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Chinese Journal of Management Science ›› 2026, Vol. 34 ›› Issue (6): 171-186.doi: 10.16381/j.cnki.issn1003-207x.2024.1370

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An Online Quality Design Method Using Active Learning-Based Stochastic Kriging Model

Chen Du1, Chenglong Lin1,2, Yuwei Shi1, Yizhong Ma1()   

  1. 1.School of Economics and Management,Nanjing University of Science and Technology,Nanjing 210094,China
    2.School of Management Science and Engineering,Anhui University of Technology,Maanshan 243032,China
  • Received:2024-08-13 Revised:2025-01-18 Online:2026-06-25 Published:2026-05-22
  • Contact: Yizhong Ma E-mail:yzma-2004@163.com

Abstract:

To address the low robustness of quality characteristics caused by unknown random noise, an online quality design method based on the active learning stochastic Kriging model is proposed. The online quality design method uses the active learning characteristic to select new sample points through the expected improvement criterion formulated under noisy response, then updates the model to improve prediction accuracy. The stochastic Kriging model is first constructed based on the initial design in the implementation process, then updated using active learning method, and finally, quality design is achieved through the expected quality loss function model. Numerical examples and simulation results demonstrated that the proposed method can obtain more accurate response surface model compared with methods using the ordinary Kriging model and offline stochastic Kriging. The proposed method can filter the noise and get more robust parameter design solutions with the same computation resources by utilizing the expected quality loss function model. Lastly, a quality cost evaluation method is proposed from an economic perspective, which evaluates the parameters of the design solutions obtained based on historical production data, providing managers with valuable information for decision-making.

Key words: robust parameter design, stochastic Kriging model, active learning, online quality design, quality cost

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