five-degree-of-freedom industrial robot manipulator can be enhanced by using the methodology.

Place, publisher, year, edition, pages
2015. Vol. 28, no 5, 1985-2001 p.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Onboard space systems
Identifiers
URN: urn:nbn:se:ltu:diva-4560DOI: 10.3233/IFS-141321Local ID: 283fd0d3-2cc0-4a33-9c6d-dd5237ed249fOAI: oai:DiVA.org:ltu-4560DiVA: diva2:977434
Note
Validerad; 2015; Nivå 2; 20150206 (ninhul)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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  • nn-NO
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Output format
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