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First published June 2000

Nonlinear continuum regression: an evolutionary approach

Abstract

In this contribution, genetic programming is combined with continuum regression to produce two novel nonlinear continuum regression algorithms. The first is a ‘sequential’ algorithm while the second adopts a ‘team-based’ strategy. Having discussed continuum regression, the modifications required to extend the algorithm for nonlinear modelling are outlined. The results of two case studies are then presented: the development of an inferential model of a food extrusion process and an input-output model of an industrial bioreactor. The superior performance of the sequential continuum regression algorithm, as compared to a similar sequential nonlinear partial least squares algorithm, is demonstrated. In addition, the studies clearly demonstrate that the team-based continuum regression strategy significantly outperforms both sequential approaches.

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References

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Published In

Article first published: June 2000
Issue published: June 2000

Keywords

  1. co-evolution
  2. continuum regression
  3. genetic programming
  4. process modelling

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Authors

Affiliations

Ben McKay
Ben McKay is now at GSE Systems UK, Hexham, UK
Mark J. Willis
Department of Chemical & Processs Engineering, Advanced Process Control Group, University of Newcastle, Newcastle NE1 7RU, UK, [email protected]
Dominic P. Searson
Department of Chemical & Processs Engineering, Advanced Process Control Group, University of Newcastle, Newcastle NE1 7RU, UK
Gary A. Montague
Department of Chemical & Processs Engineering, Advanced Process Control Group, University of Newcastle, Newcastle NE1 7RU, UK

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