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http://dx.doi.org/10.3795/KSME-A.2011.35.10.1323

Tolerance Optimization of Lower Arm Used in Automobile Parts Considering Six Sigma Constraints  

Lee, Kwang-Ki (VP Korea)
Han, Seung-Ho (Dept. of Mechanical Engineering, Dong A Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.35, no.10, 2011 , pp. 1323-1328 More about this Journal
Abstract
In the current design process for the lower arm used in automobile parts, an optimal solution of its various design variables should be found through exploration of the design space approximated using the response surface model formulated with a first- or second-order polynomial equation. In this study, a multi-level computational DOE (design of experiment) was carried out to explore the design space showing nonlinear behavior, in terms of factors such as the total weight and applied stress of the lower arm, where a fractional-factorial orthogonal array based on the artificial neural network model was introduced. In addition, the tolerance robustness of the optimal solution was estimated using a tolerance optimization with six sigma constraints, taking into account the tolerances occurring in the design variables.
Keywords
Six Sigma; Lower Arm; Computational Orthogonal Array; Kriging Model; Tolerance Optimization;
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Times Cited By KSCI : 5  (Citation Analysis)
Times Cited By SCOPUS : 0
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