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How Recycled Grade is Economical? An Application of MILP and Evolutionary Algorithms in Intermodal Networks Under Uncertain Demand
Networks and Spatial Economics ( IF 2.4 ) Pub Date : 2024-01-04 , DOI: 10.1007/s11067-023-09613-z
Rizwan Shoukat

This study seeks to plan and evaluate the cost of the logistics in manufacturing tetra duplex board using prime grade and recycled materials. The real-world data for this study is obtained from one of the largest paper and board industries in Asia. The bi-objective problem is formulated by developing a mixed integer linear programming (MILP) model considering the constraints related to raw material supplies, processing, and storage. The metaheuristic optimization techniques are applied based on the concept of epsilon dominance to balance the conflicting objectives to counter the complex problem in the real world of transportation for the ease of the decision-makers to make the best-informed decisions in the selection of raw material. The investigation results indicate that the cost of prime-grade material in the tetra duplex board supply chain is 71 percent higher than recycled fiber. Furthermore, this study can be extended by evaluating the environmental aspects of prime and recycled-grade transportation. Moreover, the logistics of the prime grade can further be narrowed down by investigating it in various modes of transportation such as highways, waterways, rail, and air.



中文翻译:

再生品位如何经济?MILP和进化算法在需求不确定下多式联运网络中的应用

本研究旨在规划和评估使用优质材料和回收材料制造四双工板的物流成本。本研究的真实数据来自亚洲最大的纸和纸板行业之一。双目标问题是通过开发混合整数线性规划 (MILP) 模型来制定的,该模型考虑了与原材料供应、加工和存储相关的约束。基于 epsilon 优势的概念应用元启发式优化技术来平衡相互冲突的目标,以应对现实运输世界中的复杂问题,以便决策者在选择原材料时做出最明智的决策。调查结果表明,四双板供应链中优质材料的成本比再生纤维高出 71%。此外,这项研究还可以通过评估优质和回收级运输的环境影响来扩展。此外,还可通过公路、水路、铁路、航空等多种运输方式考察优质品物流范围。

更新日期:2024-01-05
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