Response surface methodology: A neural network approach

Response surface methodology: A neural network approach

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Article ID: iaor19991967
Country: Netherlands
Volume: 101
Issue: 1
Start Page Number: 65
End Page Number: 73
Publication Date: Aug 1997
Journal: European Journal of Operational Research
Authors: , ,
Keywords: optimization
Abstract:

Response surface methodology is used to optimize the parameters of a process when the function that describes it is unknown. The procedure involves fitting a function to the given data and then using optimization techniques to obtain the optimal parameters. This procedure is usually difficult due to the fact that obtaining the right model may not be possible or at best very time consuming. In this paper, a two-stage procedure for obtaining the best parameters for a process with an unknown model is developed. The procedure is based on implementing response surface methodology via neural networks. Two neural networks are trained: one for the unknown function and the other for derivatives of this function which are computed using the first neural network. These neural networks are then used iteratively to compute parameters for an equation which is ultimately used for optimizing the function. Results of some simulation studies are also presented.

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