Abstract
Loss function approach is effective for multi-response optimization. However, previous loss function approach ignore model uncertainty and decision-makers’ regret effect when determining the optimal input settings. In this paper, an overall loss function is proposed to optimize correlated multiple responses via confidence intervals, and we refer to the idea of worst case strategy used in decision theory to incorporate model uncertainty and decision makers’ regret effect into the loss function. The new loss function is composed of three sub-functions: expect performance, robustness performance, and regret performance, through which model uncertainty and regret effect are quantified. It is found that the traditional loss function will be a special case of the proposed approach if engineers could collect sufficient experimental data to estimate model parameters. An example is employed to illustrate the effectiveness of the proposed approach. The results show that the proposed approach can achieve reliable optimal operating conditions in comparison with those of traditional loss function approach.
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Acknowledgments
This work was partially supported by the National Natural Science Foundation of China under grant Nos. 71371099 and 71211140350, and colleges and universities in Jiangsu Province plans to graduate research and innovation projects (CXZZ13_0226), which are gratefully acknowledged by the authors.
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Ouyang, Lh., Ma, Yz., Huang, Tt., Wang, Jj. (2015). Optimization of Multiple Responses Considering both Model Uncertainty and Regret Effect. In: Qi, E., Su, Q., Shen, J., Wu, F., Dou, R. (eds) Proceedings of the 5th International Asia Conference on Industrial Engineering and Management Innovation (IEMI2014). Proceedings of the International Asia Conference on Industrial Engineering and Management Innovation, vol 1. Atlantis Press, Paris. https://doi.org/10.2991/978-94-6239-100-0_14
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DOI: https://doi.org/10.2991/978-94-6239-100-0_14
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