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Robust optimization for engineering design

机译:工程设计的强大优化

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摘要

This study proposes a robust optimization model to handle uncertainty during the process design stage, together with a decision-making procedure. Different robustness concepts are presented to describe the characteristic, either economic or technical, of a given variable in the model. Among economic robustness measures, partial mean of costs is analysed to address its intrinsic problem of excessive variability of performance with respect to the change of values in its parameters. To resolve it, a novel formulation of robust economic optimization is derived, providing a conceptual framework for suggesting a proper range of parameter values. Then, the model is further extended to consider technical robustness as well. Lastly, the decision-making procedure is presented using the proposed nadir vector which is computationally inexpensive and also useful in selecting a final solution. The applicability of the model was successfully demonstrated by applying it to process design examples.
机译:这项研究提出了一个鲁棒的优化模型,以处理过程设计阶段的不确定性以及决策程序。提出了不同的鲁棒性概念来描述模型中给定变量的经济或技术特征。在经济稳健性措施中,分析了成本的部分均值以解决其内在的问题,即其参数值的变化会导致性能过度变化。为了解决这个问题,派生了一种新颖的稳健经济优化方法,为提出合适的参数值范围提供了概念框架。然后,进一步扩展该模型以考虑技术稳健性。最后,使用拟议的最低点向量提出了决策程序,该向量在计算上不昂贵,并且在选择最终解决方案时也很有用。该模型的适用性已通过将其应用于过程设计实例而得到了成功证明。

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  • 来源
    《Engineering Optimization》 |2012年第2期|p.175-194|共20页
  • 作者

    Jin-Su Kang;

  • 作者单位

    Institute of Business and Management, National Chiao Tung University, 118 Chung-Hsiao West Road, Section 1, Taipei City, 100, Taiwan;

    Department of Chemical Engineering, Hongik University, 72-1 Sangsu-Dong, Mapo-gu, Seoul, 121-791, Korea;

    Department of;

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