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Tolerance Specification Optimization for Economic and Ecological Sustainability

Steven Hoffenson (Institutionen för produkt- och produktionsutveckling, Produktutveckling) ; Andreas Dagman (Institutionen för produkt- och produktionsutveckling, Produktutveckling) ; Rikard Söderberg (Institutionen för produkt- och produktionsutveckling, Produktutveckling)
23rd CIRP Design Conference (2013)
[Konferensbidrag, refereegranskat]

In the final stages of product development, dimensional tolerances are specified by designers to ensure high functionality at low costs. A traditional approach to this decision-making process is to minimize economic losses to the manufacturer and the consumer. This paper presents a new approach for tolerance allocation optimization that considers sustainability not only from economic costs but also ecological costs. The framework is formulated as a multi-objective optimization problem and explored with a case study on the design of an automotive body panel. Results of the case study include Pareto frontiers of non-dominated optimal solutions along with a parametric study to explore the influence of material choice on the results.

Nyckelord: tolerance allocation, variation propagation, sustainability, cost minimization, multi-objective optimization



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Denna post skapades 2013-01-21. Senast ändrad 2013-01-23.
CPL Pubid: 171883

 

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