期刊
ENGINEERING OPTIMIZATION
卷 53, 期 10, 页码 1772-1785出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/0305215X.2020.1826466
关键词
Hybrid surrogate; meta-modelling; DYCORS; experimental optimization; radial basis function
资金
- New Harvest Inc. [A19-4213]
- Ernest Gallo Endowed Chair in Viticulture and Enology
The study introduced a hybrid surrogate framework combining radial basis function/genetic algorithm, which showed at least as good performance as its constituent algorithms in high-dimensional test functions, making it practical for various optimization design problems. Experiments demonstrated that the framework could be further enhanced for processes with simulated noise.
Experimental optimization of physical and biological processes is a difficult task. To address this, sequential surrogate models combined with search algorithms have been employed to solve nonlinear high-dimensional design problems with expensive objective function evaluations. In this article, a hybrid surrogate framework was built to learn the optimal parameters of a diverse set of simulated design problems meant to represent real-world physical and biological processes in both dimensionality and nonlinearity. The framework uses a hybrid radial basis function/genetic algorithm with dynamic coordinate search response, utilizing the strengths of both algorithms. The new hybrid method performs at least as well as its constituent algorithms in 19 of 20 high-dimensional test functions, making it a very practical surrogate framework for a wide variety of optimization design problems. Experiments also show that the hybrid framework can be improved even more when optimizing processes with simulated noise.
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