Extreme gradient boosting-inspired process optimization algorithm for manufacturing engineering applications

Seungro Lee, Joonhee Park, Naksoo Kim, Taeyong Lee, Luca Quagliato

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Design and process optimization are key aspects of manufacturing engineering. This contribution details a machine learning (ML) methodology capable of learning from simulation results, experimental data, or sensor signals, and able to predict and optimize specific user-defined process and design parameters. The prediction-optimization algorithm is based on an enhanced Extreme Gradient Boosting (XGB) algorithm, highly responsive and accurate even for large datasets and complex variable interactions. Once the XGB function is trained, the optimization is carried out by a metaheuristic search algorithm defined according to the Differential Evolution (DE) architecture, allowing for the definition of the combination of independent variables that grant the minimization, or maximization, of the user's defined objective function. The prediction and optimization capabilities have been assessed by applying the XGB-DE algorithm to a previously published authors' dataset and experimental results relevant for the radial-axial ring rolling (RARR) process, showing a prediction accuracy and optimization capability equal to 2.33% and 27.4%, respectively, with respect to authors’ previous finite element and experimental results. The XGB-DE methodology showed a remarkable capability in catching the trend and global minimum of a multi-variable and complex objective function, such as the one involved in complex thermo-mechanical forming processes.

Original languageEnglish
Article number111625
JournalMaterials and Design
Volume226
DOIs
StatePublished - Feb 2023

Bibliographical note

Publisher Copyright:
© 2023 The Author(s)

Keywords

  • Design optimization
  • Differential evolution
  • Extreme gradient boosting
  • Machine learning
  • Process optimization

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