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首页> 外文期刊>International Journal of Production Research >Dynamic models of closed-loop supply chain and robust H_∞ control strategies
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Dynamic models of closed-loop supply chain and robust H_∞ control strategies

机译：闭环供应链的动力学模型和鲁棒H_∞控制策略

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摘要

To meet the current environmental challenges and sustainable development, closed-loop supply chain (CLSC) management has become increasingly important and urgent. In this paper, we mainly consider three uncertainties: (1) uncertainty of time-delay in re-manufacturing and returns, (2) uncertainty of system cost parameters, (3) uncertainty of customers' demand disturbances. Using control theories we dynamically analyse and establish a class of dynamic closed-loop supply chain models of linear discrete time system, including the product return model, the re-manufacturing model and the third party reverse logistic providers (3PRLP) collecting model. Furthermore, we analyse the robust operations in the closed-loop supply chains and bring forward relative strategies with robust H∞ control methods. Finally, according to the practical operations of scrap supply chain in the Chinese steel industry, we carry out some simulation calculations to prove how our proposed robust H_∞ control strategies can restrain all uncertainties of our closed-loop supply chain system. Our analyses and results may be helpful for further insight into closed-loop supply chain uncertain operations and production control, for both theoretical researchers and practitioners, especially for those in the Chinese steel manufacturing industry.
机译：为了应对当前的环境挑战和可持续发展，闭环供应链（CLSC）管理变得越来越重要和紧迫。在本文中，我们主要考虑三个不确定性：（1）再制造和回报中的时延不确定性；（2）系统成本参数的不确定性；（3）客户需求扰动的不确定性。使用控制理论，我们动态分析并建立了一类线性离散时间系统的动态闭环供应链模型，包括产品退货模型，再制造模型和第三方逆向物流提供者（3PRLP）收集模型。此外，我们分析了闭环供应链中的鲁棒运行，并提出了具有鲁棒H∞控制方法的相关策略。最后，根据中国钢铁行业废钢供应链的实际运作情况，我们进行了一些模拟计算，以证明我们提出的鲁棒H_∞控制策略如何能够抑制闭环供应链系统的所有不确定性。我们的分析和结果可能对理论研究人员和从业人员，尤其是中国钢铁制造业的理论研究人员和从业人员，有助于进一步了解闭环供应链不确定性操作和生产控制。

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