An efficient algorithm for constructing optimal design of computer experiments |
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Institution: | 1. School of Aeronautics, Northwestern Polytechnical University, Xi''an, 710072, P. R. China;1. LCFC, Arts et Métiers–ParisTech, Université de Lorraine, F-57000 Metz, France |
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Abstract: | The long computational time required in constructing optimal designs for computer experiments has limited their uses in practice. In this paper, a new algorithm for constructing optimal experimental designs is developed. There are two major developments involved in this work. One is on developing an efficient global optimal search algorithm, named as enhanced stochastic evolutionary (ESE) algorithm. The other is on developing efficient methods for evaluating optimality criteria. The proposed algorithm is compared to existing techniques and found to be much more efficient in terms of the computation time, the number of exchanges needed for generating new designs, and the achieved optimality criteria. The algorithm is also very flexible to construct various classes of optimal designs to retain certain desired structural properties. |
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