A Stepwise uncertainty reduction approach to constrained global optimization

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Victor Picheny ;
Proceedings of the Seventeenth International Conference on Artificial Intelligence and Statistics, PMLR 33:787-795, 2014.

Abstract

Using statistical emulators to guide sequential evaluations of complex computer experiments is now a well-established practice. When a model provides multiple outputs, a typical objective is to optimize one of the outputs with constraints (for instance, a threshold not to exceed) on the values of the other outputs. We propose here a new optimization strategy based on the stepwise uncertainty reduction paradigm, which offers an efficient trade-off between exploration and local search near the boundaries. The strategy is illustrated on numerical examples.

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