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Fuzzy Multi-Objective Optimization for Die Structures Design in Sheet Metal Forming

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Abstract:

Abstract: Finite element analysis and fuzzy multi-objective optimization technique have been integrated to solve the die structure design of sheet metal forming by transforming fuzzy multi-objective problem into a normal optimization problem. A mathematical model of fuzzy optimization for bending die was established. A fuzzy goal set was constructed. The fuzziness of multi-objective functions and constraints were defined. The optimal solution and optimal constraint value of individual objective function in the feasible field were found using the genetic algorithms. An electronic part bending case shows that this approach is more effective and accurate than traditional finite element analysis method and the ‘trial and error’ procedure.

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Periodical:

Advanced Materials Research (Volumes 538-541)

Pages:

2712-2717

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.538-541.2712

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Cite this paper

Online since:

June 2012

Authors:

Qi Xin Sun, Ping Yuan Xi, Ren Jian Zhang

Keywords:

Bending Die, Finite Element Analysis (FEA), Fuzzy Multi-Objective Optimization, Genetic Algorithm (GA)

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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