Title:
Automated Response Surface Model Generation with Sequential Design
Author(s):
I. Couckuyt, K. Crombecq, D. Gorissen, T. Dhaene
Source:
International Conference on Soft Computing
Vol./Issue/Date:
Year:
2009
Page(s):
Keywords:
Abstract:
The increasing use of expensive computer simulations in engineering places a serious computational burden on associated optimization problems. Surrogate modelling becomes standard practice in analyzing such expensive blackbox problems. Moreover, surrogate based optimization (SBO) is able to drastically reduce the number of needed function evaluations with respect to traditional
methods. This paper briefly discusses several approaches available which use surrogate models for optimization and highlights one sequential design approach in particular, i.e., expected improvement. Expected improvement is described in detail, along with recent related work. The approach has been implemented in a readily available research platform for surrogate modelling and emonstrated on a concrete application from Electro-Magnetics (EM). The results hold competitive designs and one optimum is even able to outperform the reference optimum obtained using extensive domain specific knowledge
Document:
Reference Id:
607
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