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http://dx.doi.org/10.3795/KSME-A.2003.27.6.1041

Design Optimization Using the Two-Point Convex Approximation  

Kim, Jong-Rip (한양대학교 대학원, 기계설계학과)
Choi, Dong-Hoon (한양대학교, 최적설계신기술연구센터)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.27, no.6, 2003 , pp. 1041-1049 More about this Journal
Abstract
In this paper, a new local two-point approximation method which is based on the exponential intervening variable is proposed. This new algorithm, called the Two-Point Convex Approximation(TPCA), use the function and design sensitivity information from the current and previous design points of the sequential approximate optimization to generate a sequence of convex, separable subproblems. This paper describes the derivation of the parameters associated with the approximation and the numerical solution procedure. In order to show the numerical performance of the proposed method, a sequential approximate optimizer is developed and applied to solve several typical design problems. These optimization results are compared with those of other optimizers. Numerical results obtained from the test examples demonstrate the effectiveness of the proposed method.
Keywords
Two-Point Approximation; Two-Point Convex Approximation; Sequential Approximate Optimization;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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